diff --git a/.gitignore b/.gitignore index 1b331803ad1867632cd8f88fe002318d68540acd..9f9389547cddb05bfce3083b9f1c7de8bcf828ab 100644 --- a/.gitignore +++ b/.gitignore @@ -3,7 +3,6 @@ /node_modules /.project /.settings -/www/css /www/less/lib /www/wdn /.buildpath diff --git a/Gruntfile.js b/Gruntfile.js index c47d7b6ba9cb3eb45463c9ec576d534b4960cea0..d95f625764232a569f0d49155e171f44e7337de7 100644 --- a/Gruntfile.js +++ b/Gruntfile.js @@ -6,7 +6,6 @@ module.exports = function (grunt) { var lessDir = 'www/less'; var lessVendorDir = lessDir + '/lib'; var sassDir = 'www/scss'; -// var sassVendorDir = sassDir + '/mixins'; var cssDir = 'www/css'; var jsDir = 'www/js'; @@ -17,6 +16,7 @@ module.exports = function (grunt) { var jsFiles = [ jsDir + '/search.js', + jsDir + '/search-tabs.js' ]; //TODO Update or remove for 5.0? @@ -30,18 +30,6 @@ module.exports = function (grunt) { return fs.existsSync(lessVendorDir + '/' + value); }); -// TODO: Import DCF and UNLedu 5.0 mixins and variables -// var dcfMixinLibBaseUrl = 'https://raw.githubusercontent.com/d-c-n/dcf/master/assets/dist/scss/mixins/'; -// var dcfMixins = [ -// '_mixins.backgrounds.scss', -// '_mixins.margins.scss', -// '_mixins.padding.scss', -// '_mixins.typography.scss' -// ]; -// var allMixinsExist = every(dcfMixins, function(value) { -// return fs.existsSync(sassVendorDir + '/' + value); -// }); - var lessFiles = {}; cssFiles.forEach(function(file) { lessFiles[cssDir + '/' + file + '.css'] = lessDir + '/' + file + '.less'; @@ -53,7 +41,8 @@ module.exports = function (grunt) { }); var builtJsFiles = {}; - builtJsFiles[jsDir + '/search.min.js'] = jsFiles; + builtJsFiles[jsDir + '/search.min.js'] = jsDir + '/search.js'; + builtJsFiles[jsDir + '/search-tabs.min.js'] = jsDir + '/search-tabs.js'; var autoprefixPlugin = new (require('less-plugin-autoprefix'))({browsers: ["last 2 versions"]}); var cleanCssPlugin = new (require('less-plugin-clean-css'))(); @@ -70,13 +59,6 @@ module.exports = function (grunt) { }), dest: lessVendorDir } -// 'dcf-mixins': { -// src: dcfMixins.map(function(file) { -// return dcfMixinLibBaseUrl + file; -// }), -// dest: sassVendorDir -// } - // TODO: add UNLedu 5.0 mixins }, less: { @@ -98,9 +80,6 @@ module.exports = function (grunt) { options: { implementation: sass, sourceMap: true -// includePaths: [ -// __dirname+'/node_modules/modularscale-sass/stylesheets' -// ] } }, }, @@ -159,7 +138,6 @@ module.exports = function (grunt) { clean: { lessCss: Object.keys(lessFiles).concat(lessVendorDir), -// css: Object.keys(sassFiles).concat(sassVendorDir), sassCss: Object.keys(sassFiles), js: Object.keys(builtJsFiles).concat(jsDir + '/**/*.map') }, diff --git a/www/css/search-5.0.css b/www/css/search-5.0.css new file mode 100644 index 0000000000000000000000000000000000000000..afa4fe8f641f47c7125c0552b7089e7d95cf850b --- /dev/null +++ b/www/css/search-5.0.css @@ -0,0 +1,2 @@ +#wdn_search,.embed 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*/ \ No newline at end of file diff --git a/www/index.php b/www/index.php index 85b18bf675ff593a89e103522596aee7b79b55f0..71f9d78a4e50f777f69ae2efd9c25707a5c4fda7 100644 --- a/www/index.php +++ b/www/index.php @@ -1,5 +1,5 @@ <?php - +$cacheVersion = date('Ymd'); $search_engine_id = '015236299699564929946:nk1siew10ie'; $config_file = __DIR__ . '/../config.sample.php'; @@ -26,13 +26,6 @@ function loadDefaultSections($page) $page->affiliation = ''; } -$localScriptUrl = './js/search.min.js?v=20190116'; - -if (UNL_Search::$mode === 'debug') { - $pageTemplate = 'Local'; - $localScriptUrl = './js/search.js'; -} - $isEmbed = isset($_GET['embed']) && $_GET['embed']; // While the site proper is skinned with a specific version, the templates used @@ -43,13 +36,27 @@ if ($isEmbed && $_GET['embed'] === '1') { $pageTemplate = 'Fixed'; $page = Templates::factory($pageTemplate, Templates::VERSION_4_1); $templatePath = 'templates/4.1/'; - $page->addStyleSheet('css/search.css?v=20180901'); + $page->addStyleSheet('css/search.css?v=' . $cacheVersion); + + $localScriptUrl = './js/search.min.js?v=' . $cacheVersion; + + if (UNL_Search::$mode === 'debug') { + $pageTemplate = 'Local'; + $localScriptUrl = './js/search.js'; + } } else { $pageTemplate = 'AppLocal'; $page = Templates::factory($pageTemplate, Templates::VERSION_5_1); $templatePath = 'templates/5.0/'; + $localScriptUrl = './js/search-tabs.min.js?v=' . $cacheVersion; + + if (UNL_Search::$mode === 'debug') { + $pageTemplate = 'Local'; + $localScriptUrl = './js/search-tabs.js'; + } + if (!$isEmbed) { if (file_exists(__DIR__ . '/wdn/templates_5.1')) { $page->setLocalIncludePath(__DIR__); @@ -61,7 +68,6 @@ if ($isEmbed && $_GET['embed'] === '1') { // Add WDN Deprecated Styles $page->head .= '<link rel="preload" href="/wdn/templates_5.1/css/deprecated.css" as="style" onload="this.onload=null;this.rel=\'stylesheet\'"> <noscript><link rel="stylesheet" href="/wdn/templates_5.1/css/deprecated.css"></noscript>'; - // no menu items, so hide mobile menu $page->addStyleDeclaration("#dcf-mobile-toggle-menu {display: none!important}"); @@ -69,7 +75,7 @@ if ($isEmbed && $_GET['embed'] === '1') { $page->addStyleDeclaration("#dcf-mobile-toggle-search, #dcf-search {display: none!important}"); } - $page->addStyleSheet('css/search-5.0.css?v=20180901'); + $page->addStyleSheet('css/search-5.0.css?v=' . $cacheVersion); } $localResults = ''; @@ -125,7 +131,7 @@ if (isset($_GET['u']) && $scanned = UNL_Search::getScannedPage($_GET['u'])) { } $localResults = renderTemplate($templatePath . 'google-results.tpl.php', array( - 'title' => $page->titlegraphic, + 'title' => $page->titlegraphic, // leave for backwards compatibility for 4.1 'id' => 'local_results', )); } elseif (!$isEmbed) { @@ -144,7 +150,8 @@ if (!$isEmbed) { if ($isEmbed || !empty($_GET['q'])) { $maincontent .= renderTemplate($templatePath . 'search-results.tpl.php', array( 'isEmbed' => $isEmbed, - 'local_results' => $localResults + 'local_results' => $localResults, + 'localTitle' => $page->titlegraphic )); } @@ -152,7 +159,8 @@ $endScript = renderTemplate($templatePath . 'end-scripts.tpl.php', array( 'localScriptUrl' => $localScriptUrl, 'googleLoaderUrl' => 'https://cse.google.com/cse.js?cx=' . $search_engine_id, 'initialQuery' => $initialQuery, - 'localContext' => $context + 'localContext' => $context, + 'cacheVersion' => $cacheVersion )); if ($isEmbed) { @@ -175,5 +183,6 @@ if (UNL_Search::$mode === 'debug') { echo renderTemplate($template, array( 'head' => $page->head, - 'maincontent' => $maincontent + 'maincontent' => $maincontent, + 'cacheVersion' => $cacheVersion )); diff --git a/www/js/embed-src/jquery.js b/www/js/embed-src/jquery.js index eed17778c688271208406367c0c1681d81feca6f..19d4e0e45a108c65c7cd592fda2756ae6472d384 100644 --- a/www/js/embed-src/jquery.js +++ b/www/js/embed-src/jquery.js @@ -1,20 +1,22 @@ /*! - * jQuery JavaScript Library v2.1.4 - * http://jquery.com/ + * jQuery JavaScript Library v3.5.1 + * https://jquery.com/ * * Includes Sizzle.js - * http://sizzlejs.com/ + * https://sizzlejs.com/ * - * Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors + * Copyright JS Foundation and other contributors * Released under the MIT license - * http://jquery.org/license + * https://jquery.org/license * - * Date: 2015-04-28T16:01Z + * Date: 2020-05-04T22:49Z */ +( function( global, factory ) { -(function( global, factory ) { + "use strict"; if ( typeof module === "object" && typeof module.exports === "object" ) { + // For CommonJS and CommonJS-like environments where a proper `window` // is present, execute the factory and get jQuery. // For environments that do not have a `window` with a `document` @@ -35,2824 +37,2963 @@ } // Pass this if window is not defined yet -}(typeof window !== "undefined" ? window : this, function( window, noGlobal ) { +} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) { -// Support: Firefox 18+ -// Can't be in strict mode, several libs including ASP.NET trace -// the stack via arguments.caller.callee and Firefox dies if -// you try to trace through "use strict" call chains. (#13335) -// +// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1 +// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode +// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common +// enough that all such attempts are guarded in a try block. + "use strict"; -var arr = []; + var arr = []; -var slice = arr.slice; + var getProto = Object.getPrototypeOf; -var concat = arr.concat; + var slice = arr.slice; -var push = arr.push; + var flat = arr.flat ? function( array ) { + return arr.flat.call( array ); + } : function( array ) { + return arr.concat.apply( [], array ); + }; -var indexOf = arr.indexOf; -var class2type = {}; + var push = arr.push; -var toString = class2type.toString; + var indexOf = arr.indexOf; -var hasOwn = class2type.hasOwnProperty; + var class2type = {}; -var support = {}; + var toString = class2type.toString; + var hasOwn = class2type.hasOwnProperty; + var fnToString = hasOwn.toString; -var - // Use the correct document accordingly with window argument (sandbox) - document = window.document, + var ObjectFunctionString = fnToString.call( Object ); - version = "2.1.4", + var support = {}; - // Define a local copy of jQuery - jQuery = function( selector, context ) { - // The jQuery object is actually just the init constructor 'enhanced' - // Need init if jQuery is called (just allow error to be thrown if not included) - return new jQuery.fn.init( selector, context ); - }, + var isFunction = function isFunction( obj ) { - // Support: Android<4.1 - // Make sure we trim BOM and NBSP - rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, + // Support: Chrome <=57, Firefox <=52 + // In some browsers, typeof returns "function" for HTML <object> elements + // (i.e., `typeof document.createElement( "object" ) === "function"`). + // We don't want to classify *any* DOM node as a function. + return typeof obj === "function" && typeof obj.nodeType !== "number"; + }; - // Matches dashed string for camelizing - rmsPrefix = /^-ms-/, - rdashAlpha = /-([\da-z])/gi, - // Used by jQuery.camelCase as callback to replace() - fcamelCase = function( all, letter ) { - return letter.toUpperCase(); + var isWindow = function isWindow( obj ) { + return obj != null && obj === obj.window; }; -jQuery.fn = jQuery.prototype = { - // The current version of jQuery being used - jquery: version, - constructor: jQuery, + var document = window.document; - // Start with an empty selector - selector: "", - // The default length of a jQuery object is 0 - length: 0, - toArray: function() { - return slice.call( this ); - }, + var preservedScriptAttributes = { + type: true, + src: true, + nonce: true, + noModule: true + }; - // Get the Nth element in the matched element set OR - // Get the whole matched element set as a clean array - get: function( num ) { - return num != null ? + function DOMEval( code, node, doc ) { + doc = doc || document; - // Return just the one element from the set - ( num < 0 ? this[ num + this.length ] : this[ num ] ) : + var i, val, + script = doc.createElement( "script" ); - // Return all the elements in a clean array - slice.call( this ); - }, + script.text = code; + if ( node ) { + for ( i in preservedScriptAttributes ) { - // Take an array of elements and push it onto the stack - // (returning the new matched element set) - pushStack: function( elems ) { + // Support: Firefox 64+, Edge 18+ + // Some browsers don't support the "nonce" property on scripts. + // On the other hand, just using `getAttribute` is not enough as + // the `nonce` attribute is reset to an empty string whenever it + // becomes browsing-context connected. + // See https://github.com/whatwg/html/issues/2369 + // See https://html.spec.whatwg.org/#nonce-attributes + // The `node.getAttribute` check was added for the sake of + // `jQuery.globalEval` so that it can fake a nonce-containing node + // via an object. + val = node[ i ] || node.getAttribute && node.getAttribute( i ); + if ( val ) { + script.setAttribute( i, val ); + } + } + } + doc.head.appendChild( script ).parentNode.removeChild( script ); + } - // Build a new jQuery matched element set - var ret = jQuery.merge( this.constructor(), elems ); - // Add the old object onto the stack (as a reference) - ret.prevObject = this; - ret.context = this.context; + function toType( obj ) { + if ( obj == null ) { + return obj + ""; + } - // Return the newly-formed element set - return ret; - }, - - // Execute a callback for every element in the matched set. - // (You can seed the arguments with an array of args, but this is - // only used internally.) - each: function( callback, args ) { - return jQuery.each( this, callback, args ); - }, - - map: function( callback ) { - return this.pushStack( jQuery.map(this, function( elem, i ) { - return callback.call( elem, i, elem ); - })); - }, - - slice: function() { - return this.pushStack( slice.apply( this, arguments ) ); - }, - - first: function() { - return this.eq( 0 ); - }, - - last: function() { - return this.eq( -1 ); - }, - - eq: function( i ) { - var len = this.length, - j = +i + ( i < 0 ? len : 0 ); - return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] ); - }, - - end: function() { - return this.prevObject || this.constructor(null); - }, - - // For internal use only. - // Behaves like an Array's method, not like a jQuery method. - push: push, - sort: arr.sort, - splice: arr.splice -}; - -jQuery.extend = jQuery.fn.extend = function() { - var options, name, src, copy, copyIsArray, clone, - target = arguments[0] || {}, - i = 1, - length = arguments.length, - deep = false; - - // Handle a deep copy situation - if ( typeof target === "boolean" ) { - deep = target; - - // Skip the boolean and the target - target = arguments[ i ] || {}; - i++; + // Support: Android <=2.3 only (functionish RegExp) + return typeof obj === "object" || typeof obj === "function" ? + class2type[ toString.call( obj ) ] || "object" : + typeof obj; } + /* global Symbol */ +// Defining this global in .eslintrc.json would create a danger of using the global +// unguarded in another place, it seems safer to define global only for this module - // Handle case when target is a string or something (possible in deep copy) - if ( typeof target !== "object" && !jQuery.isFunction(target) ) { - target = {}; - } - // Extend jQuery itself if only one argument is passed - if ( i === length ) { - target = this; - i--; - } - for ( ; i < length; i++ ) { - // Only deal with non-null/undefined values - if ( (options = arguments[ i ]) != null ) { - // Extend the base object - for ( name in options ) { - src = target[ name ]; - copy = options[ name ]; + var + version = "3.5.1", - // Prevent never-ending loop - if ( target === copy ) { - continue; - } + // Define a local copy of jQuery + jQuery = function( selector, context ) { - // Recurse if we're merging plain objects or arrays - if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) { - if ( copyIsArray ) { - copyIsArray = false; - clone = src && jQuery.isArray(src) ? src : []; + // The jQuery object is actually just the init constructor 'enhanced' + // Need init if jQuery is called (just allow error to be thrown if not included) + return new jQuery.fn.init( selector, context ); + }; - } else { - clone = src && jQuery.isPlainObject(src) ? src : {}; - } + jQuery.fn = jQuery.prototype = { - // Never move original objects, clone them - target[ name ] = jQuery.extend( deep, clone, copy ); + // The current version of jQuery being used + jquery: version, - // Don't bring in undefined values - } else if ( copy !== undefined ) { - target[ name ] = copy; - } + constructor: jQuery, + + // The default length of a jQuery object is 0 + length: 0, + + toArray: function() { + return slice.call( this ); + }, + + // Get the Nth element in the matched element set OR + // Get the whole matched element set as a clean array + get: function( num ) { + + // Return all the elements in a clean array + if ( num == null ) { + return slice.call( this ); } - } - } - // Return the modified object - return target; -}; + // Return just the one element from the set + return num < 0 ? this[ num + this.length ] : this[ num ]; + }, -jQuery.extend({ - // Unique for each copy of jQuery on the page - expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ), + // Take an array of elements and push it onto the stack + // (returning the new matched element set) + pushStack: function( elems ) { - // Assume jQuery is ready without the ready module - isReady: true, + // Build a new jQuery matched element set + var ret = jQuery.merge( this.constructor(), elems ); - error: function( msg ) { - throw new Error( msg ); - }, + // Add the old object onto the stack (as a reference) + ret.prevObject = this; - noop: function() {}, + // Return the newly-formed element set + return ret; + }, - isFunction: function( obj ) { - return jQuery.type(obj) === "function"; - }, + // Execute a callback for every element in the matched set. + each: function( callback ) { + return jQuery.each( this, callback ); + }, - isArray: Array.isArray, + map: function( callback ) { + return this.pushStack( jQuery.map( this, function( elem, i ) { + return callback.call( elem, i, elem ); + } ) ); + }, - isWindow: function( obj ) { - return obj != null && obj === obj.window; - }, - - isNumeric: function( obj ) { - // parseFloat NaNs numeric-cast false positives (null|true|false|"") - // ...but misinterprets leading-number strings, particularly hex literals ("0x...") - // subtraction forces infinities to NaN - // adding 1 corrects loss of precision from parseFloat (#15100) - return !jQuery.isArray( obj ) && (obj - parseFloat( obj ) + 1) >= 0; - }, - - isPlainObject: function( obj ) { - // Not plain objects: - // - Any object or value whose internal [[Class]] property is not "[object Object]" - // - DOM nodes - // - window - if ( jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) { - return false; - } + slice: function() { + return this.pushStack( slice.apply( this, arguments ) ); + }, - if ( obj.constructor && - !hasOwn.call( obj.constructor.prototype, "isPrototypeOf" ) ) { - return false; - } + first: function() { + return this.eq( 0 ); + }, - // If the function hasn't returned already, we're confident that - // |obj| is a plain object, created by {} or constructed with new Object - return true; - }, + last: function() { + return this.eq( -1 ); + }, - isEmptyObject: function( obj ) { - var name; - for ( name in obj ) { - return false; - } - return true; - }, + even: function() { + return this.pushStack( jQuery.grep( this, function( _elem, i ) { + return ( i + 1 ) % 2; + } ) ); + }, - type: function( obj ) { - if ( obj == null ) { - return obj + ""; + odd: function() { + return this.pushStack( jQuery.grep( this, function( _elem, i ) { + return i % 2; + } ) ); + }, + + eq: function( i ) { + var len = this.length, + j = +i + ( i < 0 ? len : 0 ); + return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] ); + }, + + end: function() { + return this.prevObject || this.constructor(); + }, + + // For internal use only. + // Behaves like an Array's method, not like a jQuery method. + push: push, + sort: arr.sort, + splice: arr.splice + }; + + jQuery.extend = jQuery.fn.extend = function() { + var options, name, src, copy, copyIsArray, clone, + target = arguments[ 0 ] || {}, + i = 1, + length = arguments.length, + deep = false; + + // Handle a deep copy situation + if ( typeof target === "boolean" ) { + deep = target; + + // Skip the boolean and the target + target = arguments[ i ] || {}; + i++; } - // Support: Android<4.0, iOS<6 (functionish RegExp) - return typeof obj === "object" || typeof obj === "function" ? - class2type[ toString.call(obj) ] || "object" : - typeof obj; - }, - - // Evaluates a script in a global context - globalEval: function( code ) { - var script, - indirect = eval; - - code = jQuery.trim( code ); - - if ( code ) { - // If the code includes a valid, prologue position - // strict mode pragma, execute code by injecting a - // script tag into the document. - if ( code.indexOf("use strict") === 1 ) { - script = document.createElement("script"); - script.text = code; - document.head.appendChild( script ).parentNode.removeChild( script ); - } else { - // Otherwise, avoid the DOM node creation, insertion - // and removal by using an indirect global eval - indirect( code ); - } + + // Handle case when target is a string or something (possible in deep copy) + if ( typeof target !== "object" && !isFunction( target ) ) { + target = {}; } - }, - // Convert dashed to camelCase; used by the css and data modules - // Support: IE9-11+ - // Microsoft forgot to hump their vendor prefix (#9572) - camelCase: function( string ) { - return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); - }, + // Extend jQuery itself if only one argument is passed + if ( i === length ) { + target = this; + i--; + } - nodeName: function( elem, name ) { - return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); - }, + for ( ; i < length; i++ ) { - // args is for internal usage only - each: function( obj, callback, args ) { - var value, - i = 0, - length = obj.length, - isArray = isArraylike( obj ); + // Only deal with non-null/undefined values + if ( ( options = arguments[ i ] ) != null ) { - if ( args ) { - if ( isArray ) { - for ( ; i < length; i++ ) { - value = callback.apply( obj[ i ], args ); + // Extend the base object + for ( name in options ) { + copy = options[ name ]; - if ( value === false ) { - break; + // Prevent Object.prototype pollution + // Prevent never-ending loop + if ( name === "__proto__" || target === copy ) { + continue; } - } - } else { - for ( i in obj ) { - value = callback.apply( obj[ i ], args ); - if ( value === false ) { - break; - } - } - } + // Recurse if we're merging plain objects or arrays + if ( deep && copy && ( jQuery.isPlainObject( copy ) || + ( copyIsArray = Array.isArray( copy ) ) ) ) { + src = target[ name ]; - // A special, fast, case for the most common use of each - } else { - if ( isArray ) { - for ( ; i < length; i++ ) { - value = callback.call( obj[ i ], i, obj[ i ] ); + // Ensure proper type for the source value + if ( copyIsArray && !Array.isArray( src ) ) { + clone = []; + } else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) { + clone = {}; + } else { + clone = src; + } + copyIsArray = false; - if ( value === false ) { - break; - } - } - } else { - for ( i in obj ) { - value = callback.call( obj[ i ], i, obj[ i ] ); + // Never move original objects, clone them + target[ name ] = jQuery.extend( deep, clone, copy ); - if ( value === false ) { - break; + // Don't bring in undefined values + } else if ( copy !== undefined ) { + target[ name ] = copy; } } } } - return obj; - }, + // Return the modified object + return target; + }; - // Support: Android<4.1 - trim: function( text ) { - return text == null ? - "" : - ( text + "" ).replace( rtrim, "" ); - }, + jQuery.extend( { - // results is for internal usage only - makeArray: function( arr, results ) { - var ret = results || []; + // Unique for each copy of jQuery on the page + expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ), - if ( arr != null ) { - if ( isArraylike( Object(arr) ) ) { - jQuery.merge( ret, - typeof arr === "string" ? - [ arr ] : arr - ); - } else { - push.call( ret, arr ); - } - } + // Assume jQuery is ready without the ready module + isReady: true, - return ret; - }, + error: function( msg ) { + throw new Error( msg ); + }, - inArray: function( elem, arr, i ) { - return arr == null ? -1 : indexOf.call( arr, elem, i ); - }, + noop: function() {}, - merge: function( first, second ) { - var len = +second.length, - j = 0, - i = first.length; + isPlainObject: function( obj ) { + var proto, Ctor; - for ( ; j < len; j++ ) { - first[ i++ ] = second[ j ]; - } + // Detect obvious negatives + // Use toString instead of jQuery.type to catch host objects + if ( !obj || toString.call( obj ) !== "[object Object]" ) { + return false; + } - first.length = i; + proto = getProto( obj ); - return first; - }, + // Objects with no prototype (e.g., `Object.create( null )`) are plain + if ( !proto ) { + return true; + } - grep: function( elems, callback, invert ) { - var callbackInverse, - matches = [], - i = 0, - length = elems.length, - callbackExpect = !invert; + // Objects with prototype are plain iff they were constructed by a global Object function + Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor; + return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString; + }, - // Go through the array, only saving the items - // that pass the validator function - for ( ; i < length; i++ ) { - callbackInverse = !callback( elems[ i ], i ); - if ( callbackInverse !== callbackExpect ) { - matches.push( elems[ i ] ); + isEmptyObject: function( obj ) { + var name; + + for ( name in obj ) { + return false; } - } + return true; + }, - return matches; - }, + // Evaluates a script in a provided context; falls back to the global one + // if not specified. + globalEval: function( code, options, doc ) { + DOMEval( code, { nonce: options && options.nonce }, doc ); + }, - // arg is for internal usage only - map: function( elems, callback, arg ) { - var value, - i = 0, - length = elems.length, - isArray = isArraylike( elems ), - ret = []; + each: function( obj, callback ) { + var length, i = 0; - // Go through the array, translating each of the items to their new values - if ( isArray ) { - for ( ; i < length; i++ ) { - value = callback( elems[ i ], i, arg ); + if ( isArrayLike( obj ) ) { + length = obj.length; + for ( ; i < length; i++ ) { + if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { + break; + } + } + } else { + for ( i in obj ) { + if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { + break; + } + } + } - if ( value != null ) { - ret.push( value ); + return obj; + }, + + // results is for internal usage only + makeArray: function( arr, results ) { + var ret = results || []; + + if ( arr != null ) { + if ( isArrayLike( Object( arr ) ) ) { + jQuery.merge( ret, + typeof arr === "string" ? + [ arr ] : arr + ); + } else { + push.call( ret, arr ); } } - // Go through every key on the object, - } else { - for ( i in elems ) { - value = callback( elems[ i ], i, arg ); + return ret; + }, - if ( value != null ) { - ret.push( value ); + inArray: function( elem, arr, i ) { + return arr == null ? -1 : indexOf.call( arr, elem, i ); + }, + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + merge: function( first, second ) { + var len = +second.length, + j = 0, + i = first.length; + + for ( ; j < len; j++ ) { + first[ i++ ] = second[ j ]; + } + + first.length = i; + + return first; + }, + + grep: function( elems, callback, invert ) { + var callbackInverse, + matches = [], + i = 0, + length = elems.length, + callbackExpect = !invert; + + // Go through the array, only saving the items + // that pass the validator function + for ( ; i < length; i++ ) { + callbackInverse = !callback( elems[ i ], i ); + if ( callbackInverse !== callbackExpect ) { + matches.push( elems[ i ] ); } } - } - // Flatten any nested arrays - return concat.apply( [], ret ); - }, + return matches; + }, - // A global GUID counter for objects - guid: 1, + // arg is for internal usage only + map: function( elems, callback, arg ) { + var length, value, + i = 0, + ret = []; - // Bind a function to a context, optionally partially applying any - // arguments. - proxy: function( fn, context ) { - var tmp, args, proxy; + // Go through the array, translating each of the items to their new values + if ( isArrayLike( elems ) ) { + length = elems.length; + for ( ; i < length; i++ ) { + value = callback( elems[ i ], i, arg ); - if ( typeof context === "string" ) { - tmp = fn[ context ]; - context = fn; - fn = tmp; - } + if ( value != null ) { + ret.push( value ); + } + } - // Quick check to determine if target is callable, in the spec - // this throws a TypeError, but we will just return undefined. - if ( !jQuery.isFunction( fn ) ) { - return undefined; - } + // Go through every key on the object, + } else { + for ( i in elems ) { + value = callback( elems[ i ], i, arg ); - // Simulated bind - args = slice.call( arguments, 2 ); - proxy = function() { - return fn.apply( context || this, args.concat( slice.call( arguments ) ) ); - }; + if ( value != null ) { + ret.push( value ); + } + } + } - // Set the guid of unique handler to the same of original handler, so it can be removed - proxy.guid = fn.guid = fn.guid || jQuery.guid++; + // Flatten any nested arrays + return flat( ret ); + }, - return proxy; - }, + // A global GUID counter for objects + guid: 1, - now: Date.now, + // jQuery.support is not used in Core but other projects attach their + // properties to it so it needs to exist. + support: support + } ); - // jQuery.support is not used in Core but other projects attach their - // properties to it so it needs to exist. - support: support -}); + if ( typeof Symbol === "function" ) { + jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ]; + } // Populate the class2type map -jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) { - class2type[ "[object " + name + "]" ] = name.toLowerCase(); -}); + jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ), + function( _i, name ) { + class2type[ "[object " + name + "]" ] = name.toLowerCase(); + } ); -function isArraylike( obj ) { + function isArrayLike( obj ) { - // Support: iOS 8.2 (not reproducible in simulator) - // `in` check used to prevent JIT error (gh-2145) - // hasOwn isn't used here due to false negatives - // regarding Nodelist length in IE - var length = "length" in obj && obj.length, - type = jQuery.type( obj ); + // Support: real iOS 8.2 only (not reproducible in simulator) + // `in` check used to prevent JIT error (gh-2145) + // hasOwn isn't used here due to false negatives + // regarding Nodelist length in IE + var length = !!obj && "length" in obj && obj.length, + type = toType( obj ); - if ( type === "function" || jQuery.isWindow( obj ) ) { - return false; - } + if ( isFunction( obj ) || isWindow( obj ) ) { + return false; + } - if ( obj.nodeType === 1 && length ) { - return true; + return type === "array" || length === 0 || + typeof length === "number" && length > 0 && ( length - 1 ) in obj; } - - return type === "array" || length === 0 || - typeof length === "number" && length > 0 && ( length - 1 ) in obj; -} -var Sizzle = -/*! - * Sizzle CSS Selector Engine v2.2.0-pre - * http://sizzlejs.com/ + var Sizzle = + /*! + * Sizzle CSS Selector Engine v2.3.5 + * https://sizzlejs.com/ * - * Copyright 2008, 2014 jQuery Foundation, Inc. and other contributors + * Copyright JS Foundation and other contributors * Released under the MIT license - * http://jquery.org/license + * https://js.foundation/ * - * Date: 2014-12-16 + * Date: 2020-03-14 */ -(function( window ) { - -var i, - support, - Expr, - getText, - isXML, - tokenize, - compile, - select, - outermostContext, - sortInput, - hasDuplicate, - - // Local document vars - setDocument, - document, - docElem, - documentIsHTML, - rbuggyQSA, - rbuggyMatches, - matches, - contains, - - // Instance-specific data - expando = "sizzle" + 1 * new Date(), - preferredDoc = window.document, - dirruns = 0, - done = 0, - classCache = createCache(), - tokenCache = createCache(), - compilerCache = createCache(), - sortOrder = function( a, b ) { - if ( a === b ) { - hasDuplicate = true; - } - return 0; - }, - - // General-purpose constants - MAX_NEGATIVE = 1 << 31, - - // Instance methods - hasOwn = ({}).hasOwnProperty, - arr = [], - pop = arr.pop, - push_native = arr.push, - push = arr.push, - slice = arr.slice, - // Use a stripped-down indexOf as it's faster than native - // http://jsperf.com/thor-indexof-vs-for/5 - indexOf = function( list, elem ) { - var i = 0, - len = list.length; - for ( ; i < len; i++ ) { - if ( list[i] === elem ) { - return i; - } - } - return -1; - }, - - booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped", - - // Regular expressions - - // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace - whitespace = "[\\x20\\t\\r\\n\\f]", - // http://www.w3.org/TR/css3-syntax/#characters - characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+", - - // Loosely modeled on CSS identifier characters - // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors - // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier - identifier = characterEncoding.replace( "w", "w#" ), - - // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors - attributes = "\\[" + whitespace + "*(" + characterEncoding + ")(?:" + whitespace + - // Operator (capture 2) - "*([*^$|!~]?=)" + whitespace + - // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]" - "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + - "*\\]", - - pseudos = ":(" + characterEncoding + ")(?:\\((" + - // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: - // 1. quoted (capture 3; capture 4 or capture 5) - "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + - // 2. simple (capture 6) - "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + - // 3. anything else (capture 2) - ".*" + - ")\\)|)", - - // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter - rwhitespace = new RegExp( whitespace + "+", "g" ), - rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ), - - rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), - rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ), - - rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ), - - rpseudo = new RegExp( pseudos ), - ridentifier = new RegExp( "^" + identifier + "$" ), - - matchExpr = { - "ID": new RegExp( "^#(" + characterEncoding + ")" ), - "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ), - "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ), - "ATTR": new RegExp( "^" + attributes ), - "PSEUDO": new RegExp( "^" + pseudos ), - "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + - "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + - "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), - "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), - // For use in libraries implementing .is() - // We use this for POS matching in `select` - "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + - whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) - }, - - rinputs = /^(?:input|select|textarea|button)$/i, - rheader = /^h\d$/i, - - rnative = /^[^{]+\{\s*\[native \w/, - - // Easily-parseable/retrievable ID or TAG or CLASS selectors - rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, - - rsibling = /[+~]/, - rescape = /'|\\/g, - - // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters - runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ), - funescape = function( _, escaped, escapedWhitespace ) { - var high = "0x" + escaped - 0x10000; - // NaN means non-codepoint - // Support: Firefox<24 - // Workaround erroneous numeric interpretation of +"0x" - return high !== high || escapedWhitespace ? - escaped : - high < 0 ? - // BMP codepoint - String.fromCharCode( high + 0x10000 ) : - // Supplemental Plane codepoint (surrogate pair) - String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); - }, - - // Used for iframes - // See setDocument() - // Removing the function wrapper causes a "Permission Denied" - // error in IE - unloadHandler = function() { - setDocument(); - }; + ( function( window ) { + var i, + support, + Expr, + getText, + isXML, + tokenize, + compile, + select, + outermostContext, + sortInput, + hasDuplicate, + + // Local document vars + setDocument, + document, + docElem, + documentIsHTML, + rbuggyQSA, + rbuggyMatches, + matches, + contains, + + // Instance-specific data + expando = "sizzle" + 1 * new Date(), + preferredDoc = window.document, + dirruns = 0, + done = 0, + classCache = createCache(), + tokenCache = createCache(), + compilerCache = createCache(), + nonnativeSelectorCache = createCache(), + sortOrder = function( a, b ) { + if ( a === b ) { + hasDuplicate = true; + } + return 0; + }, -// Optimize for push.apply( _, NodeList ) -try { - push.apply( - (arr = slice.call( preferredDoc.childNodes )), - preferredDoc.childNodes - ); - // Support: Android<4.0 - // Detect silently failing push.apply - arr[ preferredDoc.childNodes.length ].nodeType; -} catch ( e ) { - push = { apply: arr.length ? - - // Leverage slice if possible - function( target, els ) { - push_native.apply( target, slice.call(els) ); - } : - - // Support: IE<9 - // Otherwise append directly - function( target, els ) { - var j = target.length, - i = 0; - // Can't trust NodeList.length - while ( (target[j++] = els[i++]) ) {} - target.length = j - 1; - } - }; -} + // Instance methods + hasOwn = ( {} ).hasOwnProperty, + arr = [], + pop = arr.pop, + pushNative = arr.push, + push = arr.push, + slice = arr.slice, + + // Use a stripped-down indexOf as it's faster than native + // https://jsperf.com/thor-indexof-vs-for/5 + indexOf = function( list, elem ) { + var i = 0, + len = list.length; + for ( ; i < len; i++ ) { + if ( list[ i ] === elem ) { + return i; + } + } + return -1; + }, -function Sizzle( selector, context, results, seed ) { - var match, elem, m, nodeType, - // QSA vars - i, groups, old, nid, newContext, newSelector; + booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|" + + "ismap|loop|multiple|open|readonly|required|scoped", - if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) { - setDocument( context ); - } + // Regular expressions - context = context || document; - results = results || []; - nodeType = context.nodeType; + // http://www.w3.org/TR/css3-selectors/#whitespace + whitespace = "[\\x20\\t\\r\\n\\f]", - if ( typeof selector !== "string" || !selector || - nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) { + // https://www.w3.org/TR/css-syntax-3/#ident-token-diagram + identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace + + "?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+", - return results; - } + // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors + attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace + - if ( !seed && documentIsHTML ) { - - // Try to shortcut find operations when possible (e.g., not under DocumentFragment) - if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) { - // Speed-up: Sizzle("#ID") - if ( (m = match[1]) ) { - if ( nodeType === 9 ) { - elem = context.getElementById( m ); - // Check parentNode to catch when Blackberry 4.6 returns - // nodes that are no longer in the document (jQuery #6963) - if ( elem && elem.parentNode ) { - // Handle the case where IE, Opera, and Webkit return items - // by name instead of ID - if ( elem.id === m ) { - results.push( elem ); - return results; - } - } else { - return results; - } - } else { - // Context is not a document - if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) && - contains( context, elem ) && elem.id === m ) { - results.push( elem ); - return results; - } - } + // Operator (capture 2) + "*([*^$|!~]?=)" + whitespace + - // Speed-up: Sizzle("TAG") - } else if ( match[2] ) { - push.apply( results, context.getElementsByTagName( selector ) ); - return results; + // "Attribute values must be CSS identifiers [capture 5] + // or strings [capture 3 or capture 4]" + "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + + whitespace + "*\\]", - // Speed-up: Sizzle(".CLASS") - } else if ( (m = match[3]) && support.getElementsByClassName ) { - push.apply( results, context.getElementsByClassName( m ) ); - return results; - } - } + pseudos = ":(" + identifier + ")(?:\\((" + - // QSA path - if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) { - nid = old = expando; - newContext = context; - newSelector = nodeType !== 1 && selector; + // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: + // 1. quoted (capture 3; capture 4 or capture 5) + "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + - // qSA works strangely on Element-rooted queries - // We can work around this by specifying an extra ID on the root - // and working up from there (Thanks to Andrew Dupont for the technique) - // IE 8 doesn't work on object elements - if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) { - groups = tokenize( selector ); + // 2. simple (capture 6) + "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + - if ( (old = context.getAttribute("id")) ) { - nid = old.replace( rescape, "\\$&" ); - } else { - context.setAttribute( "id", nid ); - } - nid = "[id='" + nid + "'] "; + // 3. anything else (capture 2) + ".*" + + ")\\)|)", - i = groups.length; - while ( i-- ) { - groups[i] = nid + toSelector( groups[i] ); - } - newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context; - newSelector = groups.join(","); - } + // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter + rwhitespace = new RegExp( whitespace + "+", "g" ), + rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + + whitespace + "+$", "g" ), - if ( newSelector ) { - try { - push.apply( results, - newContext.querySelectorAll( newSelector ) - ); - return results; - } catch(qsaError) { - } finally { - if ( !old ) { - context.removeAttribute("id"); - } - } - } - } - } + rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), + rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + + "*" ), + rdescend = new RegExp( whitespace + "|>" ), - // All others - return select( selector.replace( rtrim, "$1" ), context, results, seed ); -} + rpseudo = new RegExp( pseudos ), + ridentifier = new RegExp( "^" + identifier + "$" ), -/** - * Create key-value caches of limited size - * @returns {Function(string, Object)} Returns the Object data after storing it on itself with - * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) - * deleting the oldest entry - */ -function createCache() { - var keys = []; + matchExpr = { + "ID": new RegExp( "^#(" + identifier + ")" ), + "CLASS": new RegExp( "^\\.(" + identifier + ")" ), + "TAG": new RegExp( "^(" + identifier + "|[*])" ), + "ATTR": new RegExp( "^" + attributes ), + "PSEUDO": new RegExp( "^" + pseudos ), + "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + + whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + + whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), + "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), - function cache( key, value ) { - // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) - if ( keys.push( key + " " ) > Expr.cacheLength ) { - // Only keep the most recent entries - delete cache[ keys.shift() ]; - } - return (cache[ key + " " ] = value); - } - return cache; -} + // For use in libraries implementing .is() + // We use this for POS matching in `select` + "needsContext": new RegExp( "^" + whitespace + + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace + + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) + }, -/** - * Mark a function for special use by Sizzle - * @param {Function} fn The function to mark - */ -function markFunction( fn ) { - fn[ expando ] = true; - return fn; -} - -/** - * Support testing using an element - * @param {Function} fn Passed the created div and expects a boolean result - */ -function assert( fn ) { - var div = document.createElement("div"); + rhtml = /HTML$/i, + rinputs = /^(?:input|select|textarea|button)$/i, + rheader = /^h\d$/i, - try { - return !!fn( div ); - } catch (e) { - return false; - } finally { - // Remove from its parent by default - if ( div.parentNode ) { - div.parentNode.removeChild( div ); - } - // release memory in IE - div = null; - } -} + rnative = /^[^{]+\{\s*\[native \w/, -/** - * Adds the same handler for all of the specified attrs - * @param {String} attrs Pipe-separated list of attributes - * @param {Function} handler The method that will be applied - */ -function addHandle( attrs, handler ) { - var arr = attrs.split("|"), - i = attrs.length; + // Easily-parseable/retrievable ID or TAG or CLASS selectors + rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, - while ( i-- ) { - Expr.attrHandle[ arr[i] ] = handler; - } -} + rsibling = /[+~]/, -/** - * Checks document order of two siblings - * @param {Element} a - * @param {Element} b - * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b - */ -function siblingCheck( a, b ) { - var cur = b && a, - diff = cur && a.nodeType === 1 && b.nodeType === 1 && - ( ~b.sourceIndex || MAX_NEGATIVE ) - - ( ~a.sourceIndex || MAX_NEGATIVE ); - - // Use IE sourceIndex if available on both nodes - if ( diff ) { - return diff; - } + // CSS escapes + // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters + runescape = new RegExp( "\\\\[\\da-fA-F]{1,6}" + whitespace + "?|\\\\([^\\r\\n\\f])", "g" ), + funescape = function( escape, nonHex ) { + var high = "0x" + escape.slice( 1 ) - 0x10000; - // Check if b follows a - if ( cur ) { - while ( (cur = cur.nextSibling) ) { - if ( cur === b ) { - return -1; - } - } - } + return nonHex ? - return a ? 1 : -1; -} + // Strip the backslash prefix from a non-hex escape sequence + nonHex : -/** - * Returns a function to use in pseudos for input types - * @param {String} type - */ -function createInputPseudo( type ) { - return function( elem ) { - var name = elem.nodeName.toLowerCase(); - return name === "input" && elem.type === type; - }; -} + // Replace a hexadecimal escape sequence with the encoded Unicode code point + // Support: IE <=11+ + // For values outside the Basic Multilingual Plane (BMP), manually construct a + // surrogate pair + high < 0 ? + String.fromCharCode( high + 0x10000 ) : + String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); + }, -/** - * Returns a function to use in pseudos for buttons - * @param {String} type - */ -function createButtonPseudo( type ) { - return function( elem ) { - var name = elem.nodeName.toLowerCase(); - return (name === "input" || name === "button") && elem.type === type; - }; -} + // CSS string/identifier serialization + // https://drafts.csswg.org/cssom/#common-serializing-idioms + rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g, + fcssescape = function( ch, asCodePoint ) { + if ( asCodePoint ) { -/** - * Returns a function to use in pseudos for positionals - * @param {Function} fn - */ -function createPositionalPseudo( fn ) { - return markFunction(function( argument ) { - argument = +argument; - return markFunction(function( seed, matches ) { - var j, - matchIndexes = fn( [], seed.length, argument ), - i = matchIndexes.length; - - // Match elements found at the specified indexes - while ( i-- ) { - if ( seed[ (j = matchIndexes[i]) ] ) { - seed[j] = !(matches[j] = seed[j]); - } - } - }); - }); -} - -/** - * Checks a node for validity as a Sizzle context - * @param {Element|Object=} context - * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value - */ -function testContext( context ) { - return context && typeof context.getElementsByTagName !== "undefined" && context; -} - -// Expose support vars for convenience -support = Sizzle.support = {}; - -/** - * Detects XML nodes - * @param {Element|Object} elem An element or a document - * @returns {Boolean} True iff elem is a non-HTML XML node - */ -isXML = Sizzle.isXML = function( elem ) { - // documentElement is verified for cases where it doesn't yet exist - // (such as loading iframes in IE - #4833) - var documentElement = elem && (elem.ownerDocument || elem).documentElement; - return documentElement ? documentElement.nodeName !== "HTML" : false; -}; - -/** - * Sets document-related variables once based on the current document - * @param {Element|Object} [doc] An element or document object to use to set the document - * @returns {Object} Returns the current document - */ -setDocument = Sizzle.setDocument = function( node ) { - var hasCompare, parent, - doc = node ? node.ownerDocument || node : preferredDoc; - - // If no document and documentElement is available, return - if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) { - return document; - } + // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER + if ( ch === "\0" ) { + return "\uFFFD"; + } - // Set our document - document = doc; - docElem = doc.documentElement; - parent = doc.defaultView; - - // Support: IE>8 - // If iframe document is assigned to "document" variable and if iframe has been reloaded, - // IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936 - // IE6-8 do not support the defaultView property so parent will be undefined - if ( parent && parent !== parent.top ) { - // IE11 does not have attachEvent, so all must suffer - if ( parent.addEventListener ) { - parent.addEventListener( "unload", unloadHandler, false ); - } else if ( parent.attachEvent ) { - parent.attachEvent( "onunload", unloadHandler ); - } - } + // Control characters and (dependent upon position) numbers get escaped as code points + return ch.slice( 0, -1 ) + "\\" + + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " "; + } - /* Support tests - ---------------------------------------------------------------------- */ - documentIsHTML = !isXML( doc ); + // Other potentially-special ASCII characters get backslash-escaped + return "\\" + ch; + }, - /* Attributes - ---------------------------------------------------------------------- */ + // Used for iframes + // See setDocument() + // Removing the function wrapper causes a "Permission Denied" + // error in IE + unloadHandler = function() { + setDocument(); + }, - // Support: IE<8 - // Verify that getAttribute really returns attributes and not properties - // (excepting IE8 booleans) - support.attributes = assert(function( div ) { - div.className = "i"; - return !div.getAttribute("className"); - }); + inDisabledFieldset = addCombinator( + function( elem ) { + return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset"; + }, + { dir: "parentNode", next: "legend" } + ); - /* getElement(s)By* - ---------------------------------------------------------------------- */ +// Optimize for push.apply( _, NodeList ) + try { + push.apply( + ( arr = slice.call( preferredDoc.childNodes ) ), + preferredDoc.childNodes + ); - // Check if getElementsByTagName("*") returns only elements - support.getElementsByTagName = assert(function( div ) { - div.appendChild( doc.createComment("") ); - return !div.getElementsByTagName("*").length; - }); - - // Support: IE<9 - support.getElementsByClassName = rnative.test( doc.getElementsByClassName ); - - // Support: IE<10 - // Check if getElementById returns elements by name - // The broken getElementById methods don't pick up programatically-set names, - // so use a roundabout getElementsByName test - support.getById = assert(function( div ) { - docElem.appendChild( div ).id = expando; - return !doc.getElementsByName || !doc.getElementsByName( expando ).length; - }); - - // ID find and filter - if ( support.getById ) { - Expr.find["ID"] = function( id, context ) { - if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { - var m = context.getElementById( id ); - // Check parentNode to catch when Blackberry 4.6 returns - // nodes that are no longer in the document #6963 - return m && m.parentNode ? [ m ] : []; + // Support: Android<4.0 + // Detect silently failing push.apply + // eslint-disable-next-line no-unused-expressions + arr[ preferredDoc.childNodes.length ].nodeType; + } catch ( e ) { + push = { apply: arr.length ? + + // Leverage slice if possible + function( target, els ) { + pushNative.apply( target, slice.call( els ) ); + } : + + // Support: IE<9 + // Otherwise append directly + function( target, els ) { + var j = target.length, + i = 0; + + // Can't trust NodeList.length + while ( ( target[ j++ ] = els[ i++ ] ) ) {} + target.length = j - 1; + } + }; } - }; - Expr.filter["ID"] = function( id ) { - var attrId = id.replace( runescape, funescape ); - return function( elem ) { - return elem.getAttribute("id") === attrId; - }; - }; - } else { - // Support: IE6/7 - // getElementById is not reliable as a find shortcut - delete Expr.find["ID"]; - - Expr.filter["ID"] = function( id ) { - var attrId = id.replace( runescape, funescape ); - return function( elem ) { - var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id"); - return node && node.value === attrId; - }; - }; - } - // Tag - Expr.find["TAG"] = support.getElementsByTagName ? - function( tag, context ) { - if ( typeof context.getElementsByTagName !== "undefined" ) { - return context.getElementsByTagName( tag ); + function Sizzle( selector, context, results, seed ) { + var m, i, elem, nid, match, groups, newSelector, + newContext = context && context.ownerDocument, - // DocumentFragment nodes don't have gEBTN - } else if ( support.qsa ) { - return context.querySelectorAll( tag ); - } - } : + // nodeType defaults to 9, since context defaults to document + nodeType = context ? context.nodeType : 9; - function( tag, context ) { - var elem, - tmp = [], - i = 0, - // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too - results = context.getElementsByTagName( tag ); + results = results || []; - // Filter out possible comments - if ( tag === "*" ) { - while ( (elem = results[i++]) ) { - if ( elem.nodeType === 1 ) { - tmp.push( elem ); - } + // Return early from calls with invalid selector or context + if ( typeof selector !== "string" || !selector || + nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) { + + return results; } - return tmp; - } - return results; - }; + // Try to shortcut find operations (as opposed to filters) in HTML documents + if ( !seed ) { + setDocument( context ); + context = context || document; - // Class - Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) { - if ( documentIsHTML ) { - return context.getElementsByClassName( className ); - } - }; + if ( documentIsHTML ) { - /* QSA/matchesSelector - ---------------------------------------------------------------------- */ + // If the selector is sufficiently simple, try using a "get*By*" DOM method + // (excepting DocumentFragment context, where the methods don't exist) + if ( nodeType !== 11 && ( match = rquickExpr.exec( selector ) ) ) { - // QSA and matchesSelector support + // ID selector + if ( ( m = match[ 1 ] ) ) { - // matchesSelector(:active) reports false when true (IE9/Opera 11.5) - rbuggyMatches = []; + // Document context + if ( nodeType === 9 ) { + if ( ( elem = context.getElementById( m ) ) ) { - // qSa(:focus) reports false when true (Chrome 21) - // We allow this because of a bug in IE8/9 that throws an error - // whenever `document.activeElement` is accessed on an iframe - // So, we allow :focus to pass through QSA all the time to avoid the IE error - // See http://bugs.jquery.com/ticket/13378 - rbuggyQSA = []; + // Support: IE, Opera, Webkit + // TODO: identify versions + // getElementById can match elements by name instead of ID + if ( elem.id === m ) { + results.push( elem ); + return results; + } + } else { + return results; + } - if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) { - // Build QSA regex - // Regex strategy adopted from Diego Perini - assert(function( div ) { - // Select is set to empty string on purpose - // This is to test IE's treatment of not explicitly - // setting a boolean content attribute, - // since its presence should be enough - // http://bugs.jquery.com/ticket/12359 - docElem.appendChild( div ).innerHTML = "<a id='" + expando + "'></a>" + - "<select id='" + expando + "-\f]' msallowcapture=''>" + - "<option selected=''></option></select>"; + // Element context + } else { - // Support: IE8, Opera 11-12.16 - // Nothing should be selected when empty strings follow ^= or $= or *= - // The test attribute must be unknown in Opera but "safe" for WinRT - // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section - if ( div.querySelectorAll("[msallowcapture^='']").length ) { - rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); - } + // Support: IE, Opera, Webkit + // TODO: identify versions + // getElementById can match elements by name instead of ID + if ( newContext && ( elem = newContext.getElementById( m ) ) && + contains( context, elem ) && + elem.id === m ) { - // Support: IE8 - // Boolean attributes and "value" are not treated correctly - if ( !div.querySelectorAll("[selected]").length ) { - rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); - } + results.push( elem ); + return results; + } + } - // Support: Chrome<29, Android<4.2+, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.7+ - if ( !div.querySelectorAll( "[id~=" + expando + "-]" ).length ) { - rbuggyQSA.push("~="); - } + // Type selector + } else if ( match[ 2 ] ) { + push.apply( results, context.getElementsByTagName( selector ) ); + return results; - // Webkit/Opera - :checked should return selected option elements - // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked - // IE8 throws error here and will not see later tests - if ( !div.querySelectorAll(":checked").length ) { - rbuggyQSA.push(":checked"); - } + // Class selector + } else if ( ( m = match[ 3 ] ) && support.getElementsByClassName && + context.getElementsByClassName ) { - // Support: Safari 8+, iOS 8+ - // https://bugs.webkit.org/show_bug.cgi?id=136851 - // In-page `selector#id sibing-combinator selector` fails - if ( !div.querySelectorAll( "a#" + expando + "+*" ).length ) { - rbuggyQSA.push(".#.+[+~]"); - } - }); + push.apply( results, context.getElementsByClassName( m ) ); + return results; + } + } - assert(function( div ) { - // Support: Windows 8 Native Apps - // The type and name attributes are restricted during .innerHTML assignment - var input = doc.createElement("input"); - input.setAttribute( "type", "hidden" ); - div.appendChild( input ).setAttribute( "name", "D" ); + // Take advantage of querySelectorAll + if ( support.qsa && + !nonnativeSelectorCache[ selector + " " ] && + ( !rbuggyQSA || !rbuggyQSA.test( selector ) ) && + + // Support: IE 8 only + // Exclude object elements + ( nodeType !== 1 || context.nodeName.toLowerCase() !== "object" ) ) { + + newSelector = selector; + newContext = context; + + // qSA considers elements outside a scoping root when evaluating child or + // descendant combinators, which is not what we want. + // In such cases, we work around the behavior by prefixing every selector in the + // list with an ID selector referencing the scope context. + // The technique has to be used as well when a leading combinator is used + // as such selectors are not recognized by querySelectorAll. + // Thanks to Andrew Dupont for this technique. + if ( nodeType === 1 && + ( rdescend.test( selector ) || rcombinators.test( selector ) ) ) { + + // Expand context for sibling selectors + newContext = rsibling.test( selector ) && testContext( context.parentNode ) || + context; + + // We can use :scope instead of the ID hack if the browser + // supports it & if we're not changing the context. + if ( newContext !== context || !support.scope ) { + + // Capture the context ID, setting it first if necessary + if ( ( nid = context.getAttribute( "id" ) ) ) { + nid = nid.replace( rcssescape, fcssescape ); + } else { + context.setAttribute( "id", ( nid = expando ) ); + } + } - // Support: IE8 - // Enforce case-sensitivity of name attribute - if ( div.querySelectorAll("[name=d]").length ) { - rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); - } + // Prefix every selector in the list + groups = tokenize( selector ); + i = groups.length; + while ( i-- ) { + groups[ i ] = ( nid ? "#" + nid : ":scope" ) + " " + + toSelector( groups[ i ] ); + } + newSelector = groups.join( "," ); + } - // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) - // IE8 throws error here and will not see later tests - if ( !div.querySelectorAll(":enabled").length ) { - rbuggyQSA.push( ":enabled", ":disabled" ); + try { + push.apply( results, + newContext.querySelectorAll( newSelector ) + ); + return results; + } catch ( qsaError ) { + nonnativeSelectorCache( selector, true ); + } finally { + if ( nid === expando ) { + context.removeAttribute( "id" ); + } + } + } + } + } + + // All others + return select( selector.replace( rtrim, "$1" ), context, results, seed ); } - // Opera 10-11 does not throw on post-comma invalid pseudos - div.querySelectorAll("*,:x"); - rbuggyQSA.push(",.*:"); - }); - } + /** + * Create key-value caches of limited size + * @returns {function(string, object)} Returns the Object data after storing it on itself with + * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) + * deleting the oldest entry + */ + function createCache() { + var keys = []; - if ( (support.matchesSelector = rnative.test( (matches = docElem.matches || - docElem.webkitMatchesSelector || - docElem.mozMatchesSelector || - docElem.oMatchesSelector || - docElem.msMatchesSelector) )) ) { - - assert(function( div ) { - // Check to see if it's possible to do matchesSelector - // on a disconnected node (IE 9) - support.disconnectedMatch = matches.call( div, "div" ); - - // This should fail with an exception - // Gecko does not error, returns false instead - matches.call( div, "[s!='']:x" ); - rbuggyMatches.push( "!=", pseudos ); - }); - } + function cache( key, value ) { - rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") ); - rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") ); + // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) + if ( keys.push( key + " " ) > Expr.cacheLength ) { - /* Contains - ---------------------------------------------------------------------- */ - hasCompare = rnative.test( docElem.compareDocumentPosition ); - - // Element contains another - // Purposefully does not implement inclusive descendent - // As in, an element does not contain itself - contains = hasCompare || rnative.test( docElem.contains ) ? - function( a, b ) { - var adown = a.nodeType === 9 ? a.documentElement : a, - bup = b && b.parentNode; - return a === bup || !!( bup && bup.nodeType === 1 && ( - adown.contains ? - adown.contains( bup ) : - a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 - )); - } : - function( a, b ) { - if ( b ) { - while ( (b = b.parentNode) ) { - if ( b === a ) { - return true; + // Only keep the most recent entries + delete cache[ keys.shift() ]; } + return ( cache[ key + " " ] = value ); } + return cache; } - return false; - }; - - /* Sorting - ---------------------------------------------------------------------- */ - - // Document order sorting - sortOrder = hasCompare ? - function( a, b ) { - // Flag for duplicate removal - if ( a === b ) { - hasDuplicate = true; - return 0; - } - - // Sort on method existence if only one input has compareDocumentPosition - var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; - if ( compare ) { - return compare; - } - - // Calculate position if both inputs belong to the same document - compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ? - a.compareDocumentPosition( b ) : - - // Otherwise we know they are disconnected - 1; - - // Disconnected nodes - if ( compare & 1 || - (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) { - - // Choose the first element that is related to our preferred document - if ( a === doc || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) { - return -1; + /** + * Mark a function for special use by Sizzle + * @param {Function} fn The function to mark + */ + function markFunction( fn ) { + fn[ expando ] = true; + return fn; } - if ( b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) { - return 1; - } - - // Maintain original order - return sortInput ? - ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : - 0; - } - - return compare & 4 ? -1 : 1; - } : - function( a, b ) { - // Exit early if the nodes are identical - if ( a === b ) { - hasDuplicate = true; - return 0; - } - var cur, - i = 0, - aup = a.parentNode, - bup = b.parentNode, - ap = [ a ], - bp = [ b ]; - - // Parentless nodes are either documents or disconnected - if ( !aup || !bup ) { - return a === doc ? -1 : - b === doc ? 1 : - aup ? -1 : - bup ? 1 : - sortInput ? - ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : - 0; - - // If the nodes are siblings, we can do a quick check - } else if ( aup === bup ) { - return siblingCheck( a, b ); - } - - // Otherwise we need full lists of their ancestors for comparison - cur = a; - while ( (cur = cur.parentNode) ) { - ap.unshift( cur ); - } - cur = b; - while ( (cur = cur.parentNode) ) { - bp.unshift( cur ); - } - - // Walk down the tree looking for a discrepancy - while ( ap[i] === bp[i] ) { - i++; - } + /** + * Support testing using an element + * @param {Function} fn Passed the created element and returns a boolean result + */ + function assert( fn ) { + var el = document.createElement( "fieldset" ); - return i ? - // Do a sibling check if the nodes have a common ancestor - siblingCheck( ap[i], bp[i] ) : + try { + return !!fn( el ); + } catch ( e ) { + return false; + } finally { - // Otherwise nodes in our document sort first - ap[i] === preferredDoc ? -1 : - bp[i] === preferredDoc ? 1 : - 0; - }; + // Remove from its parent by default + if ( el.parentNode ) { + el.parentNode.removeChild( el ); + } - return doc; -}; + // release memory in IE + el = null; + } + } -Sizzle.matches = function( expr, elements ) { - return Sizzle( expr, null, null, elements ); -}; + /** + * Adds the same handler for all of the specified attrs + * @param {String} attrs Pipe-separated list of attributes + * @param {Function} handler The method that will be applied + */ + function addHandle( attrs, handler ) { + var arr = attrs.split( "|" ), + i = arr.length; -Sizzle.matchesSelector = function( elem, expr ) { - // Set document vars if needed - if ( ( elem.ownerDocument || elem ) !== document ) { - setDocument( elem ); - } + while ( i-- ) { + Expr.attrHandle[ arr[ i ] ] = handler; + } + } - // Make sure that attribute selectors are quoted - expr = expr.replace( rattributeQuotes, "='$1']" ); + /** + * Checks document order of two siblings + * @param {Element} a + * @param {Element} b + * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b + */ + function siblingCheck( a, b ) { + var cur = b && a, + diff = cur && a.nodeType === 1 && b.nodeType === 1 && + a.sourceIndex - b.sourceIndex; - if ( support.matchesSelector && documentIsHTML && - ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && - ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) { + // Use IE sourceIndex if available on both nodes + if ( diff ) { + return diff; + } - try { - var ret = matches.call( elem, expr ); + // Check if b follows a + if ( cur ) { + while ( ( cur = cur.nextSibling ) ) { + if ( cur === b ) { + return -1; + } + } + } - // IE 9's matchesSelector returns false on disconnected nodes - if ( ret || support.disconnectedMatch || - // As well, disconnected nodes are said to be in a document - // fragment in IE 9 - elem.document && elem.document.nodeType !== 11 ) { - return ret; + return a ? 1 : -1; } - } catch (e) {} - } - return Sizzle( expr, document, null, [ elem ] ).length > 0; -}; + /** + * Returns a function to use in pseudos for input types + * @param {String} type + */ + function createInputPseudo( type ) { + return function( elem ) { + var name = elem.nodeName.toLowerCase(); + return name === "input" && elem.type === type; + }; + } -Sizzle.contains = function( context, elem ) { - // Set document vars if needed - if ( ( context.ownerDocument || context ) !== document ) { - setDocument( context ); - } - return contains( context, elem ); -}; + /** + * Returns a function to use in pseudos for buttons + * @param {String} type + */ + function createButtonPseudo( type ) { + return function( elem ) { + var name = elem.nodeName.toLowerCase(); + return ( name === "input" || name === "button" ) && elem.type === type; + }; + } -Sizzle.attr = function( elem, name ) { - // Set document vars if needed - if ( ( elem.ownerDocument || elem ) !== document ) { - setDocument( elem ); - } + /** + * Returns a function to use in pseudos for :enabled/:disabled + * @param {Boolean} disabled true for :disabled; false for :enabled + */ + function createDisabledPseudo( disabled ) { + + // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable + return function( elem ) { + + // Only certain elements can match :enabled or :disabled + // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled + // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled + if ( "form" in elem ) { + + // Check for inherited disabledness on relevant non-disabled elements: + // * listed form-associated elements in a disabled fieldset + // https://html.spec.whatwg.org/multipage/forms.html#category-listed + // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled + // * option elements in a disabled optgroup + // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled + // All such elements have a "form" property. + if ( elem.parentNode && elem.disabled === false ) { + + // Option elements defer to a parent optgroup if present + if ( "label" in elem ) { + if ( "label" in elem.parentNode ) { + return elem.parentNode.disabled === disabled; + } else { + return elem.disabled === disabled; + } + } - var fn = Expr.attrHandle[ name.toLowerCase() ], - // Don't get fooled by Object.prototype properties (jQuery #13807) - val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? - fn( elem, name, !documentIsHTML ) : - undefined; - - return val !== undefined ? - val : - support.attributes || !documentIsHTML ? - elem.getAttribute( name ) : - (val = elem.getAttributeNode(name)) && val.specified ? - val.value : - null; -}; + // Support: IE 6 - 11 + // Use the isDisabled shortcut property to check for disabled fieldset ancestors + return elem.isDisabled === disabled || -Sizzle.error = function( msg ) { - throw new Error( "Syntax error, unrecognized expression: " + msg ); -}; + // Where there is no isDisabled, check manually + /* jshint -W018 */ + elem.isDisabled !== !disabled && + inDisabledFieldset( elem ) === disabled; + } -/** - * Document sorting and removing duplicates - * @param {ArrayLike} results - */ -Sizzle.uniqueSort = function( results ) { - var elem, - duplicates = [], - j = 0, - i = 0; + return elem.disabled === disabled; - // Unless we *know* we can detect duplicates, assume their presence - hasDuplicate = !support.detectDuplicates; - sortInput = !support.sortStable && results.slice( 0 ); - results.sort( sortOrder ); + // Try to winnow out elements that can't be disabled before trusting the disabled property. + // Some victims get caught in our net (label, legend, menu, track), but it shouldn't + // even exist on them, let alone have a boolean value. + } else if ( "label" in elem ) { + return elem.disabled === disabled; + } - if ( hasDuplicate ) { - while ( (elem = results[i++]) ) { - if ( elem === results[ i ] ) { - j = duplicates.push( i ); + // Remaining elements are neither :enabled nor :disabled + return false; + }; } - } - while ( j-- ) { - results.splice( duplicates[ j ], 1 ); - } - } - // Clear input after sorting to release objects - // See https://github.com/jquery/sizzle/pull/225 - sortInput = null; + /** + * Returns a function to use in pseudos for positionals + * @param {Function} fn + */ + function createPositionalPseudo( fn ) { + return markFunction( function( argument ) { + argument = +argument; + return markFunction( function( seed, matches ) { + var j, + matchIndexes = fn( [], seed.length, argument ), + i = matchIndexes.length; - return results; -}; + // Match elements found at the specified indexes + while ( i-- ) { + if ( seed[ ( j = matchIndexes[ i ] ) ] ) { + seed[ j ] = !( matches[ j ] = seed[ j ] ); + } + } + } ); + } ); + } -/** - * Utility function for retrieving the text value of an array of DOM nodes - * @param {Array|Element} elem - */ -getText = Sizzle.getText = function( elem ) { - var node, - ret = "", - i = 0, - nodeType = elem.nodeType; - - if ( !nodeType ) { - // If no nodeType, this is expected to be an array - while ( (node = elem[i++]) ) { - // Do not traverse comment nodes - ret += getText( node ); - } - } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { - // Use textContent for elements - // innerText usage removed for consistency of new lines (jQuery #11153) - if ( typeof elem.textContent === "string" ) { - return elem.textContent; - } else { - // Traverse its children - for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { - ret += getText( elem ); + /** + * Checks a node for validity as a Sizzle context + * @param {Element|Object=} context + * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value + */ + function testContext( context ) { + return context && typeof context.getElementsByTagName !== "undefined" && context; } - } - } else if ( nodeType === 3 || nodeType === 4 ) { - return elem.nodeValue; - } - // Do not include comment or processing instruction nodes - return ret; -}; +// Expose support vars for convenience + support = Sizzle.support = {}; + + /** + * Detects XML nodes + * @param {Element|Object} elem An element or a document + * @returns {Boolean} True iff elem is a non-HTML XML node + */ + isXML = Sizzle.isXML = function( elem ) { + var namespace = elem.namespaceURI, + docElem = ( elem.ownerDocument || elem ).documentElement; + + // Support: IE <=8 + // Assume HTML when documentElement doesn't yet exist, such as inside loading iframes + // https://bugs.jquery.com/ticket/4833 + return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" ); + }; -Expr = Sizzle.selectors = { + /** + * Sets document-related variables once based on the current document + * @param {Element|Object} [doc] An element or document object to use to set the document + * @returns {Object} Returns the current document + */ + setDocument = Sizzle.setDocument = function( node ) { + var hasCompare, subWindow, + doc = node ? node.ownerDocument || node : preferredDoc; + + // Return early if doc is invalid or already selected + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( doc == document || doc.nodeType !== 9 || !doc.documentElement ) { + return document; + } + + // Update global variables + document = doc; + docElem = document.documentElement; + documentIsHTML = !isXML( document ); + + // Support: IE 9 - 11+, Edge 12 - 18+ + // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936) + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( preferredDoc != document && + ( subWindow = document.defaultView ) && subWindow.top !== subWindow ) { + + // Support: IE 11, Edge + if ( subWindow.addEventListener ) { + subWindow.addEventListener( "unload", unloadHandler, false ); + + // Support: IE 9 - 10 only + } else if ( subWindow.attachEvent ) { + subWindow.attachEvent( "onunload", unloadHandler ); + } + } - // Can be adjusted by the user - cacheLength: 50, + // Support: IE 8 - 11+, Edge 12 - 18+, Chrome <=16 - 25 only, Firefox <=3.6 - 31 only, + // Safari 4 - 5 only, Opera <=11.6 - 12.x only + // IE/Edge & older browsers don't support the :scope pseudo-class. + // Support: Safari 6.0 only + // Safari 6.0 supports :scope but it's an alias of :root there. + support.scope = assert( function( el ) { + docElem.appendChild( el ).appendChild( document.createElement( "div" ) ); + return typeof el.querySelectorAll !== "undefined" && + !el.querySelectorAll( ":scope fieldset div" ).length; + } ); - createPseudo: markFunction, + /* Attributes + ---------------------------------------------------------------------- */ - match: matchExpr, + // Support: IE<8 + // Verify that getAttribute really returns attributes and not properties + // (excepting IE8 booleans) + support.attributes = assert( function( el ) { + el.className = "i"; + return !el.getAttribute( "className" ); + } ); + + /* getElement(s)By* + ---------------------------------------------------------------------- */ - attrHandle: {}, + // Check if getElementsByTagName("*") returns only elements + support.getElementsByTagName = assert( function( el ) { + el.appendChild( document.createComment( "" ) ); + return !el.getElementsByTagName( "*" ).length; + } ); + + // Support: IE<9 + support.getElementsByClassName = rnative.test( document.getElementsByClassName ); + + // Support: IE<10 + // Check if getElementById returns elements by name + // The broken getElementById methods don't pick up programmatically-set names, + // so use a roundabout getElementsByName test + support.getById = assert( function( el ) { + docElem.appendChild( el ).id = expando; + return !document.getElementsByName || !document.getElementsByName( expando ).length; + } ); + + // ID filter and find + if ( support.getById ) { + Expr.filter[ "ID" ] = function( id ) { + var attrId = id.replace( runescape, funescape ); + return function( elem ) { + return elem.getAttribute( "id" ) === attrId; + }; + }; + Expr.find[ "ID" ] = function( id, context ) { + if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { + var elem = context.getElementById( id ); + return elem ? [ elem ] : []; + } + }; + } else { + Expr.filter[ "ID" ] = function( id ) { + var attrId = id.replace( runescape, funescape ); + return function( elem ) { + var node = typeof elem.getAttributeNode !== "undefined" && + elem.getAttributeNode( "id" ); + return node && node.value === attrId; + }; + }; - find: {}, + // Support: IE 6 - 7 only + // getElementById is not reliable as a find shortcut + Expr.find[ "ID" ] = function( id, context ) { + if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { + var node, i, elems, + elem = context.getElementById( id ); - relative: { - ">": { dir: "parentNode", first: true }, - " ": { dir: "parentNode" }, - "+": { dir: "previousSibling", first: true }, - "~": { dir: "previousSibling" } - }, + if ( elem ) { - preFilter: { - "ATTR": function( match ) { - match[1] = match[1].replace( runescape, funescape ); + // Verify the id attribute + node = elem.getAttributeNode( "id" ); + if ( node && node.value === id ) { + return [ elem ]; + } - // Move the given value to match[3] whether quoted or unquoted - match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape ); + // Fall back on getElementsByName + elems = context.getElementsByName( id ); + i = 0; + while ( ( elem = elems[ i++ ] ) ) { + node = elem.getAttributeNode( "id" ); + if ( node && node.value === id ) { + return [ elem ]; + } + } + } - if ( match[2] === "~=" ) { - match[3] = " " + match[3] + " "; - } + return []; + } + }; + } - return match.slice( 0, 4 ); - }, + // Tag + Expr.find[ "TAG" ] = support.getElementsByTagName ? + function( tag, context ) { + if ( typeof context.getElementsByTagName !== "undefined" ) { + return context.getElementsByTagName( tag ); - "CHILD": function( match ) { - /* matches from matchExpr["CHILD"] - 1 type (only|nth|...) - 2 what (child|of-type) - 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) - 4 xn-component of xn+y argument ([+-]?\d*n|) - 5 sign of xn-component - 6 x of xn-component - 7 sign of y-component - 8 y of y-component - */ - match[1] = match[1].toLowerCase(); + // DocumentFragment nodes don't have gEBTN + } else if ( support.qsa ) { + return context.querySelectorAll( tag ); + } + } : - if ( match[1].slice( 0, 3 ) === "nth" ) { - // nth-* requires argument - if ( !match[3] ) { - Sizzle.error( match[0] ); - } + function( tag, context ) { + var elem, + tmp = [], + i = 0, - // numeric x and y parameters for Expr.filter.CHILD - // remember that false/true cast respectively to 0/1 - match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) ); - match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" ); + // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too + results = context.getElementsByTagName( tag ); - // other types prohibit arguments - } else if ( match[3] ) { - Sizzle.error( match[0] ); - } + // Filter out possible comments + if ( tag === "*" ) { + while ( ( elem = results[ i++ ] ) ) { + if ( elem.nodeType === 1 ) { + tmp.push( elem ); + } + } - return match; - }, + return tmp; + } + return results; + }; - "PSEUDO": function( match ) { - var excess, - unquoted = !match[6] && match[2]; + // Class + Expr.find[ "CLASS" ] = support.getElementsByClassName && function( className, context ) { + if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) { + return context.getElementsByClassName( className ); + } + }; - if ( matchExpr["CHILD"].test( match[0] ) ) { - return null; - } + /* QSA/matchesSelector + ---------------------------------------------------------------------- */ - // Accept quoted arguments as-is - if ( match[3] ) { - match[2] = match[4] || match[5] || ""; + // QSA and matchesSelector support + + // matchesSelector(:active) reports false when true (IE9/Opera 11.5) + rbuggyMatches = []; + + // qSa(:focus) reports false when true (Chrome 21) + // We allow this because of a bug in IE8/9 that throws an error + // whenever `document.activeElement` is accessed on an iframe + // So, we allow :focus to pass through QSA all the time to avoid the IE error + // See https://bugs.jquery.com/ticket/13378 + rbuggyQSA = []; + + if ( ( support.qsa = rnative.test( document.querySelectorAll ) ) ) { + + // Build QSA regex + // Regex strategy adopted from Diego Perini + assert( function( el ) { + + var input; + + // Select is set to empty string on purpose + // This is to test IE's treatment of not explicitly + // setting a boolean content attribute, + // since its presence should be enough + // https://bugs.jquery.com/ticket/12359 + docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" + + "<select id='" + expando + "-\r\\' msallowcapture=''>" + + "<option selected=''></option></select>"; + + // Support: IE8, Opera 11-12.16 + // Nothing should be selected when empty strings follow ^= or $= or *= + // The test attribute must be unknown in Opera but "safe" for WinRT + // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section + if ( el.querySelectorAll( "[msallowcapture^='']" ).length ) { + rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); + } - // Strip excess characters from unquoted arguments - } else if ( unquoted && rpseudo.test( unquoted ) && - // Get excess from tokenize (recursively) - (excess = tokenize( unquoted, true )) && - // advance to the next closing parenthesis - (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) { + // Support: IE8 + // Boolean attributes and "value" are not treated correctly + if ( !el.querySelectorAll( "[selected]" ).length ) { + rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); + } - // excess is a negative index - match[0] = match[0].slice( 0, excess ); - match[2] = unquoted.slice( 0, excess ); - } + // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+ + if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) { + rbuggyQSA.push( "~=" ); + } - // Return only captures needed by the pseudo filter method (type and argument) - return match.slice( 0, 3 ); - } - }, + // Support: IE 11+, Edge 15 - 18+ + // IE 11/Edge don't find elements on a `[name='']` query in some cases. + // Adding a temporary attribute to the document before the selection works + // around the issue. + // Interestingly, IE 10 & older don't seem to have the issue. + input = document.createElement( "input" ); + input.setAttribute( "name", "" ); + el.appendChild( input ); + if ( !el.querySelectorAll( "[name='']" ).length ) { + rbuggyQSA.push( "\\[" + whitespace + "*name" + whitespace + "*=" + + whitespace + "*(?:''|\"\")" ); + } - filter: { + // Webkit/Opera - :checked should return selected option elements + // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked + // IE8 throws error here and will not see later tests + if ( !el.querySelectorAll( ":checked" ).length ) { + rbuggyQSA.push( ":checked" ); + } - "TAG": function( nodeNameSelector ) { - var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); - return nodeNameSelector === "*" ? - function() { return true; } : - function( elem ) { - return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; - }; - }, + // Support: Safari 8+, iOS 8+ + // https://bugs.webkit.org/show_bug.cgi?id=136851 + // In-page `selector#id sibling-combinator selector` fails + if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) { + rbuggyQSA.push( ".#.+[+~]" ); + } - "CLASS": function( className ) { - var pattern = classCache[ className + " " ]; + // Support: Firefox <=3.6 - 5 only + // Old Firefox doesn't throw on a badly-escaped identifier. + el.querySelectorAll( "\\\f" ); + rbuggyQSA.push( "[\\r\\n\\f]" ); + } ); + + assert( function( el ) { + el.innerHTML = "<a href='' disabled='disabled'></a>" + + "<select disabled='disabled'><option/></select>"; + + // Support: Windows 8 Native Apps + // The type and name attributes are restricted during .innerHTML assignment + var input = document.createElement( "input" ); + input.setAttribute( "type", "hidden" ); + el.appendChild( input ).setAttribute( "name", "D" ); + + // Support: IE8 + // Enforce case-sensitivity of name attribute + if ( el.querySelectorAll( "[name=d]" ).length ) { + rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); + } - return pattern || - (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) && - classCache( className, function( elem ) { - return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" ); - }); - }, + // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) + // IE8 throws error here and will not see later tests + if ( el.querySelectorAll( ":enabled" ).length !== 2 ) { + rbuggyQSA.push( ":enabled", ":disabled" ); + } - "ATTR": function( name, operator, check ) { - return function( elem ) { - var result = Sizzle.attr( elem, name ); + // Support: IE9-11+ + // IE's :disabled selector does not pick up the children of disabled fieldsets + docElem.appendChild( el ).disabled = true; + if ( el.querySelectorAll( ":disabled" ).length !== 2 ) { + rbuggyQSA.push( ":enabled", ":disabled" ); + } - if ( result == null ) { - return operator === "!="; - } - if ( !operator ) { - return true; + // Support: Opera 10 - 11 only + // Opera 10-11 does not throw on post-comma invalid pseudos + el.querySelectorAll( "*,:x" ); + rbuggyQSA.push( ",.*:" ); + } ); } - result += ""; - - return operator === "=" ? result === check : - operator === "!=" ? result !== check : - operator === "^=" ? check && result.indexOf( check ) === 0 : - operator === "*=" ? check && result.indexOf( check ) > -1 : - operator === "$=" ? check && result.slice( -check.length ) === check : - operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 : - operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : - false; - }; - }, - - "CHILD": function( type, what, argument, first, last ) { - var simple = type.slice( 0, 3 ) !== "nth", - forward = type.slice( -4 ) !== "last", - ofType = what === "of-type"; + if ( ( support.matchesSelector = rnative.test( ( matches = docElem.matches || + docElem.webkitMatchesSelector || + docElem.mozMatchesSelector || + docElem.oMatchesSelector || + docElem.msMatchesSelector ) ) ) ) { - return first === 1 && last === 0 ? + assert( function( el ) { - // Shortcut for :nth-*(n) - function( elem ) { - return !!elem.parentNode; - } : + // Check to see if it's possible to do matchesSelector + // on a disconnected node (IE 9) + support.disconnectedMatch = matches.call( el, "*" ); - function( elem, context, xml ) { - var cache, outerCache, node, diff, nodeIndex, start, - dir = simple !== forward ? "nextSibling" : "previousSibling", - parent = elem.parentNode, - name = ofType && elem.nodeName.toLowerCase(), - useCache = !xml && !ofType; + // This should fail with an exception + // Gecko does not error, returns false instead + matches.call( el, "[s!='']:x" ); + rbuggyMatches.push( "!=", pseudos ); + } ); + } - if ( parent ) { + rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join( "|" ) ); + rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join( "|" ) ); - // :(first|last|only)-(child|of-type) - if ( simple ) { - while ( dir ) { - node = elem; - while ( (node = node[ dir ]) ) { - if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) { - return false; - } + /* Contains + ---------------------------------------------------------------------- */ + hasCompare = rnative.test( docElem.compareDocumentPosition ); + + // Element contains another + // Purposefully self-exclusive + // As in, an element does not contain itself + contains = hasCompare || rnative.test( docElem.contains ) ? + function( a, b ) { + var adown = a.nodeType === 9 ? a.documentElement : a, + bup = b && b.parentNode; + return a === bup || !!( bup && bup.nodeType === 1 && ( + adown.contains ? + adown.contains( bup ) : + a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 + ) ); + } : + function( a, b ) { + if ( b ) { + while ( ( b = b.parentNode ) ) { + if ( b === a ) { + return true; } - // Reverse direction for :only-* (if we haven't yet done so) - start = dir = type === "only" && !start && "nextSibling"; } - return true; } + return false; + }; - start = [ forward ? parent.firstChild : parent.lastChild ]; + /* Sorting + ---------------------------------------------------------------------- */ - // non-xml :nth-child(...) stores cache data on `parent` - if ( forward && useCache ) { - // Seek `elem` from a previously-cached index - outerCache = parent[ expando ] || (parent[ expando ] = {}); - cache = outerCache[ type ] || []; - nodeIndex = cache[0] === dirruns && cache[1]; - diff = cache[0] === dirruns && cache[2]; - node = nodeIndex && parent.childNodes[ nodeIndex ]; + // Document order sorting + sortOrder = hasCompare ? + function( a, b ) { - while ( (node = ++nodeIndex && node && node[ dir ] || + // Flag for duplicate removal + if ( a === b ) { + hasDuplicate = true; + return 0; + } - // Fallback to seeking `elem` from the start - (diff = nodeIndex = 0) || start.pop()) ) { + // Sort on method existence if only one input has compareDocumentPosition + var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; + if ( compare ) { + return compare; + } - // When found, cache indexes on `parent` and break - if ( node.nodeType === 1 && ++diff && node === elem ) { - outerCache[ type ] = [ dirruns, nodeIndex, diff ]; - break; - } + // Calculate position if both inputs belong to the same document + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + compare = ( a.ownerDocument || a ) == ( b.ownerDocument || b ) ? + a.compareDocumentPosition( b ) : + + // Otherwise we know they are disconnected + 1; + + // Disconnected nodes + if ( compare & 1 || + ( !support.sortDetached && b.compareDocumentPosition( a ) === compare ) ) { + + // Choose the first element that is related to our preferred document + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( a == document || a.ownerDocument == preferredDoc && + contains( preferredDoc, a ) ) { + return -1; } - // Use previously-cached element index if available - } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) { - diff = cache[1]; + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( b == document || b.ownerDocument == preferredDoc && + contains( preferredDoc, b ) ) { + return 1; + } - // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...) - } else { - // Use the same loop as above to seek `elem` from the start - while ( (node = ++nodeIndex && node && node[ dir ] || - (diff = nodeIndex = 0) || start.pop()) ) { - - if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) { - // Cache the index of each encountered element - if ( useCache ) { - (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ]; - } + // Maintain original order + return sortInput ? + ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : + 0; + } - if ( node === elem ) { - break; - } - } - } + return compare & 4 ? -1 : 1; + } : + function( a, b ) { + + // Exit early if the nodes are identical + if ( a === b ) { + hasDuplicate = true; + return 0; } - // Incorporate the offset, then check against cycle size - diff -= last; - return diff === first || ( diff % first === 0 && diff / first >= 0 ); - } - }; - }, + var cur, + i = 0, + aup = a.parentNode, + bup = b.parentNode, + ap = [ a ], + bp = [ b ]; + + // Parentless nodes are either documents or disconnected + if ( !aup || !bup ) { + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + /* eslint-disable eqeqeq */ + return a == document ? -1 : + b == document ? 1 : + /* eslint-enable eqeqeq */ + aup ? -1 : + bup ? 1 : + sortInput ? + ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : + 0; + + // If the nodes are siblings, we can do a quick check + } else if ( aup === bup ) { + return siblingCheck( a, b ); + } - "PSEUDO": function( pseudo, argument ) { - // pseudo-class names are case-insensitive - // http://www.w3.org/TR/selectors/#pseudo-classes - // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters - // Remember that setFilters inherits from pseudos - var args, - fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || - Sizzle.error( "unsupported pseudo: " + pseudo ); - - // The user may use createPseudo to indicate that - // arguments are needed to create the filter function - // just as Sizzle does - if ( fn[ expando ] ) { - return fn( argument ); - } - - // But maintain support for old signatures - if ( fn.length > 1 ) { - args = [ pseudo, pseudo, "", argument ]; - return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? - markFunction(function( seed, matches ) { - var idx, - matched = fn( seed, argument ), - i = matched.length; - while ( i-- ) { - idx = indexOf( seed, matched[i] ); - seed[ idx ] = !( matches[ idx ] = matched[i] ); + // Otherwise we need full lists of their ancestors for comparison + cur = a; + while ( ( cur = cur.parentNode ) ) { + ap.unshift( cur ); + } + cur = b; + while ( ( cur = cur.parentNode ) ) { + bp.unshift( cur ); } - }) : - function( elem ) { - return fn( elem, 0, args ); - }; - } - return fn; - } - }, + // Walk down the tree looking for a discrepancy + while ( ap[ i ] === bp[ i ] ) { + i++; + } - pseudos: { - // Potentially complex pseudos - "not": markFunction(function( selector ) { - // Trim the selector passed to compile - // to avoid treating leading and trailing - // spaces as combinators - var input = [], - results = [], - matcher = compile( selector.replace( rtrim, "$1" ) ); + return i ? - return matcher[ expando ] ? - markFunction(function( seed, matches, context, xml ) { - var elem, - unmatched = matcher( seed, null, xml, [] ), - i = seed.length; + // Do a sibling check if the nodes have a common ancestor + siblingCheck( ap[ i ], bp[ i ] ) : - // Match elements unmatched by `matcher` - while ( i-- ) { - if ( (elem = unmatched[i]) ) { - seed[i] = !(matches[i] = elem); - } - } - }) : - function( elem, context, xml ) { - input[0] = elem; - matcher( input, null, xml, results ); - // Don't keep the element (issue #299) - input[0] = null; - return !results.pop(); - }; - }), + // Otherwise nodes in our document sort first + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + /* eslint-disable eqeqeq */ + ap[ i ] == preferredDoc ? -1 : + bp[ i ] == preferredDoc ? 1 : + /* eslint-enable eqeqeq */ + 0; + }; - "has": markFunction(function( selector ) { - return function( elem ) { - return Sizzle( selector, elem ).length > 0; + return document; }; - }), - "contains": markFunction(function( text ) { - text = text.replace( runescape, funescape ); - return function( elem ) { - return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1; - }; - }), - - // "Whether an element is represented by a :lang() selector - // is based solely on the element's language value - // being equal to the identifier C, - // or beginning with the identifier C immediately followed by "-". - // The matching of C against the element's language value is performed case-insensitively. - // The identifier C does not have to be a valid language name." - // http://www.w3.org/TR/selectors/#lang-pseudo - "lang": markFunction( function( lang ) { - // lang value must be a valid identifier - if ( !ridentifier.test(lang || "") ) { - Sizzle.error( "unsupported lang: " + lang ); - } - lang = lang.replace( runescape, funescape ).toLowerCase(); - return function( elem ) { - var elemLang; - do { - if ( (elemLang = documentIsHTML ? - elem.lang : - elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) { - - elemLang = elemLang.toLowerCase(); - return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; - } - } while ( (elem = elem.parentNode) && elem.nodeType === 1 ); - return false; + Sizzle.matches = function( expr, elements ) { + return Sizzle( expr, null, null, elements ); }; - }), - // Miscellaneous - "target": function( elem ) { - var hash = window.location && window.location.hash; - return hash && hash.slice( 1 ) === elem.id; - }, + Sizzle.matchesSelector = function( elem, expr ) { + setDocument( elem ); - "root": function( elem ) { - return elem === docElem; - }, + if ( support.matchesSelector && documentIsHTML && + !nonnativeSelectorCache[ expr + " " ] && + ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && + ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) { - "focus": function( elem ) { - return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex); - }, + try { + var ret = matches.call( elem, expr ); - // Boolean properties - "enabled": function( elem ) { - return elem.disabled === false; - }, + // IE 9's matchesSelector returns false on disconnected nodes + if ( ret || support.disconnectedMatch || - "disabled": function( elem ) { - return elem.disabled === true; - }, + // As well, disconnected nodes are said to be in a document + // fragment in IE 9 + elem.document && elem.document.nodeType !== 11 ) { + return ret; + } + } catch ( e ) { + nonnativeSelectorCache( expr, true ); + } + } - "checked": function( elem ) { - // In CSS3, :checked should return both checked and selected elements - // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked - var nodeName = elem.nodeName.toLowerCase(); - return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected); - }, + return Sizzle( expr, document, null, [ elem ] ).length > 0; + }; - "selected": function( elem ) { - // Accessing this property makes selected-by-default - // options in Safari work properly - if ( elem.parentNode ) { - elem.parentNode.selectedIndex; - } + Sizzle.contains = function( context, elem ) { - return elem.selected === true; - }, + // Set document vars if needed + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( ( context.ownerDocument || context ) != document ) { + setDocument( context ); + } + return contains( context, elem ); + }; - // Contents - "empty": function( elem ) { - // http://www.w3.org/TR/selectors/#empty-pseudo - // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), - // but not by others (comment: 8; processing instruction: 7; etc.) - // nodeType < 6 works because attributes (2) do not appear as children - for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { - if ( elem.nodeType < 6 ) { - return false; + Sizzle.attr = function( elem, name ) { + + // Set document vars if needed + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( ( elem.ownerDocument || elem ) != document ) { + setDocument( elem ); } - } - return true; - }, - "parent": function( elem ) { - return !Expr.pseudos["empty"]( elem ); - }, + var fn = Expr.attrHandle[ name.toLowerCase() ], - // Element/input types - "header": function( elem ) { - return rheader.test( elem.nodeName ); - }, + // Don't get fooled by Object.prototype properties (jQuery #13807) + val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? + fn( elem, name, !documentIsHTML ) : + undefined; - "input": function( elem ) { - return rinputs.test( elem.nodeName ); - }, + return val !== undefined ? + val : + support.attributes || !documentIsHTML ? + elem.getAttribute( name ) : + ( val = elem.getAttributeNode( name ) ) && val.specified ? + val.value : + null; + }; - "button": function( elem ) { - var name = elem.nodeName.toLowerCase(); - return name === "input" && elem.type === "button" || name === "button"; - }, + Sizzle.escape = function( sel ) { + return ( sel + "" ).replace( rcssescape, fcssescape ); + }; - "text": function( elem ) { - var attr; - return elem.nodeName.toLowerCase() === "input" && - elem.type === "text" && + Sizzle.error = function( msg ) { + throw new Error( "Syntax error, unrecognized expression: " + msg ); + }; - // Support: IE<8 - // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" - ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" ); - }, + /** + * Document sorting and removing duplicates + * @param {ArrayLike} results + */ + Sizzle.uniqueSort = function( results ) { + var elem, + duplicates = [], + j = 0, + i = 0; + + // Unless we *know* we can detect duplicates, assume their presence + hasDuplicate = !support.detectDuplicates; + sortInput = !support.sortStable && results.slice( 0 ); + results.sort( sortOrder ); + + if ( hasDuplicate ) { + while ( ( elem = results[ i++ ] ) ) { + if ( elem === results[ i ] ) { + j = duplicates.push( i ); + } + } + while ( j-- ) { + results.splice( duplicates[ j ], 1 ); + } + } - // Position-in-collection - "first": createPositionalPseudo(function() { - return [ 0 ]; - }), + // Clear input after sorting to release objects + // See https://github.com/jquery/sizzle/pull/225 + sortInput = null; - "last": createPositionalPseudo(function( matchIndexes, length ) { - return [ length - 1 ]; - }), + return results; + }; - "eq": createPositionalPseudo(function( matchIndexes, length, argument ) { - return [ argument < 0 ? argument + length : argument ]; - }), + /** + * Utility function for retrieving the text value of an array of DOM nodes + * @param {Array|Element} elem + */ + getText = Sizzle.getText = function( elem ) { + var node, + ret = "", + i = 0, + nodeType = elem.nodeType; - "even": createPositionalPseudo(function( matchIndexes, length ) { - var i = 0; - for ( ; i < length; i += 2 ) { - matchIndexes.push( i ); - } - return matchIndexes; - }), + if ( !nodeType ) { - "odd": createPositionalPseudo(function( matchIndexes, length ) { - var i = 1; - for ( ; i < length; i += 2 ) { - matchIndexes.push( i ); - } - return matchIndexes; - }), + // If no nodeType, this is expected to be an array + while ( ( node = elem[ i++ ] ) ) { - "lt": createPositionalPseudo(function( matchIndexes, length, argument ) { - var i = argument < 0 ? argument + length : argument; - for ( ; --i >= 0; ) { - matchIndexes.push( i ); - } - return matchIndexes; - }), + // Do not traverse comment nodes + ret += getText( node ); + } + } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { - "gt": createPositionalPseudo(function( matchIndexes, length, argument ) { - var i = argument < 0 ? argument + length : argument; - for ( ; ++i < length; ) { - matchIndexes.push( i ); - } - return matchIndexes; - }) - } -}; + // Use textContent for elements + // innerText usage removed for consistency of new lines (jQuery #11153) + if ( typeof elem.textContent === "string" ) { + return elem.textContent; + } else { -Expr.pseudos["nth"] = Expr.pseudos["eq"]; + // Traverse its children + for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { + ret += getText( elem ); + } + } + } else if ( nodeType === 3 || nodeType === 4 ) { + return elem.nodeValue; + } -// Add button/input type pseudos -for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { - Expr.pseudos[ i ] = createInputPseudo( i ); -} -for ( i in { submit: true, reset: true } ) { - Expr.pseudos[ i ] = createButtonPseudo( i ); -} + // Do not include comment or processing instruction nodes -// Easy API for creating new setFilters -function setFilters() {} -setFilters.prototype = Expr.filters = Expr.pseudos; -Expr.setFilters = new setFilters(); + return ret; + }; -tokenize = Sizzle.tokenize = function( selector, parseOnly ) { - var matched, match, tokens, type, - soFar, groups, preFilters, - cached = tokenCache[ selector + " " ]; + Expr = Sizzle.selectors = { - if ( cached ) { - return parseOnly ? 0 : cached.slice( 0 ); - } + // Can be adjusted by the user + cacheLength: 50, - soFar = selector; - groups = []; - preFilters = Expr.preFilter; + createPseudo: markFunction, - while ( soFar ) { + match: matchExpr, - // Comma and first run - if ( !matched || (match = rcomma.exec( soFar )) ) { - if ( match ) { - // Don't consume trailing commas as valid - soFar = soFar.slice( match[0].length ) || soFar; - } - groups.push( (tokens = []) ); - } + attrHandle: {}, - matched = false; + find: {}, - // Combinators - if ( (match = rcombinators.exec( soFar )) ) { - matched = match.shift(); - tokens.push({ - value: matched, - // Cast descendant combinators to space - type: match[0].replace( rtrim, " " ) - }); - soFar = soFar.slice( matched.length ); - } + relative: { + ">": { dir: "parentNode", first: true }, + " ": { dir: "parentNode" }, + "+": { dir: "previousSibling", first: true }, + "~": { dir: "previousSibling" } + }, - // Filters - for ( type in Expr.filter ) { - if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] || - (match = preFilters[ type ]( match ))) ) { - matched = match.shift(); - tokens.push({ - value: matched, - type: type, - matches: match - }); - soFar = soFar.slice( matched.length ); - } - } + preFilter: { + "ATTR": function( match ) { + match[ 1 ] = match[ 1 ].replace( runescape, funescape ); - if ( !matched ) { - break; - } - } + // Move the given value to match[3] whether quoted or unquoted + match[ 3 ] = ( match[ 3 ] || match[ 4 ] || + match[ 5 ] || "" ).replace( runescape, funescape ); - // Return the length of the invalid excess - // if we're just parsing - // Otherwise, throw an error or return tokens - return parseOnly ? - soFar.length : - soFar ? - Sizzle.error( selector ) : - // Cache the tokens - tokenCache( selector, groups ).slice( 0 ); -}; - -function toSelector( tokens ) { - var i = 0, - len = tokens.length, - selector = ""; - for ( ; i < len; i++ ) { - selector += tokens[i].value; - } - return selector; -} - -function addCombinator( matcher, combinator, base ) { - var dir = combinator.dir, - checkNonElements = base && dir === "parentNode", - doneName = done++; - - return combinator.first ? - // Check against closest ancestor/preceding element - function( elem, context, xml ) { - while ( (elem = elem[ dir ]) ) { - if ( elem.nodeType === 1 || checkNonElements ) { - return matcher( elem, context, xml ); - } - } - } : - - // Check against all ancestor/preceding elements - function( elem, context, xml ) { - var oldCache, outerCache, - newCache = [ dirruns, doneName ]; - - // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching - if ( xml ) { - while ( (elem = elem[ dir ]) ) { - if ( elem.nodeType === 1 || checkNonElements ) { - if ( matcher( elem, context, xml ) ) { - return true; + if ( match[ 2 ] === "~=" ) { + match[ 3 ] = " " + match[ 3 ] + " "; } - } - } - } else { - while ( (elem = elem[ dir ]) ) { - if ( elem.nodeType === 1 || checkNonElements ) { - outerCache = elem[ expando ] || (elem[ expando ] = {}); - if ( (oldCache = outerCache[ dir ]) && - oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) { - - // Assign to newCache so results back-propagate to previous elements - return (newCache[ 2 ] = oldCache[ 2 ]); - } else { - // Reuse newcache so results back-propagate to previous elements - outerCache[ dir ] = newCache; - // A match means we're done; a fail means we have to keep checking - if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) { - return true; - } - } - } - } - } - }; -} + return match.slice( 0, 4 ); + }, -function elementMatcher( matchers ) { - return matchers.length > 1 ? - function( elem, context, xml ) { - var i = matchers.length; - while ( i-- ) { - if ( !matchers[i]( elem, context, xml ) ) { - return false; - } - } - return true; - } : - matchers[0]; -} - -function multipleContexts( selector, contexts, results ) { - var i = 0, - len = contexts.length; - for ( ; i < len; i++ ) { - Sizzle( selector, contexts[i], results ); - } - return results; -} + "CHILD": function( match ) { -function condense( unmatched, map, filter, context, xml ) { - var elem, - newUnmatched = [], - i = 0, - len = unmatched.length, - mapped = map != null; + /* matches from matchExpr["CHILD"] + 1 type (only|nth|...) + 2 what (child|of-type) + 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) + 4 xn-component of xn+y argument ([+-]?\d*n|) + 5 sign of xn-component + 6 x of xn-component + 7 sign of y-component + 8 y of y-component + */ + match[ 1 ] = match[ 1 ].toLowerCase(); - for ( ; i < len; i++ ) { - if ( (elem = unmatched[i]) ) { - if ( !filter || filter( elem, context, xml ) ) { - newUnmatched.push( elem ); - if ( mapped ) { - map.push( i ); - } - } - } - } + if ( match[ 1 ].slice( 0, 3 ) === "nth" ) { - return newUnmatched; -} + // nth-* requires argument + if ( !match[ 3 ] ) { + Sizzle.error( match[ 0 ] ); + } -function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { - if ( postFilter && !postFilter[ expando ] ) { - postFilter = setMatcher( postFilter ); - } - if ( postFinder && !postFinder[ expando ] ) { - postFinder = setMatcher( postFinder, postSelector ); - } - return markFunction(function( seed, results, context, xml ) { - var temp, i, elem, - preMap = [], - postMap = [], - preexisting = results.length, + // numeric x and y parameters for Expr.filter.CHILD + // remember that false/true cast respectively to 0/1 + match[ 4 ] = +( match[ 4 ] ? + match[ 5 ] + ( match[ 6 ] || 1 ) : + 2 * ( match[ 3 ] === "even" || match[ 3 ] === "odd" ) ); + match[ 5 ] = +( ( match[ 7 ] + match[ 8 ] ) || match[ 3 ] === "odd" ); - // Get initial elements from seed or context - elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ), + // other types prohibit arguments + } else if ( match[ 3 ] ) { + Sizzle.error( match[ 0 ] ); + } - // Prefilter to get matcher input, preserving a map for seed-results synchronization - matcherIn = preFilter && ( seed || !selector ) ? - condense( elems, preMap, preFilter, context, xml ) : - elems, + return match; + }, - matcherOut = matcher ? - // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, - postFinder || ( seed ? preFilter : preexisting || postFilter ) ? + "PSEUDO": function( match ) { + var excess, + unquoted = !match[ 6 ] && match[ 2 ]; - // ...intermediate processing is necessary - [] : + if ( matchExpr[ "CHILD" ].test( match[ 0 ] ) ) { + return null; + } - // ...otherwise use results directly - results : - matcherIn; + // Accept quoted arguments as-is + if ( match[ 3 ] ) { + match[ 2 ] = match[ 4 ] || match[ 5 ] || ""; - // Find primary matches - if ( matcher ) { - matcher( matcherIn, matcherOut, context, xml ); - } + // Strip excess characters from unquoted arguments + } else if ( unquoted && rpseudo.test( unquoted ) && - // Apply postFilter - if ( postFilter ) { - temp = condense( matcherOut, postMap ); - postFilter( temp, [], context, xml ); + // Get excess from tokenize (recursively) + ( excess = tokenize( unquoted, true ) ) && - // Un-match failing elements by moving them back to matcherIn - i = temp.length; - while ( i-- ) { - if ( (elem = temp[i]) ) { - matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem); - } - } - } + // advance to the next closing parenthesis + ( excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length ) ) { - if ( seed ) { - if ( postFinder || preFilter ) { - if ( postFinder ) { - // Get the final matcherOut by condensing this intermediate into postFinder contexts - temp = []; - i = matcherOut.length; - while ( i-- ) { - if ( (elem = matcherOut[i]) ) { - // Restore matcherIn since elem is not yet a final match - temp.push( (matcherIn[i] = elem) ); + // excess is a negative index + match[ 0 ] = match[ 0 ].slice( 0, excess ); + match[ 2 ] = unquoted.slice( 0, excess ); } + + // Return only captures needed by the pseudo filter method (type and argument) + return match.slice( 0, 3 ); } - postFinder( null, (matcherOut = []), temp, xml ); - } + }, - // Move matched elements from seed to results to keep them synchronized - i = matcherOut.length; - while ( i-- ) { - if ( (elem = matcherOut[i]) && - (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) { + filter: { - seed[temp] = !(results[temp] = elem); - } - } - } + "TAG": function( nodeNameSelector ) { + var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); + return nodeNameSelector === "*" ? + function() { + return true; + } : + function( elem ) { + return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; + }; + }, + + "CLASS": function( className ) { + var pattern = classCache[ className + " " ]; + + return pattern || + ( pattern = new RegExp( "(^|" + whitespace + + ")" + className + "(" + whitespace + "|$)" ) ) && classCache( + className, function( elem ) { + return pattern.test( + typeof elem.className === "string" && elem.className || + typeof elem.getAttribute !== "undefined" && + elem.getAttribute( "class" ) || + "" + ); + } ); + }, + + "ATTR": function( name, operator, check ) { + return function( elem ) { + var result = Sizzle.attr( elem, name ); + + if ( result == null ) { + return operator === "!="; + } + if ( !operator ) { + return true; + } - // Add elements to results, through postFinder if defined - } else { - matcherOut = condense( - matcherOut === results ? - matcherOut.splice( preexisting, matcherOut.length ) : - matcherOut - ); - if ( postFinder ) { - postFinder( null, results, matcherOut, xml ); - } else { - push.apply( results, matcherOut ); - } - } - }); -} - -function matcherFromTokens( tokens ) { - var checkContext, matcher, j, - len = tokens.length, - leadingRelative = Expr.relative[ tokens[0].type ], - implicitRelative = leadingRelative || Expr.relative[" "], - i = leadingRelative ? 1 : 0, - - // The foundational matcher ensures that elements are reachable from top-level context(s) - matchContext = addCombinator( function( elem ) { - return elem === checkContext; - }, implicitRelative, true ), - matchAnyContext = addCombinator( function( elem ) { - return indexOf( checkContext, elem ) > -1; - }, implicitRelative, true ), - matchers = [ function( elem, context, xml ) { - var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( - (checkContext = context).nodeType ? - matchContext( elem, context, xml ) : - matchAnyContext( elem, context, xml ) ); - // Avoid hanging onto element (issue #299) - checkContext = null; - return ret; - } ]; + result += ""; + + /* eslint-disable max-len */ + + return operator === "=" ? result === check : + operator === "!=" ? result !== check : + operator === "^=" ? check && result.indexOf( check ) === 0 : + operator === "*=" ? check && result.indexOf( check ) > -1 : + operator === "$=" ? check && result.slice( -check.length ) === check : + operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 : + operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : + false; + /* eslint-enable max-len */ + + }; + }, + + "CHILD": function( type, what, _argument, first, last ) { + var simple = type.slice( 0, 3 ) !== "nth", + forward = type.slice( -4 ) !== "last", + ofType = what === "of-type"; + + return first === 1 && last === 0 ? + + // Shortcut for :nth-*(n) + function( elem ) { + return !!elem.parentNode; + } : + + function( elem, _context, xml ) { + var cache, uniqueCache, outerCache, node, nodeIndex, start, + dir = simple !== forward ? "nextSibling" : "previousSibling", + parent = elem.parentNode, + name = ofType && elem.nodeName.toLowerCase(), + useCache = !xml && !ofType, + diff = false; + + if ( parent ) { + + // :(first|last|only)-(child|of-type) + if ( simple ) { + while ( dir ) { + node = elem; + while ( ( node = node[ dir ] ) ) { + if ( ofType ? + node.nodeName.toLowerCase() === name : + node.nodeType === 1 ) { + + return false; + } + } + + // Reverse direction for :only-* (if we haven't yet done so) + start = dir = type === "only" && !start && "nextSibling"; + } + return true; + } - for ( ; i < len; i++ ) { - if ( (matcher = Expr.relative[ tokens[i].type ]) ) { - matchers = [ addCombinator(elementMatcher( matchers ), matcher) ]; - } else { - matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches ); - - // Return special upon seeing a positional matcher - if ( matcher[ expando ] ) { - // Find the next relative operator (if any) for proper handling - j = ++i; - for ( ; j < len; j++ ) { - if ( Expr.relative[ tokens[j].type ] ) { - break; - } - } - return setMatcher( - i > 1 && elementMatcher( matchers ), - i > 1 && toSelector( - // If the preceding token was a descendant combinator, insert an implicit any-element `*` - tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" }) - ).replace( rtrim, "$1" ), - matcher, - i < j && matcherFromTokens( tokens.slice( i, j ) ), - j < len && matcherFromTokens( (tokens = tokens.slice( j )) ), - j < len && toSelector( tokens ) - ); - } - matchers.push( matcher ); - } - } + start = [ forward ? parent.firstChild : parent.lastChild ]; - return elementMatcher( matchers ); -} - -function matcherFromGroupMatchers( elementMatchers, setMatchers ) { - var bySet = setMatchers.length > 0, - byElement = elementMatchers.length > 0, - superMatcher = function( seed, context, xml, results, outermost ) { - var elem, j, matcher, - matchedCount = 0, - i = "0", - unmatched = seed && [], - setMatched = [], - contextBackup = outermostContext, - // We must always have either seed elements or outermost context - elems = seed || byElement && Expr.find["TAG"]( "*", outermost ), - // Use integer dirruns iff this is the outermost matcher - dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1), - len = elems.length; - - if ( outermost ) { - outermostContext = context !== document && context; - } - - // Add elements passing elementMatchers directly to results - // Keep `i` a string if there are no elements so `matchedCount` will be "00" below - // Support: IE<9, Safari - // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id - for ( ; i !== len && (elem = elems[i]) != null; i++ ) { - if ( byElement && elem ) { - j = 0; - while ( (matcher = elementMatchers[j++]) ) { - if ( matcher( elem, context, xml ) ) { - results.push( elem ); - break; - } - } - if ( outermost ) { - dirruns = dirrunsUnique; - } - } + // non-xml :nth-child(...) stores cache data on `parent` + if ( forward && useCache ) { - // Track unmatched elements for set filters - if ( bySet ) { - // They will have gone through all possible matchers - if ( (elem = !matcher && elem) ) { - matchedCount--; - } + // Seek `elem` from a previously-cached index - // Lengthen the array for every element, matched or not - if ( seed ) { - unmatched.push( elem ); - } - } - } + // ...in a gzip-friendly way + node = parent; + outerCache = node[ expando ] || ( node[ expando ] = {} ); - // Apply set filters to unmatched elements - matchedCount += i; - if ( bySet && i !== matchedCount ) { - j = 0; - while ( (matcher = setMatchers[j++]) ) { - matcher( unmatched, setMatched, context, xml ); - } + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[ node.uniqueID ] || + ( outerCache[ node.uniqueID ] = {} ); - if ( seed ) { - // Reintegrate element matches to eliminate the need for sorting - if ( matchedCount > 0 ) { - while ( i-- ) { - if ( !(unmatched[i] || setMatched[i]) ) { - setMatched[i] = pop.call( results ); - } - } - } + cache = uniqueCache[ type ] || []; + nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; + diff = nodeIndex && cache[ 2 ]; + node = nodeIndex && parent.childNodes[ nodeIndex ]; - // Discard index placeholder values to get only actual matches - setMatched = condense( setMatched ); - } + while ( ( node = ++nodeIndex && node && node[ dir ] || - // Add matches to results - push.apply( results, setMatched ); + // Fallback to seeking `elem` from the start + ( diff = nodeIndex = 0 ) || start.pop() ) ) { - // Seedless set matches succeeding multiple successful matchers stipulate sorting - if ( outermost && !seed && setMatched.length > 0 && - ( matchedCount + setMatchers.length ) > 1 ) { + // When found, cache indexes on `parent` and break + if ( node.nodeType === 1 && ++diff && node === elem ) { + uniqueCache[ type ] = [ dirruns, nodeIndex, diff ]; + break; + } + } - Sizzle.uniqueSort( results ); - } - } + } else { - // Override manipulation of globals by nested matchers - if ( outermost ) { - dirruns = dirrunsUnique; - outermostContext = contextBackup; - } + // Use previously-cached element index if available + if ( useCache ) { - return unmatched; - }; + // ...in a gzip-friendly way + node = elem; + outerCache = node[ expando ] || ( node[ expando ] = {} ); - return bySet ? - markFunction( superMatcher ) : - superMatcher; -} + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[ node.uniqueID ] || + ( outerCache[ node.uniqueID ] = {} ); -compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { - var i, - setMatchers = [], - elementMatchers = [], - cached = compilerCache[ selector + " " ]; + cache = uniqueCache[ type ] || []; + nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; + diff = nodeIndex; + } - if ( !cached ) { - // Generate a function of recursive functions that can be used to check each element - if ( !match ) { - match = tokenize( selector ); - } - i = match.length; - while ( i-- ) { - cached = matcherFromTokens( match[i] ); - if ( cached[ expando ] ) { - setMatchers.push( cached ); - } else { - elementMatchers.push( cached ); - } - } + // xml :nth-child(...) + // or :nth-last-child(...) or :nth(-last)?-of-type(...) + if ( diff === false ) { - // Cache the compiled function - cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) ); + // Use the same loop as above to seek `elem` from the start + while ( ( node = ++nodeIndex && node && node[ dir ] || + ( diff = nodeIndex = 0 ) || start.pop() ) ) { - // Save selector and tokenization - cached.selector = selector; - } - return cached; -}; - -/** - * A low-level selection function that works with Sizzle's compiled - * selector functions - * @param {String|Function} selector A selector or a pre-compiled - * selector function built with Sizzle.compile - * @param {Element} context - * @param {Array} [results] - * @param {Array} [seed] A set of elements to match against - */ -select = Sizzle.select = function( selector, context, results, seed ) { - var i, tokens, token, type, find, - compiled = typeof selector === "function" && selector, - match = !seed && tokenize( (selector = compiled.selector || selector) ); + if ( ( ofType ? + node.nodeName.toLowerCase() === name : + node.nodeType === 1 ) && + ++diff ) { - results = results || []; + // Cache the index of each encountered element + if ( useCache ) { + outerCache = node[ expando ] || + ( node[ expando ] = {} ); - // Try to minimize operations if there is no seed and only one group - if ( match.length === 1 ) { + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[ node.uniqueID ] || + ( outerCache[ node.uniqueID ] = {} ); - // Take a shortcut and set the context if the root selector is an ID - tokens = match[0] = match[0].slice( 0 ); - if ( tokens.length > 2 && (token = tokens[0]).type === "ID" && - support.getById && context.nodeType === 9 && documentIsHTML && - Expr.relative[ tokens[1].type ] ) { + uniqueCache[ type ] = [ dirruns, diff ]; + } - context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0]; - if ( !context ) { - return results; + if ( node === elem ) { + break; + } + } + } + } + } - // Precompiled matchers will still verify ancestry, so step up a level - } else if ( compiled ) { - context = context.parentNode; - } + // Incorporate the offset, then check against cycle size + diff -= last; + return diff === first || ( diff % first === 0 && diff / first >= 0 ); + } + }; + }, + + "PSEUDO": function( pseudo, argument ) { + + // pseudo-class names are case-insensitive + // http://www.w3.org/TR/selectors/#pseudo-classes + // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters + // Remember that setFilters inherits from pseudos + var args, + fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || + Sizzle.error( "unsupported pseudo: " + pseudo ); + + // The user may use createPseudo to indicate that + // arguments are needed to create the filter function + // just as Sizzle does + if ( fn[ expando ] ) { + return fn( argument ); + } - selector = selector.slice( tokens.shift().value.length ); - } + // But maintain support for old signatures + if ( fn.length > 1 ) { + args = [ pseudo, pseudo, "", argument ]; + return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? + markFunction( function( seed, matches ) { + var idx, + matched = fn( seed, argument ), + i = matched.length; + while ( i-- ) { + idx = indexOf( seed, matched[ i ] ); + seed[ idx ] = !( matches[ idx ] = matched[ i ] ); + } + } ) : + function( elem ) { + return fn( elem, 0, args ); + }; + } - // Fetch a seed set for right-to-left matching - i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; - while ( i-- ) { - token = tokens[i]; - - // Abort if we hit a combinator - if ( Expr.relative[ (type = token.type) ] ) { - break; - } - if ( (find = Expr.find[ type ]) ) { - // Search, expanding context for leading sibling combinators - if ( (seed = find( - token.matches[0].replace( runescape, funescape ), - rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context - )) ) { - - // If seed is empty or no tokens remain, we can return early - tokens.splice( i, 1 ); - selector = seed.length && toSelector( tokens ); - if ( !selector ) { - push.apply( results, seed ); - return results; + return fn; } + }, - break; - } - } - } - } - - // Compile and execute a filtering function if one is not provided - // Provide `match` to avoid retokenization if we modified the selector above - ( compiled || compile( selector, match ) )( - seed, - context, - !documentIsHTML, - results, - rsibling.test( selector ) && testContext( context.parentNode ) || context - ); - return results; -}; + pseudos: { -// One-time assignments + // Potentially complex pseudos + "not": markFunction( function( selector ) { -// Sort stability -support.sortStable = expando.split("").sort( sortOrder ).join("") === expando; + // Trim the selector passed to compile + // to avoid treating leading and trailing + // spaces as combinators + var input = [], + results = [], + matcher = compile( selector.replace( rtrim, "$1" ) ); -// Support: Chrome 14-35+ -// Always assume duplicates if they aren't passed to the comparison function -support.detectDuplicates = !!hasDuplicate; + return matcher[ expando ] ? + markFunction( function( seed, matches, _context, xml ) { + var elem, + unmatched = matcher( seed, null, xml, [] ), + i = seed.length; -// Initialize against the default document -setDocument(); + // Match elements unmatched by `matcher` + while ( i-- ) { + if ( ( elem = unmatched[ i ] ) ) { + seed[ i ] = !( matches[ i ] = elem ); + } + } + } ) : + function( elem, _context, xml ) { + input[ 0 ] = elem; + matcher( input, null, xml, results ); + + // Don't keep the element (issue #299) + input[ 0 ] = null; + return !results.pop(); + }; + } ), + + "has": markFunction( function( selector ) { + return function( elem ) { + return Sizzle( selector, elem ).length > 0; + }; + } ), + + "contains": markFunction( function( text ) { + text = text.replace( runescape, funescape ); + return function( elem ) { + return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1; + }; + } ), + + // "Whether an element is represented by a :lang() selector + // is based solely on the element's language value + // being equal to the identifier C, + // or beginning with the identifier C immediately followed by "-". + // The matching of C against the element's language value is performed case-insensitively. + // The identifier C does not have to be a valid language name." + // http://www.w3.org/TR/selectors/#lang-pseudo + "lang": markFunction( function( lang ) { + + // lang value must be a valid identifier + if ( !ridentifier.test( lang || "" ) ) { + Sizzle.error( "unsupported lang: " + lang ); + } + lang = lang.replace( runescape, funescape ).toLowerCase(); + return function( elem ) { + var elemLang; + do { + if ( ( elemLang = documentIsHTML ? + elem.lang : + elem.getAttribute( "xml:lang" ) || elem.getAttribute( "lang" ) ) ) { + + elemLang = elemLang.toLowerCase(); + return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; + } + } while ( ( elem = elem.parentNode ) && elem.nodeType === 1 ); + return false; + }; + } ), + + // Miscellaneous + "target": function( elem ) { + var hash = window.location && window.location.hash; + return hash && hash.slice( 1 ) === elem.id; + }, + + "root": function( elem ) { + return elem === docElem; + }, + + "focus": function( elem ) { + return elem === document.activeElement && + ( !document.hasFocus || document.hasFocus() ) && + !!( elem.type || elem.href || ~elem.tabIndex ); + }, + + // Boolean properties + "enabled": createDisabledPseudo( false ), + "disabled": createDisabledPseudo( true ), + + "checked": function( elem ) { + + // In CSS3, :checked should return both checked and selected elements + // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked + var nodeName = elem.nodeName.toLowerCase(); + return ( nodeName === "input" && !!elem.checked ) || + ( nodeName === "option" && !!elem.selected ); + }, + + "selected": function( elem ) { + + // Accessing this property makes selected-by-default + // options in Safari work properly + if ( elem.parentNode ) { + // eslint-disable-next-line no-unused-expressions + elem.parentNode.selectedIndex; + } -// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) -// Detached nodes confoundingly follow *each other* -support.sortDetached = assert(function( div1 ) { - // Should return 1, but returns 4 (following) - return div1.compareDocumentPosition( document.createElement("div") ) & 1; -}); + return elem.selected === true; + }, -// Support: IE<8 -// Prevent attribute/property "interpolation" -// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx -if ( !assert(function( div ) { - div.innerHTML = "<a href='#'></a>"; - return div.firstChild.getAttribute("href") === "#" ; -}) ) { - addHandle( "type|href|height|width", function( elem, name, isXML ) { - if ( !isXML ) { - return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); - } - }); -} + // Contents + "empty": function( elem ) { -// Support: IE<9 -// Use defaultValue in place of getAttribute("value") -if ( !support.attributes || !assert(function( div ) { - div.innerHTML = "<input/>"; - div.firstChild.setAttribute( "value", "" ); - return div.firstChild.getAttribute( "value" ) === ""; -}) ) { - addHandle( "value", function( elem, name, isXML ) { - if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { - return elem.defaultValue; - } - }); -} + // http://www.w3.org/TR/selectors/#empty-pseudo + // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), + // but not by others (comment: 8; processing instruction: 7; etc.) + // nodeType < 6 works because attributes (2) do not appear as children + for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { + if ( elem.nodeType < 6 ) { + return false; + } + } + return true; + }, + + "parent": function( elem ) { + return !Expr.pseudos[ "empty" ]( elem ); + }, + + // Element/input types + "header": function( elem ) { + return rheader.test( elem.nodeName ); + }, + + "input": function( elem ) { + return rinputs.test( elem.nodeName ); + }, + + "button": function( elem ) { + var name = elem.nodeName.toLowerCase(); + return name === "input" && elem.type === "button" || name === "button"; + }, + + "text": function( elem ) { + var attr; + return elem.nodeName.toLowerCase() === "input" && + elem.type === "text" && + + // Support: IE<8 + // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" + ( ( attr = elem.getAttribute( "type" ) ) == null || + attr.toLowerCase() === "text" ); + }, + + // Position-in-collection + "first": createPositionalPseudo( function() { + return [ 0 ]; + } ), + + "last": createPositionalPseudo( function( _matchIndexes, length ) { + return [ length - 1 ]; + } ), + + "eq": createPositionalPseudo( function( _matchIndexes, length, argument ) { + return [ argument < 0 ? argument + length : argument ]; + } ), + + "even": createPositionalPseudo( function( matchIndexes, length ) { + var i = 0; + for ( ; i < length; i += 2 ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ), -// Support: IE<9 -// Use getAttributeNode to fetch booleans when getAttribute lies -if ( !assert(function( div ) { - return div.getAttribute("disabled") == null; -}) ) { - addHandle( booleans, function( elem, name, isXML ) { - var val; - if ( !isXML ) { - return elem[ name ] === true ? name.toLowerCase() : - (val = elem.getAttributeNode( name )) && val.specified ? - val.value : - null; - } - }); -} + "odd": createPositionalPseudo( function( matchIndexes, length ) { + var i = 1; + for ( ; i < length; i += 2 ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ), + + "lt": createPositionalPseudo( function( matchIndexes, length, argument ) { + var i = argument < 0 ? + argument + length : + argument > length ? + length : + argument; + for ( ; --i >= 0; ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ), -return Sizzle; + "gt": createPositionalPseudo( function( matchIndexes, length, argument ) { + var i = argument < 0 ? argument + length : argument; + for ( ; ++i < length; ) { + matchIndexes.push( i ); + } + return matchIndexes; + } ) + } + }; -})( window ); + Expr.pseudos[ "nth" ] = Expr.pseudos[ "eq" ]; +// Add button/input type pseudos + for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { + Expr.pseudos[ i ] = createInputPseudo( i ); + } + for ( i in { submit: true, reset: true } ) { + Expr.pseudos[ i ] = createButtonPseudo( i ); + } +// Easy API for creating new setFilters + function setFilters() {} + setFilters.prototype = Expr.filters = Expr.pseudos; + Expr.setFilters = new setFilters(); -jQuery.find = Sizzle; -jQuery.expr = Sizzle.selectors; -jQuery.expr[":"] = jQuery.expr.pseudos; -jQuery.unique = Sizzle.uniqueSort; -jQuery.text = Sizzle.getText; -jQuery.isXMLDoc = Sizzle.isXML; -jQuery.contains = Sizzle.contains; + tokenize = Sizzle.tokenize = function( selector, parseOnly ) { + var matched, match, tokens, type, + soFar, groups, preFilters, + cached = tokenCache[ selector + " " ]; + if ( cached ) { + return parseOnly ? 0 : cached.slice( 0 ); + } + soFar = selector; + groups = []; + preFilters = Expr.preFilter; -var rneedsContext = jQuery.expr.match.needsContext; + while ( soFar ) { -var rsingleTag = (/^<(\w+)\s*\/?>(?:<\/\1>|)$/); + // Comma and first run + if ( !matched || ( match = rcomma.exec( soFar ) ) ) { + if ( match ) { + // Don't consume trailing commas as valid + soFar = soFar.slice( match[ 0 ].length ) || soFar; + } + groups.push( ( tokens = [] ) ); + } + matched = false; -var risSimple = /^.[^:#\[\.,]*$/; + // Combinators + if ( ( match = rcombinators.exec( soFar ) ) ) { + matched = match.shift(); + tokens.push( { + value: matched, -// Implement the identical functionality for filter and not -function winnow( elements, qualifier, not ) { - if ( jQuery.isFunction( qualifier ) ) { - return jQuery.grep( elements, function( elem, i ) { - /* jshint -W018 */ - return !!qualifier.call( elem, i, elem ) !== not; - }); + // Cast descendant combinators to space + type: match[ 0 ].replace( rtrim, " " ) + } ); + soFar = soFar.slice( matched.length ); + } - } + // Filters + for ( type in Expr.filter ) { + if ( ( match = matchExpr[ type ].exec( soFar ) ) && ( !preFilters[ type ] || + ( match = preFilters[ type ]( match ) ) ) ) { + matched = match.shift(); + tokens.push( { + value: matched, + type: type, + matches: match + } ); + soFar = soFar.slice( matched.length ); + } + } - if ( qualifier.nodeType ) { - return jQuery.grep( elements, function( elem ) { - return ( elem === qualifier ) !== not; - }); + if ( !matched ) { + break; + } + } - } + // Return the length of the invalid excess + // if we're just parsing + // Otherwise, throw an error or return tokens + return parseOnly ? + soFar.length : + soFar ? + Sizzle.error( selector ) : - if ( typeof qualifier === "string" ) { - if ( risSimple.test( qualifier ) ) { - return jQuery.filter( qualifier, elements, not ); - } + // Cache the tokens + tokenCache( selector, groups ).slice( 0 ); + }; - qualifier = jQuery.filter( qualifier, elements ); - } + function toSelector( tokens ) { + var i = 0, + len = tokens.length, + selector = ""; + for ( ; i < len; i++ ) { + selector += tokens[ i ].value; + } + return selector; + } - return jQuery.grep( elements, function( elem ) { - return ( indexOf.call( qualifier, elem ) >= 0 ) !== not; - }); -} + function addCombinator( matcher, combinator, base ) { + var dir = combinator.dir, + skip = combinator.next, + key = skip || dir, + checkNonElements = base && key === "parentNode", + doneName = done++; -jQuery.filter = function( expr, elems, not ) { - var elem = elems[ 0 ]; + return combinator.first ? - if ( not ) { - expr = ":not(" + expr + ")"; - } + // Check against closest ancestor/preceding element + function( elem, context, xml ) { + while ( ( elem = elem[ dir ] ) ) { + if ( elem.nodeType === 1 || checkNonElements ) { + return matcher( elem, context, xml ); + } + } + return false; + } : + + // Check against all ancestor/preceding elements + function( elem, context, xml ) { + var oldCache, uniqueCache, outerCache, + newCache = [ dirruns, doneName ]; + + // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching + if ( xml ) { + while ( ( elem = elem[ dir ] ) ) { + if ( elem.nodeType === 1 || checkNonElements ) { + if ( matcher( elem, context, xml ) ) { + return true; + } + } + } + } else { + while ( ( elem = elem[ dir ] ) ) { + if ( elem.nodeType === 1 || checkNonElements ) { + outerCache = elem[ expando ] || ( elem[ expando ] = {} ); + + // Support: IE <9 only + // Defend against cloned attroperties (jQuery gh-1709) + uniqueCache = outerCache[ elem.uniqueID ] || + ( outerCache[ elem.uniqueID ] = {} ); + + if ( skip && skip === elem.nodeName.toLowerCase() ) { + elem = elem[ dir ] || elem; + } else if ( ( oldCache = uniqueCache[ key ] ) && + oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) { + + // Assign to newCache so results back-propagate to previous elements + return ( newCache[ 2 ] = oldCache[ 2 ] ); + } else { + + // Reuse newcache so results back-propagate to previous elements + uniqueCache[ key ] = newCache; + + // A match means we're done; a fail means we have to keep checking + if ( ( newCache[ 2 ] = matcher( elem, context, xml ) ) ) { + return true; + } + } + } + } + } + return false; + }; + } - return elems.length === 1 && elem.nodeType === 1 ? - jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] : - jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { - return elem.nodeType === 1; - })); -}; - -jQuery.fn.extend({ - find: function( selector ) { - var i, - len = this.length, - ret = [], - self = this; - - if ( typeof selector !== "string" ) { - return this.pushStack( jQuery( selector ).filter(function() { - for ( i = 0; i < len; i++ ) { - if ( jQuery.contains( self[ i ], this ) ) { + function elementMatcher( matchers ) { + return matchers.length > 1 ? + function( elem, context, xml ) { + var i = matchers.length; + while ( i-- ) { + if ( !matchers[ i ]( elem, context, xml ) ) { + return false; + } + } return true; - } + } : + matchers[ 0 ]; + } + + function multipleContexts( selector, contexts, results ) { + var i = 0, + len = contexts.length; + for ( ; i < len; i++ ) { + Sizzle( selector, contexts[ i ], results ); } - }) ); - } + return results; + } - for ( i = 0; i < len; i++ ) { - jQuery.find( selector, self[ i ], ret ); - } + function condense( unmatched, map, filter, context, xml ) { + var elem, + newUnmatched = [], + i = 0, + len = unmatched.length, + mapped = map != null; - // Needed because $( selector, context ) becomes $( context ).find( selector ) - ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret ); - ret.selector = this.selector ? this.selector + " " + selector : selector; - return ret; - }, - filter: function( selector ) { - return this.pushStack( winnow(this, selector || [], false) ); - }, - not: function( selector ) { - return this.pushStack( winnow(this, selector || [], true) ); - }, - is: function( selector ) { - return !!winnow( - this, - - // If this is a positional/relative selector, check membership in the returned set - // so $("p:first").is("p:last") won't return true for a doc with two "p". - typeof selector === "string" && rneedsContext.test( selector ) ? - jQuery( selector ) : - selector || [], - false - ).length; - } -}); + for ( ; i < len; i++ ) { + if ( ( elem = unmatched[ i ] ) ) { + if ( !filter || filter( elem, context, xml ) ) { + newUnmatched.push( elem ); + if ( mapped ) { + map.push( i ); + } + } + } + } + return newUnmatched; + } -// Initialize a jQuery object + function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { + if ( postFilter && !postFilter[ expando ] ) { + postFilter = setMatcher( postFilter ); + } + if ( postFinder && !postFinder[ expando ] ) { + postFinder = setMatcher( postFinder, postSelector ); + } + return markFunction( function( seed, results, context, xml ) { + var temp, i, elem, + preMap = [], + postMap = [], + preexisting = results.length, + // Get initial elements from seed or context + elems = seed || multipleContexts( + selector || "*", + context.nodeType ? [ context ] : context, + [] + ), -// A central reference to the root jQuery(document) -var rootjQuery, + // Prefilter to get matcher input, preserving a map for seed-results synchronization + matcherIn = preFilter && ( seed || !selector ) ? + condense( elems, preMap, preFilter, context, xml ) : + elems, - // A simple way to check for HTML strings - // Prioritize #id over <tag> to avoid XSS via location.hash (#9521) - // Strict HTML recognition (#11290: must start with <) - rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/, + matcherOut = matcher ? - init = jQuery.fn.init = function( selector, context ) { - var match, elem; + // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, + postFinder || ( seed ? preFilter : preexisting || postFilter ) ? - // HANDLE: $(""), $(null), $(undefined), $(false) - if ( !selector ) { - return this; - } + // ...intermediate processing is necessary + [] : - // Handle HTML strings - if ( typeof selector === "string" ) { - if ( selector[0] === "<" && selector[ selector.length - 1 ] === ">" && selector.length >= 3 ) { - // Assume that strings that start and end with <> are HTML and skip the regex check - match = [ null, selector, null ]; + // ...otherwise use results directly + results : + matcherIn; - } else { - match = rquickExpr.exec( selector ); + // Find primary matches + if ( matcher ) { + matcher( matcherIn, matcherOut, context, xml ); + } + + // Apply postFilter + if ( postFilter ) { + temp = condense( matcherOut, postMap ); + postFilter( temp, [], context, xml ); + + // Un-match failing elements by moving them back to matcherIn + i = temp.length; + while ( i-- ) { + if ( ( elem = temp[ i ] ) ) { + matcherOut[ postMap[ i ] ] = !( matcherIn[ postMap[ i ] ] = elem ); + } + } + } + + if ( seed ) { + if ( postFinder || preFilter ) { + if ( postFinder ) { + + // Get the final matcherOut by condensing this intermediate into postFinder contexts + temp = []; + i = matcherOut.length; + while ( i-- ) { + if ( ( elem = matcherOut[ i ] ) ) { + + // Restore matcherIn since elem is not yet a final match + temp.push( ( matcherIn[ i ] = elem ) ); + } + } + postFinder( null, ( matcherOut = [] ), temp, xml ); + } + + // Move matched elements from seed to results to keep them synchronized + i = matcherOut.length; + while ( i-- ) { + if ( ( elem = matcherOut[ i ] ) && + ( temp = postFinder ? indexOf( seed, elem ) : preMap[ i ] ) > -1 ) { + + seed[ temp ] = !( results[ temp ] = elem ); + } + } + } + + // Add elements to results, through postFinder if defined + } else { + matcherOut = condense( + matcherOut === results ? + matcherOut.splice( preexisting, matcherOut.length ) : + matcherOut + ); + if ( postFinder ) { + postFinder( null, results, matcherOut, xml ); + } else { + push.apply( results, matcherOut ); + } + } + } ); + } + + function matcherFromTokens( tokens ) { + var checkContext, matcher, j, + len = tokens.length, + leadingRelative = Expr.relative[ tokens[ 0 ].type ], + implicitRelative = leadingRelative || Expr.relative[ " " ], + i = leadingRelative ? 1 : 0, + + // The foundational matcher ensures that elements are reachable from top-level context(s) + matchContext = addCombinator( function( elem ) { + return elem === checkContext; + }, implicitRelative, true ), + matchAnyContext = addCombinator( function( elem ) { + return indexOf( checkContext, elem ) > -1; + }, implicitRelative, true ), + matchers = [ function( elem, context, xml ) { + var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( + ( checkContext = context ).nodeType ? + matchContext( elem, context, xml ) : + matchAnyContext( elem, context, xml ) ); + + // Avoid hanging onto element (issue #299) + checkContext = null; + return ret; + } ]; + + for ( ; i < len; i++ ) { + if ( ( matcher = Expr.relative[ tokens[ i ].type ] ) ) { + matchers = [ addCombinator( elementMatcher( matchers ), matcher ) ]; + } else { + matcher = Expr.filter[ tokens[ i ].type ].apply( null, tokens[ i ].matches ); + + // Return special upon seeing a positional matcher + if ( matcher[ expando ] ) { + + // Find the next relative operator (if any) for proper handling + j = ++i; + for ( ; j < len; j++ ) { + if ( Expr.relative[ tokens[ j ].type ] ) { + break; + } + } + return setMatcher( + i > 1 && elementMatcher( matchers ), + i > 1 && toSelector( + + // If the preceding token was a descendant combinator, insert an implicit any-element `*` + tokens + .slice( 0, i - 1 ) + .concat( { value: tokens[ i - 2 ].type === " " ? "*" : "" } ) + ).replace( rtrim, "$1" ), + matcher, + i < j && matcherFromTokens( tokens.slice( i, j ) ), + j < len && matcherFromTokens( ( tokens = tokens.slice( j ) ) ), + j < len && toSelector( tokens ) + ); + } + matchers.push( matcher ); + } + } + + return elementMatcher( matchers ); } - // Match html or make sure no context is specified for #id - if ( match && (match[1] || !context) ) { + function matcherFromGroupMatchers( elementMatchers, setMatchers ) { + var bySet = setMatchers.length > 0, + byElement = elementMatchers.length > 0, + superMatcher = function( seed, context, xml, results, outermost ) { + var elem, j, matcher, + matchedCount = 0, + i = "0", + unmatched = seed && [], + setMatched = [], + contextBackup = outermostContext, - // HANDLE: $(html) -> $(array) - if ( match[1] ) { - context = context instanceof jQuery ? context[0] : context; + // We must always have either seed elements or outermost context + elems = seed || byElement && Expr.find[ "TAG" ]( "*", outermost ), - // Option to run scripts is true for back-compat - // Intentionally let the error be thrown if parseHTML is not present - jQuery.merge( this, jQuery.parseHTML( - match[1], - context && context.nodeType ? context.ownerDocument || context : document, - true - ) ); + // Use integer dirruns iff this is the outermost matcher + dirrunsUnique = ( dirruns += contextBackup == null ? 1 : Math.random() || 0.1 ), + len = elems.length; - // HANDLE: $(html, props) - if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) { - for ( match in context ) { - // Properties of context are called as methods if possible - if ( jQuery.isFunction( this[ match ] ) ) { - this[ match ]( context[ match ] ); + if ( outermost ) { - // ...and otherwise set as attributes - } else { - this.attr( match, context[ match ] ); + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + outermostContext = context == document || context || outermost; + } + + // Add elements passing elementMatchers directly to results + // Support: IE<9, Safari + // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id + for ( ; i !== len && ( elem = elems[ i ] ) != null; i++ ) { + if ( byElement && elem ) { + j = 0; + + // Support: IE 11+, Edge 17 - 18+ + // IE/Edge sometimes throw a "Permission denied" error when strict-comparing + // two documents; shallow comparisons work. + // eslint-disable-next-line eqeqeq + if ( !context && elem.ownerDocument != document ) { + setDocument( elem ); + xml = !documentIsHTML; + } + while ( ( matcher = elementMatchers[ j++ ] ) ) { + if ( matcher( elem, context || document, xml ) ) { + results.push( elem ); + break; + } + } + if ( outermost ) { + dirruns = dirrunsUnique; + } + } + + // Track unmatched elements for set filters + if ( bySet ) { + + // They will have gone through all possible matchers + if ( ( elem = !matcher && elem ) ) { + matchedCount--; + } + + // Lengthen the array for every element, matched or not + if ( seed ) { + unmatched.push( elem ); + } + } + } + + // `i` is now the count of elements visited above, and adding it to `matchedCount` + // makes the latter nonnegative. + matchedCount += i; + + // Apply set filters to unmatched elements + // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount` + // equals `i`), unless we didn't visit _any_ elements in the above loop because we have + // no element matchers and no seed. + // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that + // case, which will result in a "00" `matchedCount` that differs from `i` but is also + // numerically zero. + if ( bySet && i !== matchedCount ) { + j = 0; + while ( ( matcher = setMatchers[ j++ ] ) ) { + matcher( unmatched, setMatched, context, xml ); + } + + if ( seed ) { + + // Reintegrate element matches to eliminate the need for sorting + if ( matchedCount > 0 ) { + while ( i-- ) { + if ( !( unmatched[ i ] || setMatched[ i ] ) ) { + setMatched[ i ] = pop.call( results ); + } + } + } + + // Discard index placeholder values to get only actual matches + setMatched = condense( setMatched ); + } + + // Add matches to results + push.apply( results, setMatched ); + + // Seedless set matches succeeding multiple successful matchers stipulate sorting + if ( outermost && !seed && setMatched.length > 0 && + ( matchedCount + setMatchers.length ) > 1 ) { + + Sizzle.uniqueSort( results ); } } + + // Override manipulation of globals by nested matchers + if ( outermost ) { + dirruns = dirrunsUnique; + outermostContext = contextBackup; + } + + return unmatched; + }; + + return bySet ? + markFunction( superMatcher ) : + superMatcher; + } + + compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { + var i, + setMatchers = [], + elementMatchers = [], + cached = compilerCache[ selector + " " ]; + + if ( !cached ) { + + // Generate a function of recursive functions that can be used to check each element + if ( !match ) { + match = tokenize( selector ); + } + i = match.length; + while ( i-- ) { + cached = matcherFromTokens( match[ i ] ); + if ( cached[ expando ] ) { + setMatchers.push( cached ); + } else { + elementMatchers.push( cached ); + } } - return this; + // Cache the compiled function + cached = compilerCache( + selector, + matcherFromGroupMatchers( elementMatchers, setMatchers ) + ); - // HANDLE: $(#id) - } else { - elem = document.getElementById( match[2] ); + // Save selector and tokenization + cached.selector = selector; + } + return cached; + }; + + /** + * A low-level selection function that works with Sizzle's compiled + * selector functions + * @param {String|Function} selector A selector or a pre-compiled + * selector function built with Sizzle.compile + * @param {Element} context + * @param {Array} [results] + * @param {Array} [seed] A set of elements to match against + */ + select = Sizzle.select = function( selector, context, results, seed ) { + var i, tokens, token, type, find, + compiled = typeof selector === "function" && selector, + match = !seed && tokenize( ( selector = compiled.selector || selector ) ); + + results = results || []; + + // Try to minimize operations if there is only one selector in the list and no seed + // (the latter of which guarantees us context) + if ( match.length === 1 ) { + + // Reduce context if the leading compound selector is an ID + tokens = match[ 0 ] = match[ 0 ].slice( 0 ); + if ( tokens.length > 2 && ( token = tokens[ 0 ] ).type === "ID" && + context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[ 1 ].type ] ) { + + context = ( Expr.find[ "ID" ]( token.matches[ 0 ] + .replace( runescape, funescape ), context ) || [] )[ 0 ]; + if ( !context ) { + return results; + + // Precompiled matchers will still verify ancestry, so step up a level + } else if ( compiled ) { + context = context.parentNode; + } - // Support: Blackberry 4.6 - // gEBID returns nodes no longer in the document (#6963) - if ( elem && elem.parentNode ) { - // Inject the element directly into the jQuery object - this.length = 1; - this[0] = elem; + selector = selector.slice( tokens.shift().value.length ); } - this.context = document; - this.selector = selector; - return this; + // Fetch a seed set for right-to-left matching + i = matchExpr[ "needsContext" ].test( selector ) ? 0 : tokens.length; + while ( i-- ) { + token = tokens[ i ]; + + // Abort if we hit a combinator + if ( Expr.relative[ ( type = token.type ) ] ) { + break; + } + if ( ( find = Expr.find[ type ] ) ) { + + // Search, expanding context for leading sibling combinators + if ( ( seed = find( + token.matches[ 0 ].replace( runescape, funescape ), + rsibling.test( tokens[ 0 ].type ) && testContext( context.parentNode ) || + context + ) ) ) { + + // If seed is empty or no tokens remain, we can return early + tokens.splice( i, 1 ); + selector = seed.length && toSelector( tokens ); + if ( !selector ) { + push.apply( results, seed ); + return results; + } + + break; + } + } + } } - // HANDLE: $(expr, $(...)) - } else if ( !context || context.jquery ) { - return ( context || rootjQuery ).find( selector ); + // Compile and execute a filtering function if one is not provided + // Provide `match` to avoid retokenization if we modified the selector above + ( compiled || compile( selector, match ) )( + seed, + context, + !documentIsHTML, + results, + !context || rsibling.test( selector ) && testContext( context.parentNode ) || context + ); + return results; + }; + +// One-time assignments - // HANDLE: $(expr, context) - // (which is just equivalent to: $(context).find(expr) - } else { - return this.constructor( context ).find( selector ); +// Sort stability + support.sortStable = expando.split( "" ).sort( sortOrder ).join( "" ) === expando; + +// Support: Chrome 14-35+ +// Always assume duplicates if they aren't passed to the comparison function + support.detectDuplicates = !!hasDuplicate; + +// Initialize against the default document + setDocument(); + +// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) +// Detached nodes confoundingly follow *each other* + support.sortDetached = assert( function( el ) { + + // Should return 1, but returns 4 (following) + return el.compareDocumentPosition( document.createElement( "fieldset" ) ) & 1; + } ); + +// Support: IE<8 +// Prevent attribute/property "interpolation" +// https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx + if ( !assert( function( el ) { + el.innerHTML = "<a href='#'></a>"; + return el.firstChild.getAttribute( "href" ) === "#"; + } ) ) { + addHandle( "type|href|height|width", function( elem, name, isXML ) { + if ( !isXML ) { + return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); + } + } ); } - // HANDLE: $(DOMElement) - } else if ( selector.nodeType ) { - this.context = this[0] = selector; - this.length = 1; - return this; +// Support: IE<9 +// Use defaultValue in place of getAttribute("value") + if ( !support.attributes || !assert( function( el ) { + el.innerHTML = "<input/>"; + el.firstChild.setAttribute( "value", "" ); + return el.firstChild.getAttribute( "value" ) === ""; + } ) ) { + addHandle( "value", function( elem, _name, isXML ) { + if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { + return elem.defaultValue; + } + } ); + } - // HANDLE: $(function) - // Shortcut for document ready - } else if ( jQuery.isFunction( selector ) ) { - return typeof rootjQuery.ready !== "undefined" ? - rootjQuery.ready( selector ) : - // Execute immediately if ready is not present - selector( jQuery ); - } +// Support: IE<9 +// Use getAttributeNode to fetch booleans when getAttribute lies + if ( !assert( function( el ) { + return el.getAttribute( "disabled" ) == null; + } ) ) { + addHandle( booleans, function( elem, name, isXML ) { + var val; + if ( !isXML ) { + return elem[ name ] === true ? name.toLowerCase() : + ( val = elem.getAttributeNode( name ) ) && val.specified ? + val.value : + null; + } + } ); + } - if ( selector.selector !== undefined ) { - this.selector = selector.selector; - this.context = selector.context; - } + return Sizzle; - return jQuery.makeArray( selector, this ); - }; + } )( window ); -// Give the init function the jQuery prototype for later instantiation -init.prototype = jQuery.fn; -// Initialize central reference -rootjQuery = jQuery( document ); + + jQuery.find = Sizzle; + jQuery.expr = Sizzle.selectors; + +// Deprecated + jQuery.expr[ ":" ] = jQuery.expr.pseudos; + jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort; + jQuery.text = Sizzle.getText; + jQuery.isXMLDoc = Sizzle.isXML; + jQuery.contains = Sizzle.contains; + jQuery.escapeSelector = Sizzle.escape; + -var rparentsprev = /^(?:parents|prev(?:Until|All))/, - // Methods guaranteed to produce a unique set when starting from a unique set - guaranteedUnique = { - children: true, - contents: true, - next: true, - prev: true - }; -jQuery.extend({ - dir: function( elem, dir, until ) { + var dir = function( elem, dir, until ) { var matched = [], truncate = until !== undefined; - while ( (elem = elem[ dir ]) && elem.nodeType !== 9 ) { + while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) { if ( elem.nodeType === 1 ) { if ( truncate && jQuery( elem ).is( until ) ) { break; @@ -2861,9 +3002,10 @@ jQuery.extend({ } } return matched; - }, + }; + - sibling: function( n, elem ) { + var siblings = function( n, elem ) { var matched = []; for ( ; n; n = n.nextSibling ) { @@ -2873,6284 +3015,7804 @@ jQuery.extend({ } return matched; - } -}); + }; -jQuery.fn.extend({ - has: function( target ) { - var targets = jQuery( target, this ), - l = targets.length; - return this.filter(function() { - var i = 0; - for ( ; i < l; i++ ) { - if ( jQuery.contains( this, targets[i] ) ) { - return true; - } - } - }); - }, + var rneedsContext = jQuery.expr.match.needsContext; - closest: function( selectors, context ) { - var cur, - i = 0, - l = this.length, - matched = [], - pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ? - jQuery( selectors, context || this.context ) : - 0; - for ( ; i < l; i++ ) { - for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) { - // Always skip document fragments - if ( cur.nodeType < 11 && (pos ? - pos.index(cur) > -1 : - // Don't pass non-elements to Sizzle - cur.nodeType === 1 && - jQuery.find.matchesSelector(cur, selectors)) ) { + function nodeName( elem, name ) { - matched.push( cur ); - break; - } - } - } + return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); - return this.pushStack( matched.length > 1 ? jQuery.unique( matched ) : matched ); - }, + }; + var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i ); - // Determine the position of an element within the set - index: function( elem ) { - // No argument, return index in parent - if ( !elem ) { - return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1; - } - // Index in selector - if ( typeof elem === "string" ) { - return indexOf.call( jQuery( elem ), this[ 0 ] ); +// Implement the identical functionality for filter and not + function winnow( elements, qualifier, not ) { + if ( isFunction( qualifier ) ) { + return jQuery.grep( elements, function( elem, i ) { + return !!qualifier.call( elem, i, elem ) !== not; + } ); } - // Locate the position of the desired element - return indexOf.call( this, - - // If it receives a jQuery object, the first element is used - elem.jquery ? elem[ 0 ] : elem - ); - }, + // Single element + if ( qualifier.nodeType ) { + return jQuery.grep( elements, function( elem ) { + return ( elem === qualifier ) !== not; + } ); + } - add: function( selector, context ) { - return this.pushStack( - jQuery.unique( - jQuery.merge( this.get(), jQuery( selector, context ) ) - ) - ); - }, + // Arraylike of elements (jQuery, arguments, Array) + if ( typeof qualifier !== "string" ) { + return jQuery.grep( elements, function( elem ) { + return ( indexOf.call( qualifier, elem ) > -1 ) !== not; + } ); + } - addBack: function( selector ) { - return this.add( selector == null ? - this.prevObject : this.prevObject.filter(selector) - ); + // Filtered directly for both simple and complex selectors + return jQuery.filter( qualifier, elements, not ); } -}); - -function sibling( cur, dir ) { - while ( (cur = cur[dir]) && cur.nodeType !== 1 ) {} - return cur; -} - -jQuery.each({ - parent: function( elem ) { - var parent = elem.parentNode; - return parent && parent.nodeType !== 11 ? parent : null; - }, - parents: function( elem ) { - return jQuery.dir( elem, "parentNode" ); - }, - parentsUntil: function( elem, i, until ) { - return jQuery.dir( elem, "parentNode", until ); - }, - next: function( elem ) { - return sibling( elem, "nextSibling" ); - }, - prev: function( elem ) { - return sibling( elem, "previousSibling" ); - }, - nextAll: function( elem ) { - return jQuery.dir( elem, "nextSibling" ); - }, - prevAll: function( elem ) { - return jQuery.dir( elem, "previousSibling" ); - }, - nextUntil: function( elem, i, until ) { - return jQuery.dir( elem, "nextSibling", until ); - }, - prevUntil: function( elem, i, until ) { - return jQuery.dir( elem, "previousSibling", until ); - }, - siblings: function( elem ) { - return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem ); - }, - children: function( elem ) { - return jQuery.sibling( elem.firstChild ); - }, - contents: function( elem ) { - return elem.contentDocument || jQuery.merge( [], elem.childNodes ); - } -}, function( name, fn ) { - jQuery.fn[ name ] = function( until, selector ) { - var matched = jQuery.map( this, fn, until ); - if ( name.slice( -5 ) !== "Until" ) { - selector = until; + jQuery.filter = function( expr, elems, not ) { + var elem = elems[ 0 ]; + + if ( not ) { + expr = ":not(" + expr + ")"; } - if ( selector && typeof selector === "string" ) { - matched = jQuery.filter( selector, matched ); + if ( elems.length === 1 && elem.nodeType === 1 ) { + return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : []; } - if ( this.length > 1 ) { - // Remove duplicates - if ( !guaranteedUnique[ name ] ) { - jQuery.unique( matched ); + return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { + return elem.nodeType === 1; + } ) ); + }; + + jQuery.fn.extend( { + find: function( selector ) { + var i, ret, + len = this.length, + self = this; + + if ( typeof selector !== "string" ) { + return this.pushStack( jQuery( selector ).filter( function() { + for ( i = 0; i < len; i++ ) { + if ( jQuery.contains( self[ i ], this ) ) { + return true; + } + } + } ) ); } - // Reverse order for parents* and prev-derivatives - if ( rparentsprev.test( name ) ) { - matched.reverse(); + ret = this.pushStack( [] ); + + for ( i = 0; i < len; i++ ) { + jQuery.find( selector, self[ i ], ret ); } + + return len > 1 ? jQuery.uniqueSort( ret ) : ret; + }, + filter: function( selector ) { + return this.pushStack( winnow( this, selector || [], false ) ); + }, + not: function( selector ) { + return this.pushStack( winnow( this, selector || [], true ) ); + }, + is: function( selector ) { + return !!winnow( + this, + + // If this is a positional/relative selector, check membership in the returned set + // so $("p:first").is("p:last") won't return true for a doc with two "p". + typeof selector === "string" && rneedsContext.test( selector ) ? + jQuery( selector ) : + selector || [], + false + ).length; } + } ); - return this.pushStack( matched ); - }; -}); -var rnotwhite = (/\S+/g); +// Initialize a jQuery object -// String to Object options format cache -var optionsCache = {}; +// A central reference to the root jQuery(document) + var rootjQuery, -// Convert String-formatted options into Object-formatted ones and store in cache -function createOptions( options ) { - var object = optionsCache[ options ] = {}; - jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) { - object[ flag ] = true; - }); - return object; -} + // A simple way to check for HTML strings + // Prioritize #id over <tag> to avoid XSS via location.hash (#9521) + // Strict HTML recognition (#11290: must start with <) + // Shortcut simple #id case for speed + rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/, -/* - * Create a callback list using the following parameters: - * - * options: an optional list of space-separated options that will change how - * the callback list behaves or a more traditional option object - * - * By default a callback list will act like an event callback list and can be - * "fired" multiple times. - * - * Possible options: - * - * once: will ensure the callback list can only be fired once (like a Deferred) - * - * memory: will keep track of previous values and will call any callback added - * after the list has been fired right away with the latest "memorized" - * values (like a Deferred) - * - * unique: will ensure a callback can only be added once (no duplicate in the list) - * - * stopOnFalse: interrupt callings when a callback returns false - * - */ -jQuery.Callbacks = function( options ) { - - // Convert options from String-formatted to Object-formatted if needed - // (we check in cache first) - options = typeof options === "string" ? - ( optionsCache[ options ] || createOptions( options ) ) : - jQuery.extend( {}, options ); - - var // Last fire value (for non-forgettable lists) - memory, - // Flag to know if list was already fired - fired, - // Flag to know if list is currently firing - firing, - // First callback to fire (used internally by add and fireWith) - firingStart, - // End of the loop when firing - firingLength, - // Index of currently firing callback (modified by remove if needed) - firingIndex, - // Actual callback list - list = [], - // Stack of fire calls for repeatable lists - stack = !options.once && [], - // Fire callbacks - fire = function( data ) { - memory = options.memory && data; - fired = true; - firingIndex = firingStart || 0; - firingStart = 0; - firingLength = list.length; - firing = true; - for ( ; list && firingIndex < firingLength; firingIndex++ ) { - if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) { - memory = false; // To prevent further calls using add - break; + init = jQuery.fn.init = function( selector, context, root ) { + var match, elem; + + // HANDLE: $(""), $(null), $(undefined), $(false) + if ( !selector ) { + return this; + } + + // Method init() accepts an alternate rootjQuery + // so migrate can support jQuery.sub (gh-2101) + root = root || rootjQuery; + + // Handle HTML strings + if ( typeof selector === "string" ) { + if ( selector[ 0 ] === "<" && + selector[ selector.length - 1 ] === ">" && + selector.length >= 3 ) { + + // Assume that strings that start and end with <> are HTML and skip the regex check + match = [ null, selector, null ]; + + } else { + match = rquickExpr.exec( selector ); + } + + // Match html or make sure no context is specified for #id + if ( match && ( match[ 1 ] || !context ) ) { + + // HANDLE: $(html) -> $(array) + if ( match[ 1 ] ) { + context = context instanceof jQuery ? context[ 0 ] : context; + + // Option to run scripts is true for back-compat + // Intentionally let the error be thrown if parseHTML is not present + jQuery.merge( this, jQuery.parseHTML( + match[ 1 ], + context && context.nodeType ? context.ownerDocument || context : document, + true + ) ); + + // HANDLE: $(html, props) + if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) { + for ( match in context ) { + + // Properties of context are called as methods if possible + if ( isFunction( this[ match ] ) ) { + this[ match ]( context[ match ] ); + + // ...and otherwise set as attributes + } else { + this.attr( match, context[ match ] ); + } + } + } + + return this; + + // HANDLE: $(#id) + } else { + elem = document.getElementById( match[ 2 ] ); + + if ( elem ) { + + // Inject the element directly into the jQuery object + this[ 0 ] = elem; + this.length = 1; + } + return this; + } + + // HANDLE: $(expr, $(...)) + } else if ( !context || context.jquery ) { + return ( context || root ).find( selector ); + + // HANDLE: $(expr, context) + // (which is just equivalent to: $(context).find(expr) + } else { + return this.constructor( context ).find( selector ); } + + // HANDLE: $(DOMElement) + } else if ( selector.nodeType ) { + this[ 0 ] = selector; + this.length = 1; + return this; + + // HANDLE: $(function) + // Shortcut for document ready + } else if ( isFunction( selector ) ) { + return root.ready !== undefined ? + root.ready( selector ) : + + // Execute immediately if ready is not present + selector( jQuery ); } - firing = false; - if ( list ) { - if ( stack ) { - if ( stack.length ) { - fire( stack.shift() ); + + return jQuery.makeArray( selector, this ); + }; + +// Give the init function the jQuery prototype for later instantiation + init.prototype = jQuery.fn; + +// Initialize central reference + rootjQuery = jQuery( document ); + + + var rparentsprev = /^(?:parents|prev(?:Until|All))/, + + // Methods guaranteed to produce a unique set when starting from a unique set + guaranteedUnique = { + children: true, + contents: true, + next: true, + prev: true + }; + + jQuery.fn.extend( { + has: function( target ) { + var targets = jQuery( target, this ), + l = targets.length; + + return this.filter( function() { + var i = 0; + for ( ; i < l; i++ ) { + if ( jQuery.contains( this, targets[ i ] ) ) { + return true; + } + } + } ); + }, + + closest: function( selectors, context ) { + var cur, + i = 0, + l = this.length, + matched = [], + targets = typeof selectors !== "string" && jQuery( selectors ); + + // Positional selectors never match, since there's no _selection_ context + if ( !rneedsContext.test( selectors ) ) { + for ( ; i < l; i++ ) { + for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) { + + // Always skip document fragments + if ( cur.nodeType < 11 && ( targets ? + targets.index( cur ) > -1 : + + // Don't pass non-elements to Sizzle + cur.nodeType === 1 && + jQuery.find.matchesSelector( cur, selectors ) ) ) { + + matched.push( cur ); + break; + } + } + } + } + + return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched ); + }, + + // Determine the position of an element within the set + index: function( elem ) { + + // No argument, return index in parent + if ( !elem ) { + return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1; + } + + // Index in selector + if ( typeof elem === "string" ) { + return indexOf.call( jQuery( elem ), this[ 0 ] ); + } + + // Locate the position of the desired element + return indexOf.call( this, + + // If it receives a jQuery object, the first element is used + elem.jquery ? elem[ 0 ] : elem + ); + }, + + add: function( selector, context ) { + return this.pushStack( + jQuery.uniqueSort( + jQuery.merge( this.get(), jQuery( selector, context ) ) + ) + ); + }, + + addBack: function( selector ) { + return this.add( selector == null ? + this.prevObject : this.prevObject.filter( selector ) + ); + } + } ); + + function sibling( cur, dir ) { + while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {} + return cur; + } + + jQuery.each( { + parent: function( elem ) { + var parent = elem.parentNode; + return parent && parent.nodeType !== 11 ? parent : null; + }, + parents: function( elem ) { + return dir( elem, "parentNode" ); + }, + parentsUntil: function( elem, _i, until ) { + return dir( elem, "parentNode", until ); + }, + next: function( elem ) { + return sibling( elem, "nextSibling" ); + }, + prev: function( elem ) { + return sibling( elem, "previousSibling" ); + }, + nextAll: function( elem ) { + return dir( elem, "nextSibling" ); + }, + prevAll: function( elem ) { + return dir( elem, "previousSibling" ); + }, + nextUntil: function( elem, _i, until ) { + return dir( elem, "nextSibling", until ); + }, + prevUntil: function( elem, _i, until ) { + return dir( elem, "previousSibling", until ); + }, + siblings: function( elem ) { + return siblings( ( elem.parentNode || {} ).firstChild, elem ); + }, + children: function( elem ) { + return siblings( elem.firstChild ); + }, + contents: function( elem ) { + if ( elem.contentDocument != null && + + // Support: IE 11+ + // <object> elements with no `data` attribute has an object + // `contentDocument` with a `null` prototype. + getProto( elem.contentDocument ) ) { + + return elem.contentDocument; + } + + // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only + // Treat the template element as a regular one in browsers that + // don't support it. + if ( nodeName( elem, "template" ) ) { + elem = elem.content || elem; + } + + return jQuery.merge( [], elem.childNodes ); + } + }, function( name, fn ) { + jQuery.fn[ name ] = function( until, selector ) { + var matched = jQuery.map( this, fn, until ); + + if ( name.slice( -5 ) !== "Until" ) { + selector = until; + } + + if ( selector && typeof selector === "string" ) { + matched = jQuery.filter( selector, matched ); + } + + if ( this.length > 1 ) { + + // Remove duplicates + if ( !guaranteedUnique[ name ] ) { + jQuery.uniqueSort( matched ); + } + + // Reverse order for parents* and prev-derivatives + if ( rparentsprev.test( name ) ) { + matched.reverse(); + } + } + + return this.pushStack( matched ); + }; + } ); + var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g ); + + + +// Convert String-formatted options into Object-formatted ones + function createOptions( options ) { + var object = {}; + jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) { + object[ flag ] = true; + } ); + return object; + } + + /* + * Create a callback list using the following parameters: + * + * options: an optional list of space-separated options that will change how + * the callback list behaves or a more traditional option object + * + * By default a callback list will act like an event callback list and can be + * "fired" multiple times. + * + * Possible options: + * + * once: will ensure the callback list can only be fired once (like a Deferred) + * + * memory: will keep track of previous values and will call any callback added + * after the list has been fired right away with the latest "memorized" + * values (like a Deferred) + * + * unique: will ensure a callback can only be added once (no duplicate in the list) + * + * stopOnFalse: interrupt callings when a callback returns false + * + */ + jQuery.Callbacks = function( options ) { + + // Convert options from String-formatted to Object-formatted if needed + // (we check in cache first) + options = typeof options === "string" ? + createOptions( options ) : + jQuery.extend( {}, options ); + + var // Flag to know if list is currently firing + firing, + + // Last fire value for non-forgettable lists + memory, + + // Flag to know if list was already fired + fired, + + // Flag to prevent firing + locked, + + // Actual callback list + list = [], + + // Queue of execution data for repeatable lists + queue = [], + + // Index of currently firing callback (modified by add/remove as needed) + firingIndex = -1, + + // Fire callbacks + fire = function() { + + // Enforce single-firing + locked = locked || options.once; + + // Execute callbacks for all pending executions, + // respecting firingIndex overrides and runtime changes + fired = firing = true; + for ( ; queue.length; firingIndex = -1 ) { + memory = queue.shift(); + while ( ++firingIndex < list.length ) { + + // Run callback and check for early termination + if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false && + options.stopOnFalse ) { + + // Jump to end and forget the data so .add doesn't re-fire + firingIndex = list.length; + memory = false; + } + } + } + + // Forget the data if we're done with it + if ( !options.memory ) { + memory = false; + } + + firing = false; + + // Clean up if we're done firing for good + if ( locked ) { + + // Keep an empty list if we have data for future add calls + if ( memory ) { + list = []; + + // Otherwise, this object is spent + } else { + list = ""; + } + } + }, + + // Actual Callbacks object + self = { + + // Add a callback or a collection of callbacks to the list + add: function() { + if ( list ) { + + // If we have memory from a past run, we should fire after adding + if ( memory && !firing ) { + firingIndex = list.length - 1; + queue.push( memory ); + } + + ( function add( args ) { + jQuery.each( args, function( _, arg ) { + if ( isFunction( arg ) ) { + if ( !options.unique || !self.has( arg ) ) { + list.push( arg ); + } + } else if ( arg && arg.length && toType( arg ) !== "string" ) { + + // Inspect recursively + add( arg ); + } + } ); + } )( arguments ); + + if ( memory && !firing ) { + fire(); + } + } + return this; + }, + + // Remove a callback from the list + remove: function() { + jQuery.each( arguments, function( _, arg ) { + var index; + while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { + list.splice( index, 1 ); + + // Handle firing indexes + if ( index <= firingIndex ) { + firingIndex--; + } + } + } ); + return this; + }, + + // Check if a given callback is in the list. + // If no argument is given, return whether or not list has callbacks attached. + has: function( fn ) { + return fn ? + jQuery.inArray( fn, list ) > -1 : + list.length > 0; + }, + + // Remove all callbacks from the list + empty: function() { + if ( list ) { + list = []; + } + return this; + }, + + // Disable .fire and .add + // Abort any current/pending executions + // Clear all callbacks and values + disable: function() { + locked = queue = []; + list = memory = ""; + return this; + }, + disabled: function() { + return !list; + }, + + // Disable .fire + // Also disable .add unless we have memory (since it would have no effect) + // Abort any pending executions + lock: function() { + locked = queue = []; + if ( !memory && !firing ) { + list = memory = ""; + } + return this; + }, + locked: function() { + return !!locked; + }, + + // Call all callbacks with the given context and arguments + fireWith: function( context, args ) { + if ( !locked ) { + args = args || []; + args = [ context, args.slice ? args.slice() : args ]; + queue.push( args ); + if ( !firing ) { + fire(); + } + } + return this; + }, + + // Call all the callbacks with the given arguments + fire: function() { + self.fireWith( this, arguments ); + return this; + }, + + // To know if the callbacks have already been called at least once + fired: function() { + return !!fired; + } + }; + + return self; + }; + + + function Identity( v ) { + return v; + } + function Thrower( ex ) { + throw ex; + } + + function adoptValue( value, resolve, reject, noValue ) { + var method; + + try { + + // Check for promise aspect first to privilege synchronous behavior + if ( value && isFunction( ( method = value.promise ) ) ) { + method.call( value ).done( resolve ).fail( reject ); + + // Other thenables + } else if ( value && isFunction( ( method = value.then ) ) ) { + method.call( value, resolve, reject ); + + // Other non-thenables + } else { + + // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer: + // * false: [ value ].slice( 0 ) => resolve( value ) + // * true: [ value ].slice( 1 ) => resolve() + resolve.apply( undefined, [ value ].slice( noValue ) ); + } + + // For Promises/A+, convert exceptions into rejections + // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in + // Deferred#then to conditionally suppress rejection. + } catch ( value ) { + + // Support: Android 4.0 only + // Strict mode functions invoked without .call/.apply get global-object context + reject.apply( undefined, [ value ] ); + } + } + + jQuery.extend( { + + Deferred: function( func ) { + var tuples = [ + + // action, add listener, callbacks, + // ... .then handlers, argument index, [final state] + [ "notify", "progress", jQuery.Callbacks( "memory" ), + jQuery.Callbacks( "memory" ), 2 ], + [ "resolve", "done", jQuery.Callbacks( "once memory" ), + jQuery.Callbacks( "once memory" ), 0, "resolved" ], + [ "reject", "fail", jQuery.Callbacks( "once memory" ), + jQuery.Callbacks( "once memory" ), 1, "rejected" ] + ], + state = "pending", + promise = { + state: function() { + return state; + }, + always: function() { + deferred.done( arguments ).fail( arguments ); + return this; + }, + "catch": function( fn ) { + return promise.then( null, fn ); + }, + + // Keep pipe for back-compat + pipe: function( /* fnDone, fnFail, fnProgress */ ) { + var fns = arguments; + + return jQuery.Deferred( function( newDefer ) { + jQuery.each( tuples, function( _i, tuple ) { + + // Map tuples (progress, done, fail) to arguments (done, fail, progress) + var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ]; + + // deferred.progress(function() { bind to newDefer or newDefer.notify }) + // deferred.done(function() { bind to newDefer or newDefer.resolve }) + // deferred.fail(function() { bind to newDefer or newDefer.reject }) + deferred[ tuple[ 1 ] ]( function() { + var returned = fn && fn.apply( this, arguments ); + if ( returned && isFunction( returned.promise ) ) { + returned.promise() + .progress( newDefer.notify ) + .done( newDefer.resolve ) + .fail( newDefer.reject ); + } else { + newDefer[ tuple[ 0 ] + "With" ]( + this, + fn ? [ returned ] : arguments + ); + } + } ); + } ); + fns = null; + } ).promise(); + }, + then: function( onFulfilled, onRejected, onProgress ) { + var maxDepth = 0; + function resolve( depth, deferred, handler, special ) { + return function() { + var that = this, + args = arguments, + mightThrow = function() { + var returned, then; + + // Support: Promises/A+ section 2.3.3.3.3 + // https://promisesaplus.com/#point-59 + // Ignore double-resolution attempts + if ( depth < maxDepth ) { + return; + } + + returned = handler.apply( that, args ); + + // Support: Promises/A+ section 2.3.1 + // https://promisesaplus.com/#point-48 + if ( returned === deferred.promise() ) { + throw new TypeError( "Thenable self-resolution" ); + } + + // Support: Promises/A+ sections 2.3.3.1, 3.5 + // https://promisesaplus.com/#point-54 + // https://promisesaplus.com/#point-75 + // Retrieve `then` only once + then = returned && + + // Support: Promises/A+ section 2.3.4 + // https://promisesaplus.com/#point-64 + // Only check objects and functions for thenability + ( typeof returned === "object" || + typeof returned === "function" ) && + returned.then; + + // Handle a returned thenable + if ( isFunction( then ) ) { + + // Special processors (notify) just wait for resolution + if ( special ) { + then.call( + returned, + resolve( maxDepth, deferred, Identity, special ), + resolve( maxDepth, deferred, Thrower, special ) + ); + + // Normal processors (resolve) also hook into progress + } else { + + // ...and disregard older resolution values + maxDepth++; + + then.call( + returned, + resolve( maxDepth, deferred, Identity, special ), + resolve( maxDepth, deferred, Thrower, special ), + resolve( maxDepth, deferred, Identity, + deferred.notifyWith ) + ); + } + + // Handle all other returned values + } else { + + // Only substitute handlers pass on context + // and multiple values (non-spec behavior) + if ( handler !== Identity ) { + that = undefined; + args = [ returned ]; + } + + // Process the value(s) + // Default process is resolve + ( special || deferred.resolveWith )( that, args ); + } + }, + + // Only normal processors (resolve) catch and reject exceptions + process = special ? + mightThrow : + function() { + try { + mightThrow(); + } catch ( e ) { + + if ( jQuery.Deferred.exceptionHook ) { + jQuery.Deferred.exceptionHook( e, + process.stackTrace ); + } + + // Support: Promises/A+ section 2.3.3.3.4.1 + // https://promisesaplus.com/#point-61 + // Ignore post-resolution exceptions + if ( depth + 1 >= maxDepth ) { + + // Only substitute handlers pass on context + // and multiple values (non-spec behavior) + if ( handler !== Thrower ) { + that = undefined; + args = [ e ]; + } + + deferred.rejectWith( that, args ); + } + } + }; + + // Support: Promises/A+ section 2.3.3.3.1 + // https://promisesaplus.com/#point-57 + // Re-resolve promises immediately to dodge false rejection from + // subsequent errors + if ( depth ) { + process(); + } else { + + // Call an optional hook to record the stack, in case of exception + // since it's otherwise lost when execution goes async + if ( jQuery.Deferred.getStackHook ) { + process.stackTrace = jQuery.Deferred.getStackHook(); + } + window.setTimeout( process ); + } + }; + } + + return jQuery.Deferred( function( newDefer ) { + + // progress_handlers.add( ... ) + tuples[ 0 ][ 3 ].add( + resolve( + 0, + newDefer, + isFunction( onProgress ) ? + onProgress : + Identity, + newDefer.notifyWith + ) + ); + + // fulfilled_handlers.add( ... ) + tuples[ 1 ][ 3 ].add( + resolve( + 0, + newDefer, + isFunction( onFulfilled ) ? + onFulfilled : + Identity + ) + ); + + // rejected_handlers.add( ... ) + tuples[ 2 ][ 3 ].add( + resolve( + 0, + newDefer, + isFunction( onRejected ) ? + onRejected : + Thrower + ) + ); + } ).promise(); + }, + + // Get a promise for this deferred + // If obj is provided, the promise aspect is added to the object + promise: function( obj ) { + return obj != null ? jQuery.extend( obj, promise ) : promise; + } + }, + deferred = {}; + + // Add list-specific methods + jQuery.each( tuples, function( i, tuple ) { + var list = tuple[ 2 ], + stateString = tuple[ 5 ]; + + // promise.progress = list.add + // promise.done = list.add + // promise.fail = list.add + promise[ tuple[ 1 ] ] = list.add; + + // Handle state + if ( stateString ) { + list.add( + function() { + + // state = "resolved" (i.e., fulfilled) + // state = "rejected" + state = stateString; + }, + + // rejected_callbacks.disable + // fulfilled_callbacks.disable + tuples[ 3 - i ][ 2 ].disable, + + // rejected_handlers.disable + // fulfilled_handlers.disable + tuples[ 3 - i ][ 3 ].disable, + + // progress_callbacks.lock + tuples[ 0 ][ 2 ].lock, + + // progress_handlers.lock + tuples[ 0 ][ 3 ].lock + ); + } + + // progress_handlers.fire + // fulfilled_handlers.fire + // rejected_handlers.fire + list.add( tuple[ 3 ].fire ); + + // deferred.notify = function() { deferred.notifyWith(...) } + // deferred.resolve = function() { deferred.resolveWith(...) } + // deferred.reject = function() { deferred.rejectWith(...) } + deferred[ tuple[ 0 ] ] = function() { + deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments ); + return this; + }; + + // deferred.notifyWith = list.fireWith + // deferred.resolveWith = list.fireWith + // deferred.rejectWith = list.fireWith + deferred[ tuple[ 0 ] + "With" ] = list.fireWith; + } ); + + // Make the deferred a promise + promise.promise( deferred ); + + // Call given func if any + if ( func ) { + func.call( deferred, deferred ); + } + + // All done! + return deferred; + }, + + // Deferred helper + when: function( singleValue ) { + var + + // count of uncompleted subordinates + remaining = arguments.length, + + // count of unprocessed arguments + i = remaining, + + // subordinate fulfillment data + resolveContexts = Array( i ), + resolveValues = slice.call( arguments ), + + // the master Deferred + master = jQuery.Deferred(), + + // subordinate callback factory + updateFunc = function( i ) { + return function( value ) { + resolveContexts[ i ] = this; + resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; + if ( !( --remaining ) ) { + master.resolveWith( resolveContexts, resolveValues ); + } + }; + }; + + // Single- and empty arguments are adopted like Promise.resolve + if ( remaining <= 1 ) { + adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject, + !remaining ); + + // Use .then() to unwrap secondary thenables (cf. gh-3000) + if ( master.state() === "pending" || + isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) { + + return master.then(); + } + } + + // Multiple arguments are aggregated like Promise.all array elements + while ( i-- ) { + adoptValue( resolveValues[ i ], updateFunc( i ), master.reject ); + } + + return master.promise(); + } + } ); + + +// These usually indicate a programmer mistake during development, +// warn about them ASAP rather than swallowing them by default. + var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/; + + jQuery.Deferred.exceptionHook = function( error, stack ) { + + // Support: IE 8 - 9 only + // Console exists when dev tools are open, which can happen at any time + if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) { + window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack ); + } + }; + + + + + jQuery.readyException = function( error ) { + window.setTimeout( function() { + throw error; + } ); + }; + + + + +// The deferred used on DOM ready + var readyList = jQuery.Deferred(); + + jQuery.fn.ready = function( fn ) { + + readyList + .then( fn ) + + // Wrap jQuery.readyException in a function so that the lookup + // happens at the time of error handling instead of callback + // registration. + .catch( function( error ) { + jQuery.readyException( error ); + } ); + + return this; + }; + + jQuery.extend( { + + // Is the DOM ready to be used? Set to true once it occurs. + isReady: false, + + // A counter to track how many items to wait for before + // the ready event fires. See #6781 + readyWait: 1, + + // Handle when the DOM is ready + ready: function( wait ) { + + // Abort if there are pending holds or we're already ready + if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { + return; + } + + // Remember that the DOM is ready + jQuery.isReady = true; + + // If a normal DOM Ready event fired, decrement, and wait if need be + if ( wait !== true && --jQuery.readyWait > 0 ) { + return; + } + + // If there are functions bound, to execute + readyList.resolveWith( document, [ jQuery ] ); + } + } ); + + jQuery.ready.then = readyList.then; + +// The ready event handler and self cleanup method + function completed() { + document.removeEventListener( "DOMContentLoaded", completed ); + window.removeEventListener( "load", completed ); + jQuery.ready(); + } + +// Catch cases where $(document).ready() is called +// after the browser event has already occurred. +// Support: IE <=9 - 10 only +// Older IE sometimes signals "interactive" too soon + if ( document.readyState === "complete" || + ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) { + + // Handle it asynchronously to allow scripts the opportunity to delay ready + window.setTimeout( jQuery.ready ); + + } else { + + // Use the handy event callback + document.addEventListener( "DOMContentLoaded", completed ); + + // A fallback to window.onload, that will always work + window.addEventListener( "load", completed ); + } + + + + +// Multifunctional method to get and set values of a collection +// The value/s can optionally be executed if it's a function + var access = function( elems, fn, key, value, chainable, emptyGet, raw ) { + var i = 0, + len = elems.length, + bulk = key == null; + + // Sets many values + if ( toType( key ) === "object" ) { + chainable = true; + for ( i in key ) { + access( elems, fn, i, key[ i ], true, emptyGet, raw ); + } + + // Sets one value + } else if ( value !== undefined ) { + chainable = true; + + if ( !isFunction( value ) ) { + raw = true; + } + + if ( bulk ) { + + // Bulk operations run against the entire set + if ( raw ) { + fn.call( elems, value ); + fn = null; + + // ...except when executing function values + } else { + bulk = fn; + fn = function( elem, _key, value ) { + return bulk.call( jQuery( elem ), value ); + }; + } + } + + if ( fn ) { + for ( ; i < len; i++ ) { + fn( + elems[ i ], key, raw ? + value : + value.call( elems[ i ], i, fn( elems[ i ], key ) ) + ); + } + } + } + + if ( chainable ) { + return elems; + } + + // Gets + if ( bulk ) { + return fn.call( elems ); + } + + return len ? fn( elems[ 0 ], key ) : emptyGet; + }; + + +// Matches dashed string for camelizing + var rmsPrefix = /^-ms-/, + rdashAlpha = /-([a-z])/g; + +// Used by camelCase as callback to replace() + function fcamelCase( _all, letter ) { + return letter.toUpperCase(); + } + +// Convert dashed to camelCase; used by the css and data modules +// Support: IE <=9 - 11, Edge 12 - 15 +// Microsoft forgot to hump their vendor prefix (#9572) + function camelCase( string ) { + return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); + } + var acceptData = function( owner ) { + + // Accepts only: + // - Node + // - Node.ELEMENT_NODE + // - Node.DOCUMENT_NODE + // - Object + // - Any + return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType ); + }; + + + + + function Data() { + this.expando = jQuery.expando + Data.uid++; + } + + Data.uid = 1; + + Data.prototype = { + + cache: function( owner ) { + + // Check if the owner object already has a cache + var value = owner[ this.expando ]; + + // If not, create one + if ( !value ) { + value = {}; + + // We can accept data for non-element nodes in modern browsers, + // but we should not, see #8335. + // Always return an empty object. + if ( acceptData( owner ) ) { + + // If it is a node unlikely to be stringify-ed or looped over + // use plain assignment + if ( owner.nodeType ) { + owner[ this.expando ] = value; + + // Otherwise secure it in a non-enumerable property + // configurable must be true to allow the property to be + // deleted when data is removed + } else { + Object.defineProperty( owner, this.expando, { + value: value, + configurable: true + } ); + } + } + } + + return value; + }, + set: function( owner, data, value ) { + var prop, + cache = this.cache( owner ); + + // Handle: [ owner, key, value ] args + // Always use camelCase key (gh-2257) + if ( typeof data === "string" ) { + cache[ camelCase( data ) ] = value; + + // Handle: [ owner, { properties } ] args + } else { + + // Copy the properties one-by-one to the cache object + for ( prop in data ) { + cache[ camelCase( prop ) ] = data[ prop ]; + } + } + return cache; + }, + get: function( owner, key ) { + return key === undefined ? + this.cache( owner ) : + + // Always use camelCase key (gh-2257) + owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ]; + }, + access: function( owner, key, value ) { + + // In cases where either: + // + // 1. No key was specified + // 2. A string key was specified, but no value provided + // + // Take the "read" path and allow the get method to determine + // which value to return, respectively either: + // + // 1. The entire cache object + // 2. The data stored at the key + // + if ( key === undefined || + ( ( key && typeof key === "string" ) && value === undefined ) ) { + + return this.get( owner, key ); + } + + // When the key is not a string, or both a key and value + // are specified, set or extend (existing objects) with either: + // + // 1. An object of properties + // 2. A key and value + // + this.set( owner, key, value ); + + // Since the "set" path can have two possible entry points + // return the expected data based on which path was taken[*] + return value !== undefined ? value : key; + }, + remove: function( owner, key ) { + var i, + cache = owner[ this.expando ]; + + if ( cache === undefined ) { + return; + } + + if ( key !== undefined ) { + + // Support array or space separated string of keys + if ( Array.isArray( key ) ) { + + // If key is an array of keys... + // We always set camelCase keys, so remove that. + key = key.map( camelCase ); + } else { + key = camelCase( key ); + + // If a key with the spaces exists, use it. + // Otherwise, create an array by matching non-whitespace + key = key in cache ? + [ key ] : + ( key.match( rnothtmlwhite ) || [] ); + } + + i = key.length; + + while ( i-- ) { + delete cache[ key[ i ] ]; + } + } + + // Remove the expando if there's no more data + if ( key === undefined || jQuery.isEmptyObject( cache ) ) { + + // Support: Chrome <=35 - 45 + // Webkit & Blink performance suffers when deleting properties + // from DOM nodes, so set to undefined instead + // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted) + if ( owner.nodeType ) { + owner[ this.expando ] = undefined; + } else { + delete owner[ this.expando ]; + } + } + }, + hasData: function( owner ) { + var cache = owner[ this.expando ]; + return cache !== undefined && !jQuery.isEmptyObject( cache ); + } + }; + var dataPriv = new Data(); + + var dataUser = new Data(); + + + +// Implementation Summary +// +// 1. Enforce API surface and semantic compatibility with 1.9.x branch +// 2. Improve the module's maintainability by reducing the storage +// paths to a single mechanism. +// 3. Use the same single mechanism to support "private" and "user" data. +// 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData) +// 5. Avoid exposing implementation details on user objects (eg. expando properties) +// 6. Provide a clear path for implementation upgrade to WeakMap in 2014 + + var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, + rmultiDash = /[A-Z]/g; + + function getData( data ) { + if ( data === "true" ) { + return true; + } + + if ( data === "false" ) { + return false; + } + + if ( data === "null" ) { + return null; + } + + // Only convert to a number if it doesn't change the string + if ( data === +data + "" ) { + return +data; + } + + if ( rbrace.test( data ) ) { + return JSON.parse( data ); + } + + return data; + } + + function dataAttr( elem, key, data ) { + var name; + + // If nothing was found internally, try to fetch any + // data from the HTML5 data-* attribute + if ( data === undefined && elem.nodeType === 1 ) { + name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase(); + data = elem.getAttribute( name ); + + if ( typeof data === "string" ) { + try { + data = getData( data ); + } catch ( e ) {} + + // Make sure we set the data so it isn't changed later + dataUser.set( elem, key, data ); + } else { + data = undefined; + } + } + return data; + } + + jQuery.extend( { + hasData: function( elem ) { + return dataUser.hasData( elem ) || dataPriv.hasData( elem ); + }, + + data: function( elem, name, data ) { + return dataUser.access( elem, name, data ); + }, + + removeData: function( elem, name ) { + dataUser.remove( elem, name ); + }, + + // TODO: Now that all calls to _data and _removeData have been replaced + // with direct calls to dataPriv methods, these can be deprecated. + _data: function( elem, name, data ) { + return dataPriv.access( elem, name, data ); + }, + + _removeData: function( elem, name ) { + dataPriv.remove( elem, name ); + } + } ); + + jQuery.fn.extend( { + data: function( key, value ) { + var i, name, data, + elem = this[ 0 ], + attrs = elem && elem.attributes; + + // Gets all values + if ( key === undefined ) { + if ( this.length ) { + data = dataUser.get( elem ); + + if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) { + i = attrs.length; + while ( i-- ) { + + // Support: IE 11 only + // The attrs elements can be null (#14894) + if ( attrs[ i ] ) { + name = attrs[ i ].name; + if ( name.indexOf( "data-" ) === 0 ) { + name = camelCase( name.slice( 5 ) ); + dataAttr( elem, name, data[ name ] ); + } + } + } + dataPriv.set( elem, "hasDataAttrs", true ); + } + } + + return data; + } + + // Sets multiple values + if ( typeof key === "object" ) { + return this.each( function() { + dataUser.set( this, key ); + } ); + } + + return access( this, function( value ) { + var data; + + // The calling jQuery object (element matches) is not empty + // (and therefore has an element appears at this[ 0 ]) and the + // `value` parameter was not undefined. An empty jQuery object + // will result in `undefined` for elem = this[ 0 ] which will + // throw an exception if an attempt to read a data cache is made. + if ( elem && value === undefined ) { + + // Attempt to get data from the cache + // The key will always be camelCased in Data + data = dataUser.get( elem, key ); + if ( data !== undefined ) { + return data; + } + + // Attempt to "discover" the data in + // HTML5 custom data-* attrs + data = dataAttr( elem, key ); + if ( data !== undefined ) { + return data; + } + + // We tried really hard, but the data doesn't exist. + return; + } + + // Set the data... + this.each( function() { + + // We always store the camelCased key + dataUser.set( this, key, value ); + } ); + }, null, value, arguments.length > 1, null, true ); + }, + + removeData: function( key ) { + return this.each( function() { + dataUser.remove( this, key ); + } ); + } + } ); + + + jQuery.extend( { + queue: function( elem, type, data ) { + var queue; + + if ( elem ) { + type = ( type || "fx" ) + "queue"; + queue = dataPriv.get( elem, type ); + + // Speed up dequeue by getting out quickly if this is just a lookup + if ( data ) { + if ( !queue || Array.isArray( data ) ) { + queue = dataPriv.access( elem, type, jQuery.makeArray( data ) ); + } else { + queue.push( data ); + } + } + return queue || []; + } + }, + + dequeue: function( elem, type ) { + type = type || "fx"; + + var queue = jQuery.queue( elem, type ), + startLength = queue.length, + fn = queue.shift(), + hooks = jQuery._queueHooks( elem, type ), + next = function() { + jQuery.dequeue( elem, type ); + }; + + // If the fx queue is dequeued, always remove the progress sentinel + if ( fn === "inprogress" ) { + fn = queue.shift(); + startLength--; + } + + if ( fn ) { + + // Add a progress sentinel to prevent the fx queue from being + // automatically dequeued + if ( type === "fx" ) { + queue.unshift( "inprogress" ); + } + + // Clear up the last queue stop function + delete hooks.stop; + fn.call( elem, next, hooks ); + } + + if ( !startLength && hooks ) { + hooks.empty.fire(); + } + }, + + // Not public - generate a queueHooks object, or return the current one + _queueHooks: function( elem, type ) { + var key = type + "queueHooks"; + return dataPriv.get( elem, key ) || dataPriv.access( elem, key, { + empty: jQuery.Callbacks( "once memory" ).add( function() { + dataPriv.remove( elem, [ type + "queue", key ] ); + } ) + } ); + } + } ); + + jQuery.fn.extend( { + queue: function( type, data ) { + var setter = 2; + + if ( typeof type !== "string" ) { + data = type; + type = "fx"; + setter--; + } + + if ( arguments.length < setter ) { + return jQuery.queue( this[ 0 ], type ); + } + + return data === undefined ? + this : + this.each( function() { + var queue = jQuery.queue( this, type, data ); + + // Ensure a hooks for this queue + jQuery._queueHooks( this, type ); + + if ( type === "fx" && queue[ 0 ] !== "inprogress" ) { + jQuery.dequeue( this, type ); + } + } ); + }, + dequeue: function( type ) { + return this.each( function() { + jQuery.dequeue( this, type ); + } ); + }, + clearQueue: function( type ) { + return this.queue( type || "fx", [] ); + }, + + // Get a promise resolved when queues of a certain type + // are emptied (fx is the type by default) + promise: function( type, obj ) { + var tmp, + count = 1, + defer = jQuery.Deferred(), + elements = this, + i = this.length, + resolve = function() { + if ( !( --count ) ) { + defer.resolveWith( elements, [ elements ] ); + } + }; + + if ( typeof type !== "string" ) { + obj = type; + type = undefined; + } + type = type || "fx"; + + while ( i-- ) { + tmp = dataPriv.get( elements[ i ], type + "queueHooks" ); + if ( tmp && tmp.empty ) { + count++; + tmp.empty.add( resolve ); + } + } + resolve(); + return defer.promise( obj ); + } + } ); + var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source; + + var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ); + + + var cssExpand = [ "Top", "Right", "Bottom", "Left" ]; + + var documentElement = document.documentElement; + + + + var isAttached = function( elem ) { + return jQuery.contains( elem.ownerDocument, elem ); + }, + composed = { composed: true }; + + // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only + // Check attachment across shadow DOM boundaries when possible (gh-3504) + // Support: iOS 10.0-10.2 only + // Early iOS 10 versions support `attachShadow` but not `getRootNode`, + // leading to errors. We need to check for `getRootNode`. + if ( documentElement.getRootNode ) { + isAttached = function( elem ) { + return jQuery.contains( elem.ownerDocument, elem ) || + elem.getRootNode( composed ) === elem.ownerDocument; + }; + } + var isHiddenWithinTree = function( elem, el ) { + + // isHiddenWithinTree might be called from jQuery#filter function; + // in that case, element will be second argument + elem = el || elem; + + // Inline style trumps all + return elem.style.display === "none" || + elem.style.display === "" && + + // Otherwise, check computed style + // Support: Firefox <=43 - 45 + // Disconnected elements can have computed display: none, so first confirm that elem is + // in the document. + isAttached( elem ) && + + jQuery.css( elem, "display" ) === "none"; + }; + + + + function adjustCSS( elem, prop, valueParts, tween ) { + var adjusted, scale, + maxIterations = 20, + currentValue = tween ? + function() { + return tween.cur(); + } : + function() { + return jQuery.css( elem, prop, "" ); + }, + initial = currentValue(), + unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ), + + // Starting value computation is required for potential unit mismatches + initialInUnit = elem.nodeType && + ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) && + rcssNum.exec( jQuery.css( elem, prop ) ); + + if ( initialInUnit && initialInUnit[ 3 ] !== unit ) { + + // Support: Firefox <=54 + // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144) + initial = initial / 2; + + // Trust units reported by jQuery.css + unit = unit || initialInUnit[ 3 ]; + + // Iteratively approximate from a nonzero starting point + initialInUnit = +initial || 1; + + while ( maxIterations-- ) { + + // Evaluate and update our best guess (doubling guesses that zero out). + // Finish if the scale equals or crosses 1 (making the old*new product non-positive). + jQuery.style( elem, prop, initialInUnit + unit ); + if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) { + maxIterations = 0; + } + initialInUnit = initialInUnit / scale; + + } + + initialInUnit = initialInUnit * 2; + jQuery.style( elem, prop, initialInUnit + unit ); + + // Make sure we update the tween properties later on + valueParts = valueParts || []; + } + + if ( valueParts ) { + initialInUnit = +initialInUnit || +initial || 0; + + // Apply relative offset (+=/-=) if specified + adjusted = valueParts[ 1 ] ? + initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] : + +valueParts[ 2 ]; + if ( tween ) { + tween.unit = unit; + tween.start = initialInUnit; + tween.end = adjusted; + } + } + return adjusted; + } + + + var defaultDisplayMap = {}; + + function getDefaultDisplay( elem ) { + var temp, + doc = elem.ownerDocument, + nodeName = elem.nodeName, + display = defaultDisplayMap[ nodeName ]; + + if ( display ) { + return display; + } + + temp = doc.body.appendChild( doc.createElement( nodeName ) ); + display = jQuery.css( temp, "display" ); + + temp.parentNode.removeChild( temp ); + + if ( display === "none" ) { + display = "block"; + } + defaultDisplayMap[ nodeName ] = display; + + return display; + } + + function showHide( elements, show ) { + var display, elem, + values = [], + index = 0, + length = elements.length; + + // Determine new display value for elements that need to change + for ( ; index < length; index++ ) { + elem = elements[ index ]; + if ( !elem.style ) { + continue; + } + + display = elem.style.display; + if ( show ) { + + // Since we force visibility upon cascade-hidden elements, an immediate (and slow) + // check is required in this first loop unless we have a nonempty display value (either + // inline or about-to-be-restored) + if ( display === "none" ) { + values[ index ] = dataPriv.get( elem, "display" ) || null; + if ( !values[ index ] ) { + elem.style.display = ""; + } + } + if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) { + values[ index ] = getDefaultDisplay( elem ); + } + } else { + if ( display !== "none" ) { + values[ index ] = "none"; + + // Remember what we're overwriting + dataPriv.set( elem, "display", display ); + } + } + } + + // Set the display of the elements in a second loop to avoid constant reflow + for ( index = 0; index < length; index++ ) { + if ( values[ index ] != null ) { + elements[ index ].style.display = values[ index ]; + } + } + + return elements; + } + + jQuery.fn.extend( { + show: function() { + return showHide( this, true ); + }, + hide: function() { + return showHide( this ); + }, + toggle: function( state ) { + if ( typeof state === "boolean" ) { + return state ? this.show() : this.hide(); + } + + return this.each( function() { + if ( isHiddenWithinTree( this ) ) { + jQuery( this ).show(); + } else { + jQuery( this ).hide(); + } + } ); + } + } ); + var rcheckableType = ( /^(?:checkbox|radio)$/i ); + + var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i ); + + var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i ); + + + + ( function() { + var fragment = document.createDocumentFragment(), + div = fragment.appendChild( document.createElement( "div" ) ), + input = document.createElement( "input" ); + + // Support: Android 4.0 - 4.3 only + // Check state lost if the name is set (#11217) + // Support: Windows Web Apps (WWA) + // `name` and `type` must use .setAttribute for WWA (#14901) + input.setAttribute( "type", "radio" ); + input.setAttribute( "checked", "checked" ); + input.setAttribute( "name", "t" ); + + div.appendChild( input ); + + // Support: Android <=4.1 only + // Older WebKit doesn't clone checked state correctly in fragments + support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked; + + // Support: IE <=11 only + // Make sure textarea (and checkbox) defaultValue is properly cloned + div.innerHTML = "<textarea>x</textarea>"; + support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue; + + // Support: IE <=9 only + // IE <=9 replaces <option> tags with their contents when inserted outside of + // the select element. + div.innerHTML = "<option></option>"; + support.option = !!div.lastChild; + } )(); + + +// We have to close these tags to support XHTML (#13200) + var wrapMap = { + + // XHTML parsers do not magically insert elements in the + // same way that tag soup parsers do. So we cannot shorten + // this by omitting <tbody> or other required elements. + thead: [ 1, "<table>", "</table>" ], + col: [ 2, "<table><colgroup>", "</colgroup></table>" ], + tr: [ 2, "<table><tbody>", "</tbody></table>" ], + td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ], + + _default: [ 0, "", "" ] + }; + + wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; + wrapMap.th = wrapMap.td; + +// Support: IE <=9 only + if ( !support.option ) { + wrapMap.optgroup = wrapMap.option = [ 1, "<select multiple='multiple'>", "</select>" ]; + } + + + function getAll( context, tag ) { + + // Support: IE <=9 - 11 only + // Use typeof to avoid zero-argument method invocation on host objects (#15151) + var ret; + + if ( typeof context.getElementsByTagName !== "undefined" ) { + ret = context.getElementsByTagName( tag || "*" ); + + } else if ( typeof context.querySelectorAll !== "undefined" ) { + ret = context.querySelectorAll( tag || "*" ); + + } else { + ret = []; + } + + if ( tag === undefined || tag && nodeName( context, tag ) ) { + return jQuery.merge( [ context ], ret ); + } + + return ret; + } + + +// Mark scripts as having already been evaluated + function setGlobalEval( elems, refElements ) { + var i = 0, + l = elems.length; + + for ( ; i < l; i++ ) { + dataPriv.set( + elems[ i ], + "globalEval", + !refElements || dataPriv.get( refElements[ i ], "globalEval" ) + ); + } + } + + + var rhtml = /<|&#?\w+;/; + + function buildFragment( elems, context, scripts, selection, ignored ) { + var elem, tmp, tag, wrap, attached, j, + fragment = context.createDocumentFragment(), + nodes = [], + i = 0, + l = elems.length; + + for ( ; i < l; i++ ) { + elem = elems[ i ]; + + if ( elem || elem === 0 ) { + + // Add nodes directly + if ( toType( elem ) === "object" ) { + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem ); + + // Convert non-html into a text node + } else if ( !rhtml.test( elem ) ) { + nodes.push( context.createTextNode( elem ) ); + + // Convert html into DOM nodes + } else { + tmp = tmp || fragment.appendChild( context.createElement( "div" ) ); + + // Deserialize a standard representation + tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase(); + wrap = wrapMap[ tag ] || wrapMap._default; + tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ]; + + // Descend through wrappers to the right content + j = wrap[ 0 ]; + while ( j-- ) { + tmp = tmp.lastChild; + } + + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + jQuery.merge( nodes, tmp.childNodes ); + + // Remember the top-level container + tmp = fragment.firstChild; + + // Ensure the created nodes are orphaned (#12392) + tmp.textContent = ""; + } + } + } + + // Remove wrapper from fragment + fragment.textContent = ""; + + i = 0; + while ( ( elem = nodes[ i++ ] ) ) { + + // Skip elements already in the context collection (trac-4087) + if ( selection && jQuery.inArray( elem, selection ) > -1 ) { + if ( ignored ) { + ignored.push( elem ); + } + continue; + } + + attached = isAttached( elem ); + + // Append to fragment + tmp = getAll( fragment.appendChild( elem ), "script" ); + + // Preserve script evaluation history + if ( attached ) { + setGlobalEval( tmp ); + } + + // Capture executables + if ( scripts ) { + j = 0; + while ( ( elem = tmp[ j++ ] ) ) { + if ( rscriptType.test( elem.type || "" ) ) { + scripts.push( elem ); + } + } + } + } + + return fragment; + } + + + var + rkeyEvent = /^key/, + rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/, + rtypenamespace = /^([^.]*)(?:\.(.+)|)/; + + function returnTrue() { + return true; + } + + function returnFalse() { + return false; + } + +// Support: IE <=9 - 11+ +// focus() and blur() are asynchronous, except when they are no-op. +// So expect focus to be synchronous when the element is already active, +// and blur to be synchronous when the element is not already active. +// (focus and blur are always synchronous in other supported browsers, +// this just defines when we can count on it). + function expectSync( elem, type ) { + return ( elem === safeActiveElement() ) === ( type === "focus" ); + } + +// Support: IE <=9 only +// Accessing document.activeElement can throw unexpectedly +// https://bugs.jquery.com/ticket/13393 + function safeActiveElement() { + try { + return document.activeElement; + } catch ( err ) { } + } + + function on( elem, types, selector, data, fn, one ) { + var origFn, type; + + // Types can be a map of types/handlers + if ( typeof types === "object" ) { + + // ( types-Object, selector, data ) + if ( typeof selector !== "string" ) { + + // ( types-Object, data ) + data = data || selector; + selector = undefined; + } + for ( type in types ) { + on( elem, type, selector, data, types[ type ], one ); + } + return elem; + } + + if ( data == null && fn == null ) { + + // ( types, fn ) + fn = selector; + data = selector = undefined; + } else if ( fn == null ) { + if ( typeof selector === "string" ) { + + // ( types, selector, fn ) + fn = data; + data = undefined; + } else { + + // ( types, data, fn ) + fn = data; + data = selector; + selector = undefined; + } + } + if ( fn === false ) { + fn = returnFalse; + } else if ( !fn ) { + return elem; + } + + if ( one === 1 ) { + origFn = fn; + fn = function( event ) { + + // Can use an empty set, since event contains the info + jQuery().off( event ); + return origFn.apply( this, arguments ); + }; + + // Use same guid so caller can remove using origFn + fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ ); + } + return elem.each( function() { + jQuery.event.add( this, types, fn, data, selector ); + } ); + } + + /* + * Helper functions for managing events -- not part of the public interface. + * Props to Dean Edwards' addEvent library for many of the ideas. + */ + jQuery.event = { + + global: {}, + + add: function( elem, types, handler, data, selector ) { + + var handleObjIn, eventHandle, tmp, + events, t, handleObj, + special, handlers, type, namespaces, origType, + elemData = dataPriv.get( elem ); + + // Only attach events to objects that accept data + if ( !acceptData( elem ) ) { + return; + } + + // Caller can pass in an object of custom data in lieu of the handler + if ( handler.handler ) { + handleObjIn = handler; + handler = handleObjIn.handler; + selector = handleObjIn.selector; + } + + // Ensure that invalid selectors throw exceptions at attach time + // Evaluate against documentElement in case elem is a non-element node (e.g., document) + if ( selector ) { + jQuery.find.matchesSelector( documentElement, selector ); + } + + // Make sure that the handler has a unique ID, used to find/remove it later + if ( !handler.guid ) { + handler.guid = jQuery.guid++; + } + + // Init the element's event structure and main handler, if this is the first + if ( !( events = elemData.events ) ) { + events = elemData.events = Object.create( null ); + } + if ( !( eventHandle = elemData.handle ) ) { + eventHandle = elemData.handle = function( e ) { + + // Discard the second event of a jQuery.event.trigger() and + // when an event is called after a page has unloaded + return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ? + jQuery.event.dispatch.apply( elem, arguments ) : undefined; + }; + } + + // Handle multiple events separated by a space + types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; + t = types.length; + while ( t-- ) { + tmp = rtypenamespace.exec( types[ t ] ) || []; + type = origType = tmp[ 1 ]; + namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort(); + + // There *must* be a type, no attaching namespace-only handlers + if ( !type ) { + continue; + } + + // If event changes its type, use the special event handlers for the changed type + special = jQuery.event.special[ type ] || {}; + + // If selector defined, determine special event api type, otherwise given type + type = ( selector ? special.delegateType : special.bindType ) || type; + + // Update special based on newly reset type + special = jQuery.event.special[ type ] || {}; + + // handleObj is passed to all event handlers + handleObj = jQuery.extend( { + type: type, + origType: origType, + data: data, + handler: handler, + guid: handler.guid, + selector: selector, + needsContext: selector && jQuery.expr.match.needsContext.test( selector ), + namespace: namespaces.join( "." ) + }, handleObjIn ); + + // Init the event handler queue if we're the first + if ( !( handlers = events[ type ] ) ) { + handlers = events[ type ] = []; + handlers.delegateCount = 0; + + // Only use addEventListener if the special events handler returns false + if ( !special.setup || + special.setup.call( elem, data, namespaces, eventHandle ) === false ) { + + if ( elem.addEventListener ) { + elem.addEventListener( type, eventHandle ); + } + } + } + + if ( special.add ) { + special.add.call( elem, handleObj ); + + if ( !handleObj.handler.guid ) { + handleObj.handler.guid = handler.guid; + } + } + + // Add to the element's handler list, delegates in front + if ( selector ) { + handlers.splice( handlers.delegateCount++, 0, handleObj ); + } else { + handlers.push( handleObj ); + } + + // Keep track of which events have ever been used, for event optimization + jQuery.event.global[ type ] = true; + } + + }, + + // Detach an event or set of events from an element + remove: function( elem, types, handler, selector, mappedTypes ) { + + var j, origCount, tmp, + events, t, handleObj, + special, handlers, type, namespaces, origType, + elemData = dataPriv.hasData( elem ) && dataPriv.get( elem ); + + if ( !elemData || !( events = elemData.events ) ) { + return; + } + + // Once for each type.namespace in types; type may be omitted + types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; + t = types.length; + while ( t-- ) { + tmp = rtypenamespace.exec( types[ t ] ) || []; + type = origType = tmp[ 1 ]; + namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort(); + + // Unbind all events (on this namespace, if provided) for the element + if ( !type ) { + for ( type in events ) { + jQuery.event.remove( elem, type + types[ t ], handler, selector, true ); + } + continue; + } + + special = jQuery.event.special[ type ] || {}; + type = ( selector ? special.delegateType : special.bindType ) || type; + handlers = events[ type ] || []; + tmp = tmp[ 2 ] && + new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ); + + // Remove matching events + origCount = j = handlers.length; + while ( j-- ) { + handleObj = handlers[ j ]; + + if ( ( mappedTypes || origType === handleObj.origType ) && + ( !handler || handler.guid === handleObj.guid ) && + ( !tmp || tmp.test( handleObj.namespace ) ) && + ( !selector || selector === handleObj.selector || + selector === "**" && handleObj.selector ) ) { + handlers.splice( j, 1 ); + + if ( handleObj.selector ) { + handlers.delegateCount--; + } + if ( special.remove ) { + special.remove.call( elem, handleObj ); + } + } + } + + // Remove generic event handler if we removed something and no more handlers exist + // (avoids potential for endless recursion during removal of special event handlers) + if ( origCount && !handlers.length ) { + if ( !special.teardown || + special.teardown.call( elem, namespaces, elemData.handle ) === false ) { + + jQuery.removeEvent( elem, type, elemData.handle ); + } + + delete events[ type ]; + } + } + + // Remove data and the expando if it's no longer used + if ( jQuery.isEmptyObject( events ) ) { + dataPriv.remove( elem, "handle events" ); + } + }, + + dispatch: function( nativeEvent ) { + + var i, j, ret, matched, handleObj, handlerQueue, + args = new Array( arguments.length ), + + // Make a writable jQuery.Event from the native event object + event = jQuery.event.fix( nativeEvent ), + + handlers = ( + dataPriv.get( this, "events" ) || Object.create( null ) + )[ event.type ] || [], + special = jQuery.event.special[ event.type ] || {}; + + // Use the fix-ed jQuery.Event rather than the (read-only) native event + args[ 0 ] = event; + + for ( i = 1; i < arguments.length; i++ ) { + args[ i ] = arguments[ i ]; + } + + event.delegateTarget = this; + + // Call the preDispatch hook for the mapped type, and let it bail if desired + if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { + return; + } + + // Determine handlers + handlerQueue = jQuery.event.handlers.call( this, event, handlers ); + + // Run delegates first; they may want to stop propagation beneath us + i = 0; + while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) { + event.currentTarget = matched.elem; + + j = 0; + while ( ( handleObj = matched.handlers[ j++ ] ) && + !event.isImmediatePropagationStopped() ) { + + // If the event is namespaced, then each handler is only invoked if it is + // specially universal or its namespaces are a superset of the event's. + if ( !event.rnamespace || handleObj.namespace === false || + event.rnamespace.test( handleObj.namespace ) ) { + + event.handleObj = handleObj; + event.data = handleObj.data; + + ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle || + handleObj.handler ).apply( matched.elem, args ); + + if ( ret !== undefined ) { + if ( ( event.result = ret ) === false ) { + event.preventDefault(); + event.stopPropagation(); + } + } } - } else if ( memory ) { - list = []; - } else { - self.disable(); } } + + // Call the postDispatch hook for the mapped type + if ( special.postDispatch ) { + special.postDispatch.call( this, event ); + } + + return event.result; }, - // Actual Callbacks object - self = { - // Add a callback or a collection of callbacks to the list - add: function() { - if ( list ) { - // First, we save the current length - var start = list.length; - (function add( args ) { - jQuery.each( args, function( _, arg ) { - var type = jQuery.type( arg ); - if ( type === "function" ) { - if ( !options.unique || !self.has( arg ) ) { - list.push( arg ); - } - } else if ( arg && arg.length && type !== "string" ) { - // Inspect recursively - add( arg ); + + handlers: function( event, handlers ) { + var i, handleObj, sel, matchedHandlers, matchedSelectors, + handlerQueue = [], + delegateCount = handlers.delegateCount, + cur = event.target; + + // Find delegate handlers + if ( delegateCount && + + // Support: IE <=9 + // Black-hole SVG <use> instance trees (trac-13180) + cur.nodeType && + + // Support: Firefox <=42 + // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861) + // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click + // Support: IE 11 only + // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343) + !( event.type === "click" && event.button >= 1 ) ) { + + for ( ; cur !== this; cur = cur.parentNode || this ) { + + // Don't check non-elements (#13208) + // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) + if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) { + matchedHandlers = []; + matchedSelectors = {}; + for ( i = 0; i < delegateCount; i++ ) { + handleObj = handlers[ i ]; + + // Don't conflict with Object.prototype properties (#13203) + sel = handleObj.selector + " "; + + if ( matchedSelectors[ sel ] === undefined ) { + matchedSelectors[ sel ] = handleObj.needsContext ? + jQuery( sel, this ).index( cur ) > -1 : + jQuery.find( sel, this, null, [ cur ] ).length; } - }); - })( arguments ); - // Do we need to add the callbacks to the - // current firing batch? - if ( firing ) { - firingLength = list.length; - // With memory, if we're not firing then - // we should call right away - } else if ( memory ) { - firingStart = start; - fire( memory ); - } - } - return this; - }, - // Remove a callback from the list - remove: function() { - if ( list ) { - jQuery.each( arguments, function( _, arg ) { - var index; - while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { - list.splice( index, 1 ); - // Handle firing indexes - if ( firing ) { - if ( index <= firingLength ) { - firingLength--; - } - if ( index <= firingIndex ) { - firingIndex--; - } + if ( matchedSelectors[ sel ] ) { + matchedHandlers.push( handleObj ); } } - }); - } - return this; - }, - // Check if a given callback is in the list. - // If no argument is given, return whether or not list has callbacks attached. - has: function( fn ) { - return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length ); - }, - // Remove all callbacks from the list - empty: function() { - list = []; - firingLength = 0; - return this; - }, - // Have the list do nothing anymore - disable: function() { - list = stack = memory = undefined; - return this; - }, - // Is it disabled? - disabled: function() { - return !list; - }, - // Lock the list in its current state - lock: function() { - stack = undefined; - if ( !memory ) { - self.disable(); - } - return this; - }, - // Is it locked? - locked: function() { - return !stack; - }, - // Call all callbacks with the given context and arguments - fireWith: function( context, args ) { - if ( list && ( !fired || stack ) ) { - args = args || []; - args = [ context, args.slice ? args.slice() : args ]; - if ( firing ) { - stack.push( args ); - } else { - fire( args ); + if ( matchedHandlers.length ) { + handlerQueue.push( { elem: cur, handlers: matchedHandlers } ); + } } } - return this; - }, - // Call all the callbacks with the given arguments - fire: function() { - self.fireWith( this, arguments ); - return this; - }, - // To know if the callbacks have already been called at least once - fired: function() { - return !!fired; } - }; - return self; -}; + // Add the remaining (directly-bound) handlers + cur = this; + if ( delegateCount < handlers.length ) { + handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } ); + } + return handlerQueue; + }, -jQuery.extend({ + addProp: function( name, hook ) { + Object.defineProperty( jQuery.Event.prototype, name, { + enumerable: true, + configurable: true, - Deferred: function( func ) { - var tuples = [ - // action, add listener, listener list, final state - [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ], - [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ], - [ "notify", "progress", jQuery.Callbacks("memory") ] - ], - state = "pending", - promise = { - state: function() { - return state; - }, - always: function() { - deferred.done( arguments ).fail( arguments ); - return this; - }, - then: function( /* fnDone, fnFail, fnProgress */ ) { - var fns = arguments; - return jQuery.Deferred(function( newDefer ) { - jQuery.each( tuples, function( i, tuple ) { - var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ]; - // deferred[ done | fail | progress ] for forwarding actions to newDefer - deferred[ tuple[1] ](function() { - var returned = fn && fn.apply( this, arguments ); - if ( returned && jQuery.isFunction( returned.promise ) ) { - returned.promise() - .done( newDefer.resolve ) - .fail( newDefer.reject ) - .progress( newDefer.notify ); - } else { - newDefer[ tuple[ 0 ] + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments ); - } - }); - }); - fns = null; - }).promise(); - }, - // Get a promise for this deferred - // If obj is provided, the promise aspect is added to the object - promise: function( obj ) { - return obj != null ? jQuery.extend( obj, promise ) : promise; + get: isFunction( hook ) ? + function() { + if ( this.originalEvent ) { + return hook( this.originalEvent ); + } + } : + function() { + if ( this.originalEvent ) { + return this.originalEvent[ name ]; + } + }, + + set: function( value ) { + Object.defineProperty( this, name, { + enumerable: true, + configurable: true, + writable: true, + value: value + } ); } - }, - deferred = {}; + } ); + }, - // Keep pipe for back-compat - promise.pipe = promise.then; + fix: function( originalEvent ) { + return originalEvent[ jQuery.expando ] ? + originalEvent : + new jQuery.Event( originalEvent ); + }, - // Add list-specific methods - jQuery.each( tuples, function( i, tuple ) { - var list = tuple[ 2 ], - stateString = tuple[ 3 ]; + special: { + load: { - // promise[ done | fail | progress ] = list.add - promise[ tuple[1] ] = list.add; + // Prevent triggered image.load events from bubbling to window.load + noBubble: true + }, + click: { - // Handle state - if ( stateString ) { - list.add(function() { - // state = [ resolved | rejected ] - state = stateString; + // Utilize native event to ensure correct state for checkable inputs + setup: function( data ) { - // [ reject_list | resolve_list ].disable; progress_list.lock - }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock ); - } + // For mutual compressibility with _default, replace `this` access with a local var. + // `|| data` is dead code meant only to preserve the variable through minification. + var el = this || data; - // deferred[ resolve | reject | notify ] - deferred[ tuple[0] ] = function() { - deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments ); - return this; - }; - deferred[ tuple[0] + "With" ] = list.fireWith; - }); + // Claim the first handler + if ( rcheckableType.test( el.type ) && + el.click && nodeName( el, "input" ) ) { - // Make the deferred a promise - promise.promise( deferred ); + // dataPriv.set( el, "click", ... ) + leverageNative( el, "click", returnTrue ); + } - // Call given func if any - if ( func ) { - func.call( deferred, deferred ); - } + // Return false to allow normal processing in the caller + return false; + }, + trigger: function( data ) { - // All done! - return deferred; - }, + // For mutual compressibility with _default, replace `this` access with a local var. + // `|| data` is dead code meant only to preserve the variable through minification. + var el = this || data; - // Deferred helper - when: function( subordinate /* , ..., subordinateN */ ) { - var i = 0, - resolveValues = slice.call( arguments ), - length = resolveValues.length, + // Force setup before triggering a click + if ( rcheckableType.test( el.type ) && + el.click && nodeName( el, "input" ) ) { - // the count of uncompleted subordinates - remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0, + leverageNative( el, "click" ); + } - // the master Deferred. If resolveValues consist of only a single Deferred, just use that. - deferred = remaining === 1 ? subordinate : jQuery.Deferred(), + // Return non-false to allow normal event-path propagation + return true; + }, - // Update function for both resolve and progress values - updateFunc = function( i, contexts, values ) { - return function( value ) { - contexts[ i ] = this; - values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; - if ( values === progressValues ) { - deferred.notifyWith( contexts, values ); - } else if ( !( --remaining ) ) { - deferred.resolveWith( contexts, values ); - } - }; + // For cross-browser consistency, suppress native .click() on links + // Also prevent it if we're currently inside a leveraged native-event stack + _default: function( event ) { + var target = event.target; + return rcheckableType.test( target.type ) && + target.click && nodeName( target, "input" ) && + dataPriv.get( target, "click" ) || + nodeName( target, "a" ); + } }, - progressValues, progressContexts, resolveContexts; + beforeunload: { + postDispatch: function( event ) { - // Add listeners to Deferred subordinates; treat others as resolved - if ( length > 1 ) { - progressValues = new Array( length ); - progressContexts = new Array( length ); - resolveContexts = new Array( length ); - for ( ; i < length; i++ ) { - if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) { - resolveValues[ i ].promise() - .done( updateFunc( i, resolveContexts, resolveValues ) ) - .fail( deferred.reject ) - .progress( updateFunc( i, progressContexts, progressValues ) ); - } else { - --remaining; + // Support: Firefox 20+ + // Firefox doesn't alert if the returnValue field is not set. + if ( event.result !== undefined && event.originalEvent ) { + event.originalEvent.returnValue = event.result; + } } } } + }; - // If we're not waiting on anything, resolve the master - if ( !remaining ) { - deferred.resolveWith( resolveContexts, resolveValues ); +// Ensure the presence of an event listener that handles manually-triggered +// synthetic events by interrupting progress until reinvoked in response to +// *native* events that it fires directly, ensuring that state changes have +// already occurred before other listeners are invoked. + function leverageNative( el, type, expectSync ) { + + // Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add + if ( !expectSync ) { + if ( dataPriv.get( el, type ) === undefined ) { + jQuery.event.add( el, type, returnTrue ); + } + return; } - return deferred.promise(); - } -}); + // Register the controller as a special universal handler for all event namespaces + dataPriv.set( el, type, false ); + jQuery.event.add( el, type, { + namespace: false, + handler: function( event ) { + var notAsync, result, + saved = dataPriv.get( this, type ); + + if ( ( event.isTrigger & 1 ) && this[ type ] ) { + + // Interrupt processing of the outer synthetic .trigger()ed event + // Saved data should be false in such cases, but might be a leftover capture object + // from an async native handler (gh-4350) + if ( !saved.length ) { + + // Store arguments for use when handling the inner native event + // There will always be at least one argument (an event object), so this array + // will not be confused with a leftover capture object. + saved = slice.call( arguments ); + dataPriv.set( this, type, saved ); + + // Trigger the native event and capture its result + // Support: IE <=9 - 11+ + // focus() and blur() are asynchronous + notAsync = expectSync( this, type ); + this[ type ](); + result = dataPriv.get( this, type ); + if ( saved !== result || notAsync ) { + dataPriv.set( this, type, false ); + } else { + result = {}; + } + if ( saved !== result ) { + + // Cancel the outer synthetic event + event.stopImmediatePropagation(); + event.preventDefault(); + return result.value; + } + // If this is an inner synthetic event for an event with a bubbling surrogate + // (focus or blur), assume that the surrogate already propagated from triggering the + // native event and prevent that from happening again here. + // This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the + // bubbling surrogate propagates *after* the non-bubbling base), but that seems + // less bad than duplication. + } else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) { + event.stopPropagation(); + } -// The deferred used on DOM ready -var readyList; + // If this is a native event triggered above, everything is now in order + // Fire an inner synthetic event with the original arguments + } else if ( saved.length ) { -jQuery.fn.ready = function( fn ) { - // Add the callback - jQuery.ready.promise().done( fn ); + // ...and capture the result + dataPriv.set( this, type, { + value: jQuery.event.trigger( - return this; -}; + // Support: IE <=9 - 11+ + // Extend with the prototype to reset the above stopImmediatePropagation() + jQuery.extend( saved[ 0 ], jQuery.Event.prototype ), + saved.slice( 1 ), + this + ) + } ); -jQuery.extend({ - // Is the DOM ready to be used? Set to true once it occurs. - isReady: false, + // Abort handling of the native event + event.stopImmediatePropagation(); + } + } + } ); + } - // A counter to track how many items to wait for before - // the ready event fires. See #6781 - readyWait: 1, + jQuery.removeEvent = function( elem, type, handle ) { - // Hold (or release) the ready event - holdReady: function( hold ) { - if ( hold ) { - jQuery.readyWait++; - } else { - jQuery.ready( true ); + // This "if" is needed for plain objects + if ( elem.removeEventListener ) { + elem.removeEventListener( type, handle ); } - }, + }; - // Handle when the DOM is ready - ready: function( wait ) { + jQuery.Event = function( src, props ) { - // Abort if there are pending holds or we're already ready - if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { - return; + // Allow instantiation without the 'new' keyword + if ( !( this instanceof jQuery.Event ) ) { + return new jQuery.Event( src, props ); } - // Remember that the DOM is ready - jQuery.isReady = true; + // Event object + if ( src && src.type ) { + this.originalEvent = src; + this.type = src.type; - // If a normal DOM Ready event fired, decrement, and wait if need be - if ( wait !== true && --jQuery.readyWait > 0 ) { - return; - } + // Events bubbling up the document may have been marked as prevented + // by a handler lower down the tree; reflect the correct value. + this.isDefaultPrevented = src.defaultPrevented || + src.defaultPrevented === undefined && + + // Support: Android <=2.3 only + src.returnValue === false ? + returnTrue : + returnFalse; + + // Create target properties + // Support: Safari <=6 - 7 only + // Target should not be a text node (#504, #13143) + this.target = ( src.target && src.target.nodeType === 3 ) ? + src.target.parentNode : + src.target; - // If there are functions bound, to execute - readyList.resolveWith( document, [ jQuery ] ); + this.currentTarget = src.currentTarget; + this.relatedTarget = src.relatedTarget; - // Trigger any bound ready events - if ( jQuery.fn.triggerHandler ) { - jQuery( document ).triggerHandler( "ready" ); - jQuery( document ).off( "ready" ); + // Event type + } else { + this.type = src; } - } -}); -/** - * The ready event handler and self cleanup method - */ -function completed() { - document.removeEventListener( "DOMContentLoaded", completed, false ); - window.removeEventListener( "load", completed, false ); - jQuery.ready(); -} + // Put explicitly provided properties onto the event object + if ( props ) { + jQuery.extend( this, props ); + } -jQuery.ready.promise = function( obj ) { - if ( !readyList ) { + // Create a timestamp if incoming event doesn't have one + this.timeStamp = src && src.timeStamp || Date.now(); - readyList = jQuery.Deferred(); + // Mark it as fixed + this[ jQuery.expando ] = true; + }; + +// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding +// https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html + jQuery.Event.prototype = { + constructor: jQuery.Event, + isDefaultPrevented: returnFalse, + isPropagationStopped: returnFalse, + isImmediatePropagationStopped: returnFalse, + isSimulated: false, - // Catch cases where $(document).ready() is called after the browser event has already occurred. - // We once tried to use readyState "interactive" here, but it caused issues like the one - // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15 - if ( document.readyState === "complete" ) { - // Handle it asynchronously to allow scripts the opportunity to delay ready - setTimeout( jQuery.ready ); + preventDefault: function() { + var e = this.originalEvent; - } else { + this.isDefaultPrevented = returnTrue; + + if ( e && !this.isSimulated ) { + e.preventDefault(); + } + }, + stopPropagation: function() { + var e = this.originalEvent; + + this.isPropagationStopped = returnTrue; - // Use the handy event callback - document.addEventListener( "DOMContentLoaded", completed, false ); + if ( e && !this.isSimulated ) { + e.stopPropagation(); + } + }, + stopImmediatePropagation: function() { + var e = this.originalEvent; + + this.isImmediatePropagationStopped = returnTrue; + + if ( e && !this.isSimulated ) { + e.stopImmediatePropagation(); + } - // A fallback to window.onload, that will always work - window.addEventListener( "load", completed, false ); + this.stopPropagation(); } - } - return readyList.promise( obj ); -}; + }; + +// Includes all common event props including KeyEvent and MouseEvent specific props + jQuery.each( { + altKey: true, + bubbles: true, + cancelable: true, + changedTouches: true, + ctrlKey: true, + detail: true, + eventPhase: true, + metaKey: true, + pageX: true, + pageY: true, + shiftKey: true, + view: true, + "char": true, + code: true, + charCode: true, + key: true, + keyCode: true, + button: true, + buttons: true, + clientX: true, + clientY: true, + offsetX: true, + offsetY: true, + pointerId: true, + pointerType: true, + screenX: true, + screenY: true, + targetTouches: true, + toElement: true, + touches: true, + + which: function( event ) { + var button = event.button; -// Kick off the DOM ready check even if the user does not -jQuery.ready.promise(); + // Add which for key events + if ( event.which == null && rkeyEvent.test( event.type ) ) { + return event.charCode != null ? event.charCode : event.keyCode; + } + // Add which for click: 1 === left; 2 === middle; 3 === right + if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) { + if ( button & 1 ) { + return 1; + } + if ( button & 2 ) { + return 3; + } + if ( button & 4 ) { + return 2; + } -// Multifunctional method to get and set values of a collection -// The value/s can optionally be executed if it's a function -var access = jQuery.access = function( elems, fn, key, value, chainable, emptyGet, raw ) { - var i = 0, - len = elems.length, - bulk = key == null; + return 0; + } - // Sets many values - if ( jQuery.type( key ) === "object" ) { - chainable = true; - for ( i in key ) { - jQuery.access( elems, fn, i, key[i], true, emptyGet, raw ); + return event.which; } + }, jQuery.event.addProp ); - // Sets one value - } else if ( value !== undefined ) { - chainable = true; + jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) { + jQuery.event.special[ type ] = { - if ( !jQuery.isFunction( value ) ) { - raw = true; - } + // Utilize native event if possible so blur/focus sequence is correct + setup: function() { - if ( bulk ) { - // Bulk operations run against the entire set - if ( raw ) { - fn.call( elems, value ); - fn = null; + // Claim the first handler + // dataPriv.set( this, "focus", ... ) + // dataPriv.set( this, "blur", ... ) + leverageNative( this, type, expectSync ); - // ...except when executing function values - } else { - bulk = fn; - fn = function( elem, key, value ) { - return bulk.call( jQuery( elem ), value ); - }; + // Return false to allow normal processing in the caller + return false; + }, + trigger: function() { + + // Force setup before trigger + leverageNative( this, type ); + + // Return non-false to allow normal event-path propagation + return true; + }, + + delegateType: delegateType + }; + } ); + +// Create mouseenter/leave events using mouseover/out and event-time checks +// so that event delegation works in jQuery. +// Do the same for pointerenter/pointerleave and pointerover/pointerout +// +// Support: Safari 7 only +// Safari sends mouseenter too often; see: +// https://bugs.chromium.org/p/chromium/issues/detail?id=470258 +// for the description of the bug (it existed in older Chrome versions as well). + jQuery.each( { + mouseenter: "mouseover", + mouseleave: "mouseout", + pointerenter: "pointerover", + pointerleave: "pointerout" + }, function( orig, fix ) { + jQuery.event.special[ orig ] = { + delegateType: fix, + bindType: fix, + + handle: function( event ) { + var ret, + target = this, + related = event.relatedTarget, + handleObj = event.handleObj; + + // For mouseenter/leave call the handler if related is outside the target. + // NB: No relatedTarget if the mouse left/entered the browser window + if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) { + event.type = handleObj.origType; + ret = handleObj.handler.apply( this, arguments ); + event.type = fix; + } + return ret; } - } + }; + } ); + + jQuery.fn.extend( { + + on: function( types, selector, data, fn ) { + return on( this, types, selector, data, fn ); + }, + one: function( types, selector, data, fn ) { + return on( this, types, selector, data, fn, 1 ); + }, + off: function( types, selector, fn ) { + var handleObj, type; + if ( types && types.preventDefault && types.handleObj ) { + + // ( event ) dispatched jQuery.Event + handleObj = types.handleObj; + jQuery( types.delegateTarget ).off( + handleObj.namespace ? + handleObj.origType + "." + handleObj.namespace : + handleObj.origType, + handleObj.selector, + handleObj.handler + ); + return this; + } + if ( typeof types === "object" ) { + + // ( types-object [, selector] ) + for ( type in types ) { + this.off( type, selector, types[ type ] ); + } + return this; + } + if ( selector === false || typeof selector === "function" ) { - if ( fn ) { - for ( ; i < len; i++ ) { - fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) ); + // ( types [, fn] ) + fn = selector; + selector = undefined; } + if ( fn === false ) { + fn = returnFalse; + } + return this.each( function() { + jQuery.event.remove( this, types, fn, selector ); + } ); } - } + } ); - return chainable ? - elems : - // Gets - bulk ? - fn.call( elems ) : - len ? fn( elems[0], key ) : emptyGet; -}; + var + // Support: IE <=10 - 11, Edge 12 - 13 only + // In IE/Edge using regex groups here causes severe slowdowns. + // See https://connect.microsoft.com/IE/feedback/details/1736512/ + rnoInnerhtml = /<script|<style|<link/i, -/** - * Determines whether an object can have data - */ -jQuery.acceptData = function( owner ) { - // Accepts only: - // - Node - // - Node.ELEMENT_NODE - // - Node.DOCUMENT_NODE - // - Object - // - Any - /* jshint -W018 */ - return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType ); -}; - - -function Data() { - // Support: Android<4, - // Old WebKit does not have Object.preventExtensions/freeze method, - // return new empty object instead with no [[set]] accessor - Object.defineProperty( this.cache = {}, 0, { - get: function() { - return {}; - } - }); - - this.expando = jQuery.expando + Data.uid++; -} - -Data.uid = 1; -Data.accepts = jQuery.acceptData; - -Data.prototype = { - key: function( owner ) { - // We can accept data for non-element nodes in modern browsers, - // but we should not, see #8335. - // Always return the key for a frozen object. - if ( !Data.accepts( owner ) ) { - return 0; - } + // checked="checked" or checked + rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i, + rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g; - var descriptor = {}, - // Check if the owner object already has a cache key - unlock = owner[ this.expando ]; +// Prefer a tbody over its parent table for containing new rows + function manipulationTarget( elem, content ) { + if ( nodeName( elem, "table" ) && + nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) { - // If not, create one - if ( !unlock ) { - unlock = Data.uid++; + return jQuery( elem ).children( "tbody" )[ 0 ] || elem; + } - // Secure it in a non-enumerable, non-writable property - try { - descriptor[ this.expando ] = { value: unlock }; - Object.defineProperties( owner, descriptor ); + return elem; + } - // Support: Android<4 - // Fallback to a less secure definition - } catch ( e ) { - descriptor[ this.expando ] = unlock; - jQuery.extend( owner, descriptor ); - } +// Replace/restore the type attribute of script elements for safe DOM manipulation + function disableScript( elem ) { + elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type; + return elem; + } + function restoreScript( elem ) { + if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) { + elem.type = elem.type.slice( 5 ); + } else { + elem.removeAttribute( "type" ); } - // Ensure the cache object - if ( !this.cache[ unlock ] ) { - this.cache[ unlock ] = {}; + return elem; + } + + function cloneCopyEvent( src, dest ) { + var i, l, type, pdataOld, udataOld, udataCur, events; + + if ( dest.nodeType !== 1 ) { + return; } - return unlock; - }, - set: function( owner, data, value ) { - var prop, - // There may be an unlock assigned to this node, - // if there is no entry for this "owner", create one inline - // and set the unlock as though an owner entry had always existed - unlock = this.key( owner ), - cache = this.cache[ unlock ]; + // 1. Copy private data: events, handlers, etc. + if ( dataPriv.hasData( src ) ) { + pdataOld = dataPriv.get( src ); + events = pdataOld.events; - // Handle: [ owner, key, value ] args - if ( typeof data === "string" ) { - cache[ data ] = value; + if ( events ) { + dataPriv.remove( dest, "handle events" ); - // Handle: [ owner, { properties } ] args - } else { - // Fresh assignments by object are shallow copied - if ( jQuery.isEmptyObject( cache ) ) { - jQuery.extend( this.cache[ unlock ], data ); - // Otherwise, copy the properties one-by-one to the cache object - } else { - for ( prop in data ) { - cache[ prop ] = data[ prop ]; + for ( type in events ) { + for ( i = 0, l = events[ type ].length; i < l; i++ ) { + jQuery.event.add( dest, type, events[ type ][ i ] ); + } } } } - return cache; - }, - get: function( owner, key ) { - // Either a valid cache is found, or will be created. - // New caches will be created and the unlock returned, - // allowing direct access to the newly created - // empty data object. A valid owner object must be provided. - var cache = this.cache[ this.key( owner ) ]; - return key === undefined ? - cache : cache[ key ]; - }, - access: function( owner, key, value ) { - var stored; - // In cases where either: - // - // 1. No key was specified - // 2. A string key was specified, but no value provided - // - // Take the "read" path and allow the get method to determine - // which value to return, respectively either: - // - // 1. The entire cache object - // 2. The data stored at the key - // - if ( key === undefined || - ((key && typeof key === "string") && value === undefined) ) { + // 2. Copy user data + if ( dataUser.hasData( src ) ) { + udataOld = dataUser.access( src ); + udataCur = jQuery.extend( {}, udataOld ); + + dataUser.set( dest, udataCur ); + } + } + +// Fix IE bugs, see support tests + function fixInput( src, dest ) { + var nodeName = dest.nodeName.toLowerCase(); - stored = this.get( owner, key ); + // Fails to persist the checked state of a cloned checkbox or radio button. + if ( nodeName === "input" && rcheckableType.test( src.type ) ) { + dest.checked = src.checked; - return stored !== undefined ? - stored : this.get( owner, jQuery.camelCase(key) ); + // Fails to return the selected option to the default selected state when cloning options + } else if ( nodeName === "input" || nodeName === "textarea" ) { + dest.defaultValue = src.defaultValue; } + } - // [*]When the key is not a string, or both a key and value - // are specified, set or extend (existing objects) with either: - // - // 1. An object of properties - // 2. A key and value - // - this.set( owner, key, value ); + function domManip( collection, args, callback, ignored ) { - // Since the "set" path can have two possible entry points - // return the expected data based on which path was taken[*] - return value !== undefined ? value : key; - }, - remove: function( owner, key ) { - var i, name, camel, - unlock = this.key( owner ), - cache = this.cache[ unlock ]; + // Flatten any nested arrays + args = flat( args ); - if ( key === undefined ) { - this.cache[ unlock ] = {}; + var fragment, first, scripts, hasScripts, node, doc, + i = 0, + l = collection.length, + iNoClone = l - 1, + value = args[ 0 ], + valueIsFunction = isFunction( value ); - } else { - // Support array or space separated string of keys - if ( jQuery.isArray( key ) ) { - // If "name" is an array of keys... - // When data is initially created, via ("key", "val") signature, - // keys will be converted to camelCase. - // Since there is no way to tell _how_ a key was added, remove - // both plain key and camelCase key. #12786 - // This will only penalize the array argument path. - name = key.concat( key.map( jQuery.camelCase ) ); - } else { - camel = jQuery.camelCase( key ); - // Try the string as a key before any manipulation - if ( key in cache ) { - name = [ key, camel ]; - } else { - // If a key with the spaces exists, use it. - // Otherwise, create an array by matching non-whitespace - name = camel; - name = name in cache ? - [ name ] : ( name.match( rnotwhite ) || [] ); + // We can't cloneNode fragments that contain checked, in WebKit + if ( valueIsFunction || + ( l > 1 && typeof value === "string" && + !support.checkClone && rchecked.test( value ) ) ) { + return collection.each( function( index ) { + var self = collection.eq( index ); + if ( valueIsFunction ) { + args[ 0 ] = value.call( this, index, self.html() ); } - } - - i = name.length; - while ( i-- ) { - delete cache[ name[ i ] ]; - } - } - }, - hasData: function( owner ) { - return !jQuery.isEmptyObject( - this.cache[ owner[ this.expando ] ] || {} - ); - }, - discard: function( owner ) { - if ( owner[ this.expando ] ) { - delete this.cache[ owner[ this.expando ] ]; + domManip( self, args, callback, ignored ); + } ); } - } -}; -var data_priv = new Data(); -var data_user = new Data(); + if ( l ) { + fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored ); + first = fragment.firstChild; + + if ( fragment.childNodes.length === 1 ) { + fragment = first; + } + // Require either new content or an interest in ignored elements to invoke the callback + if ( first || ignored ) { + scripts = jQuery.map( getAll( fragment, "script" ), disableScript ); + hasScripts = scripts.length; + // Use the original fragment for the last item + // instead of the first because it can end up + // being emptied incorrectly in certain situations (#8070). + for ( ; i < l; i++ ) { + node = fragment; -// Implementation Summary -// -// 1. Enforce API surface and semantic compatibility with 1.9.x branch -// 2. Improve the module's maintainability by reducing the storage -// paths to a single mechanism. -// 3. Use the same single mechanism to support "private" and "user" data. -// 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData) -// 5. Avoid exposing implementation details on user objects (eg. expando properties) -// 6. Provide a clear path for implementation upgrade to WeakMap in 2014 + if ( i !== iNoClone ) { + node = jQuery.clone( node, true, true ); -var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, - rmultiDash = /([A-Z])/g; + // Keep references to cloned scripts for later restoration + if ( hasScripts ) { -function dataAttr( elem, key, data ) { - var name; + // Support: Android <=4.0 only, PhantomJS 1 only + // push.apply(_, arraylike) throws on ancient WebKit + jQuery.merge( scripts, getAll( node, "script" ) ); + } + } - // If nothing was found internally, try to fetch any - // data from the HTML5 data-* attribute - if ( data === undefined && elem.nodeType === 1 ) { - name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase(); - data = elem.getAttribute( name ); + callback.call( collection[ i ], node, i ); + } - if ( typeof data === "string" ) { - try { - data = data === "true" ? true : - data === "false" ? false : - data === "null" ? null : - // Only convert to a number if it doesn't change the string - +data + "" === data ? +data : - rbrace.test( data ) ? jQuery.parseJSON( data ) : - data; - } catch( e ) {} - - // Make sure we set the data so it isn't changed later - data_user.set( elem, key, data ); - } else { - data = undefined; - } - } - return data; -} - -jQuery.extend({ - hasData: function( elem ) { - return data_user.hasData( elem ) || data_priv.hasData( elem ); - }, - - data: function( elem, name, data ) { - return data_user.access( elem, name, data ); - }, - - removeData: function( elem, name ) { - data_user.remove( elem, name ); - }, - - // TODO: Now that all calls to _data and _removeData have been replaced - // with direct calls to data_priv methods, these can be deprecated. - _data: function( elem, name, data ) { - return data_priv.access( elem, name, data ); - }, - - _removeData: function( elem, name ) { - data_priv.remove( elem, name ); - } -}); + if ( hasScripts ) { + doc = scripts[ scripts.length - 1 ].ownerDocument; -jQuery.fn.extend({ - data: function( key, value ) { - var i, name, data, - elem = this[ 0 ], - attrs = elem && elem.attributes; + // Reenable scripts + jQuery.map( scripts, restoreScript ); - // Gets all values - if ( key === undefined ) { - if ( this.length ) { - data = data_user.get( elem ); + // Evaluate executable scripts on first document insertion + for ( i = 0; i < hasScripts; i++ ) { + node = scripts[ i ]; + if ( rscriptType.test( node.type || "" ) && + !dataPriv.access( node, "globalEval" ) && + jQuery.contains( doc, node ) ) { - if ( elem.nodeType === 1 && !data_priv.get( elem, "hasDataAttrs" ) ) { - i = attrs.length; - while ( i-- ) { + if ( node.src && ( node.type || "" ).toLowerCase() !== "module" ) { - // Support: IE11+ - // The attrs elements can be null (#14894) - if ( attrs[ i ] ) { - name = attrs[ i ].name; - if ( name.indexOf( "data-" ) === 0 ) { - name = jQuery.camelCase( name.slice(5) ); - dataAttr( elem, name, data[ name ] ); + // Optional AJAX dependency, but won't run scripts if not present + if ( jQuery._evalUrl && !node.noModule ) { + jQuery._evalUrl( node.src, { + nonce: node.nonce || node.getAttribute( "nonce" ) + }, doc ); + } + } else { + DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc ); } } } - data_priv.set( elem, "hasDataAttrs", true ); } } - - return data; } - // Sets multiple values - if ( typeof key === "object" ) { - return this.each(function() { - data_user.set( this, key ); - }); - } - - return access( this, function( value ) { - var data, - camelKey = jQuery.camelCase( key ); + return collection; + } - // The calling jQuery object (element matches) is not empty - // (and therefore has an element appears at this[ 0 ]) and the - // `value` parameter was not undefined. An empty jQuery object - // will result in `undefined` for elem = this[ 0 ] which will - // throw an exception if an attempt to read a data cache is made. - if ( elem && value === undefined ) { - // Attempt to get data from the cache - // with the key as-is - data = data_user.get( elem, key ); - if ( data !== undefined ) { - return data; - } + function remove( elem, selector, keepData ) { + var node, + nodes = selector ? jQuery.filter( selector, elem ) : elem, + i = 0; - // Attempt to get data from the cache - // with the key camelized - data = data_user.get( elem, camelKey ); - if ( data !== undefined ) { - return data; - } + for ( ; ( node = nodes[ i ] ) != null; i++ ) { + if ( !keepData && node.nodeType === 1 ) { + jQuery.cleanData( getAll( node ) ); + } - // Attempt to "discover" the data in - // HTML5 custom data-* attrs - data = dataAttr( elem, camelKey, undefined ); - if ( data !== undefined ) { - return data; + if ( node.parentNode ) { + if ( keepData && isAttached( node ) ) { + setGlobalEval( getAll( node, "script" ) ); } - - // We tried really hard, but the data doesn't exist. - return; + node.parentNode.removeChild( node ); } + } - // Set the data... - this.each(function() { - // First, attempt to store a copy or reference of any - // data that might've been store with a camelCased key. - var data = data_user.get( this, camelKey ); + return elem; + } - // For HTML5 data-* attribute interop, we have to - // store property names with dashes in a camelCase form. - // This might not apply to all properties...* - data_user.set( this, camelKey, value ); + jQuery.extend( { + htmlPrefilter: function( html ) { + return html; + }, - // *... In the case of properties that might _actually_ - // have dashes, we need to also store a copy of that - // unchanged property. - if ( key.indexOf("-") !== -1 && data !== undefined ) { - data_user.set( this, key, value ); - } - }); - }, null, value, arguments.length > 1, null, true ); - }, + clone: function( elem, dataAndEvents, deepDataAndEvents ) { + var i, l, srcElements, destElements, + clone = elem.cloneNode( true ), + inPage = isAttached( elem ); - removeData: function( key ) { - return this.each(function() { - data_user.remove( this, key ); - }); - } -}); + // Fix IE cloning issues + if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) && + !jQuery.isXMLDoc( elem ) ) { + // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2 + destElements = getAll( clone ); + srcElements = getAll( elem ); -jQuery.extend({ - queue: function( elem, type, data ) { - var queue; + for ( i = 0, l = srcElements.length; i < l; i++ ) { + fixInput( srcElements[ i ], destElements[ i ] ); + } + } - if ( elem ) { - type = ( type || "fx" ) + "queue"; - queue = data_priv.get( elem, type ); + // Copy the events from the original to the clone + if ( dataAndEvents ) { + if ( deepDataAndEvents ) { + srcElements = srcElements || getAll( elem ); + destElements = destElements || getAll( clone ); - // Speed up dequeue by getting out quickly if this is just a lookup - if ( data ) { - if ( !queue || jQuery.isArray( data ) ) { - queue = data_priv.access( elem, type, jQuery.makeArray(data) ); + for ( i = 0, l = srcElements.length; i < l; i++ ) { + cloneCopyEvent( srcElements[ i ], destElements[ i ] ); + } } else { - queue.push( data ); + cloneCopyEvent( elem, clone ); } } - return queue || []; - } - }, - - dequeue: function( elem, type ) { - type = type || "fx"; - - var queue = jQuery.queue( elem, type ), - startLength = queue.length, - fn = queue.shift(), - hooks = jQuery._queueHooks( elem, type ), - next = function() { - jQuery.dequeue( elem, type ); - }; - // If the fx queue is dequeued, always remove the progress sentinel - if ( fn === "inprogress" ) { - fn = queue.shift(); - startLength--; - } - - if ( fn ) { - - // Add a progress sentinel to prevent the fx queue from being - // automatically dequeued - if ( type === "fx" ) { - queue.unshift( "inprogress" ); + // Preserve script evaluation history + destElements = getAll( clone, "script" ); + if ( destElements.length > 0 ) { + setGlobalEval( destElements, !inPage && getAll( elem, "script" ) ); } - // Clear up the last queue stop function - delete hooks.stop; - fn.call( elem, next, hooks ); - } - - if ( !startLength && hooks ) { - hooks.empty.fire(); - } - }, - - // Not public - generate a queueHooks object, or return the current one - _queueHooks: function( elem, type ) { - var key = type + "queueHooks"; - return data_priv.get( elem, key ) || data_priv.access( elem, key, { - empty: jQuery.Callbacks("once memory").add(function() { - data_priv.remove( elem, [ type + "queue", key ] ); - }) - }); - } -}); - -jQuery.fn.extend({ - queue: function( type, data ) { - var setter = 2; + // Return the cloned set + return clone; + }, - if ( typeof type !== "string" ) { - data = type; - type = "fx"; - setter--; - } + cleanData: function( elems ) { + var data, elem, type, + special = jQuery.event.special, + i = 0; - if ( arguments.length < setter ) { - return jQuery.queue( this[0], type ); - } + for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) { + if ( acceptData( elem ) ) { + if ( ( data = elem[ dataPriv.expando ] ) ) { + if ( data.events ) { + for ( type in data.events ) { + if ( special[ type ] ) { + jQuery.event.remove( elem, type ); - return data === undefined ? - this : - this.each(function() { - var queue = jQuery.queue( this, type, data ); + // This is a shortcut to avoid jQuery.event.remove's overhead + } else { + jQuery.removeEvent( elem, type, data.handle ); + } + } + } - // Ensure a hooks for this queue - jQuery._queueHooks( this, type ); + // Support: Chrome <=35 - 45+ + // Assign undefined instead of using delete, see Data#remove + elem[ dataPriv.expando ] = undefined; + } + if ( elem[ dataUser.expando ] ) { - if ( type === "fx" && queue[0] !== "inprogress" ) { - jQuery.dequeue( this, type ); - } - }); - }, - dequeue: function( type ) { - return this.each(function() { - jQuery.dequeue( this, type ); - }); - }, - clearQueue: function( type ) { - return this.queue( type || "fx", [] ); - }, - // Get a promise resolved when queues of a certain type - // are emptied (fx is the type by default) - promise: function( type, obj ) { - var tmp, - count = 1, - defer = jQuery.Deferred(), - elements = this, - i = this.length, - resolve = function() { - if ( !( --count ) ) { - defer.resolveWith( elements, [ elements ] ); + // Support: Chrome <=35 - 45+ + // Assign undefined instead of using delete, see Data#remove + elem[ dataUser.expando ] = undefined; + } } - }; - - if ( typeof type !== "string" ) { - obj = type; - type = undefined; - } - type = type || "fx"; - - while ( i-- ) { - tmp = data_priv.get( elements[ i ], type + "queueHooks" ); - if ( tmp && tmp.empty ) { - count++; - tmp.empty.add( resolve ); } } - resolve(); - return defer.promise( obj ); - } -}); -var pnum = (/[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/).source; - -var cssExpand = [ "Top", "Right", "Bottom", "Left" ]; - -var isHidden = function( elem, el ) { - // isHidden might be called from jQuery#filter function; - // in that case, element will be second argument - elem = el || elem; - return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem ); - }; - -var rcheckableType = (/^(?:checkbox|radio)$/i); - + } ); + jQuery.fn.extend( { + detach: function( selector ) { + return remove( this, selector, true ); + }, -(function() { - var fragment = document.createDocumentFragment(), - div = fragment.appendChild( document.createElement( "div" ) ), - input = document.createElement( "input" ); + remove: function( selector ) { + return remove( this, selector ); + }, - // Support: Safari<=5.1 - // Check state lost if the name is set (#11217) - // Support: Windows Web Apps (WWA) - // `name` and `type` must use .setAttribute for WWA (#14901) - input.setAttribute( "type", "radio" ); - input.setAttribute( "checked", "checked" ); - input.setAttribute( "name", "t" ); + text: function( value ) { + return access( this, function( value ) { + return value === undefined ? + jQuery.text( this ) : + this.empty().each( function() { + if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { + this.textContent = value; + } + } ); + }, null, value, arguments.length ); + }, - div.appendChild( input ); + append: function() { + return domManip( this, arguments, function( elem ) { + if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { + var target = manipulationTarget( this, elem ); + target.appendChild( elem ); + } + } ); + }, - // Support: Safari<=5.1, Android<4.2 - // Older WebKit doesn't clone checked state correctly in fragments - support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked; + prepend: function() { + return domManip( this, arguments, function( elem ) { + if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { + var target = manipulationTarget( this, elem ); + target.insertBefore( elem, target.firstChild ); + } + } ); + }, - // Support: IE<=11+ - // Make sure textarea (and checkbox) defaultValue is properly cloned - div.innerHTML = "<textarea>x</textarea>"; - support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue; -})(); -var strundefined = typeof undefined; + before: function() { + return domManip( this, arguments, function( elem ) { + if ( this.parentNode ) { + this.parentNode.insertBefore( elem, this ); + } + } ); + }, + after: function() { + return domManip( this, arguments, function( elem ) { + if ( this.parentNode ) { + this.parentNode.insertBefore( elem, this.nextSibling ); + } + } ); + }, + empty: function() { + var elem, + i = 0; -support.focusinBubbles = "onfocusin" in window; + for ( ; ( elem = this[ i ] ) != null; i++ ) { + if ( elem.nodeType === 1 ) { + // Prevent memory leaks + jQuery.cleanData( getAll( elem, false ) ); -var - rkeyEvent = /^key/, - rmouseEvent = /^(?:mouse|pointer|contextmenu)|click/, - rfocusMorph = /^(?:focusinfocus|focusoutblur)$/, - rtypenamespace = /^([^.]*)(?:\.(.+)|)$/; + // Remove any remaining nodes + elem.textContent = ""; + } + } -function returnTrue() { - return true; -} + return this; + }, -function returnFalse() { - return false; -} + clone: function( dataAndEvents, deepDataAndEvents ) { + dataAndEvents = dataAndEvents == null ? false : dataAndEvents; + deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents; -function safeActiveElement() { - try { - return document.activeElement; - } catch ( err ) { } -} + return this.map( function() { + return jQuery.clone( this, dataAndEvents, deepDataAndEvents ); + } ); + }, -/* - * Helper functions for managing events -- not part of the public interface. - * Props to Dean Edwards' addEvent library for many of the ideas. - */ -jQuery.event = { + html: function( value ) { + return access( this, function( value ) { + var elem = this[ 0 ] || {}, + i = 0, + l = this.length; - global: {}, + if ( value === undefined && elem.nodeType === 1 ) { + return elem.innerHTML; + } - add: function( elem, types, handler, data, selector ) { + // See if we can take a shortcut and just use innerHTML + if ( typeof value === "string" && !rnoInnerhtml.test( value ) && + !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) { - var handleObjIn, eventHandle, tmp, - events, t, handleObj, - special, handlers, type, namespaces, origType, - elemData = data_priv.get( elem ); + value = jQuery.htmlPrefilter( value ); - // Don't attach events to noData or text/comment nodes (but allow plain objects) - if ( !elemData ) { - return; - } + try { + for ( ; i < l; i++ ) { + elem = this[ i ] || {}; - // Caller can pass in an object of custom data in lieu of the handler - if ( handler.handler ) { - handleObjIn = handler; - handler = handleObjIn.handler; - selector = handleObjIn.selector; - } + // Remove element nodes and prevent memory leaks + if ( elem.nodeType === 1 ) { + jQuery.cleanData( getAll( elem, false ) ); + elem.innerHTML = value; + } + } - // Make sure that the handler has a unique ID, used to find/remove it later - if ( !handler.guid ) { - handler.guid = jQuery.guid++; - } + elem = 0; - // Init the element's event structure and main handler, if this is the first - if ( !(events = elemData.events) ) { - events = elemData.events = {}; - } - if ( !(eventHandle = elemData.handle) ) { - eventHandle = elemData.handle = function( e ) { - // Discard the second event of a jQuery.event.trigger() and - // when an event is called after a page has unloaded - return typeof jQuery !== strundefined && jQuery.event.triggered !== e.type ? - jQuery.event.dispatch.apply( elem, arguments ) : undefined; - }; - } + // If using innerHTML throws an exception, use the fallback method + } catch ( e ) {} + } - // Handle multiple events separated by a space - types = ( types || "" ).match( rnotwhite ) || [ "" ]; - t = types.length; - while ( t-- ) { - tmp = rtypenamespace.exec( types[t] ) || []; - type = origType = tmp[1]; - namespaces = ( tmp[2] || "" ).split( "." ).sort(); + if ( elem ) { + this.empty().append( value ); + } + }, null, value, arguments.length ); + }, - // There *must* be a type, no attaching namespace-only handlers - if ( !type ) { - continue; - } + replaceWith: function() { + var ignored = []; - // If event changes its type, use the special event handlers for the changed type - special = jQuery.event.special[ type ] || {}; + // Make the changes, replacing each non-ignored context element with the new content + return domManip( this, arguments, function( elem ) { + var parent = this.parentNode; - // If selector defined, determine special event api type, otherwise given type - type = ( selector ? special.delegateType : special.bindType ) || type; + if ( jQuery.inArray( this, ignored ) < 0 ) { + jQuery.cleanData( getAll( this ) ); + if ( parent ) { + parent.replaceChild( elem, this ); + } + } - // Update special based on newly reset type - special = jQuery.event.special[ type ] || {}; + // Force callback invocation + }, ignored ); + } + } ); - // handleObj is passed to all event handlers - handleObj = jQuery.extend({ - type: type, - origType: origType, - data: data, - handler: handler, - guid: handler.guid, - selector: selector, - needsContext: selector && jQuery.expr.match.needsContext.test( selector ), - namespace: namespaces.join(".") - }, handleObjIn ); + jQuery.each( { + appendTo: "append", + prependTo: "prepend", + insertBefore: "before", + insertAfter: "after", + replaceAll: "replaceWith" + }, function( name, original ) { + jQuery.fn[ name ] = function( selector ) { + var elems, + ret = [], + insert = jQuery( selector ), + last = insert.length - 1, + i = 0; - // Init the event handler queue if we're the first - if ( !(handlers = events[ type ]) ) { - handlers = events[ type ] = []; - handlers.delegateCount = 0; + for ( ; i <= last; i++ ) { + elems = i === last ? this : this.clone( true ); + jQuery( insert[ i ] )[ original ]( elems ); - // Only use addEventListener if the special events handler returns false - if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) { - if ( elem.addEventListener ) { - elem.addEventListener( type, eventHandle, false ); - } - } + // Support: Android <=4.0 only, PhantomJS 1 only + // .get() because push.apply(_, arraylike) throws on ancient WebKit + push.apply( ret, elems.get() ); } - if ( special.add ) { - special.add.call( elem, handleObj ); + return this.pushStack( ret ); + }; + } ); + var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" ); - if ( !handleObj.handler.guid ) { - handleObj.handler.guid = handler.guid; - } - } + var getStyles = function( elem ) { - // Add to the element's handler list, delegates in front - if ( selector ) { - handlers.splice( handlers.delegateCount++, 0, handleObj ); - } else { - handlers.push( handleObj ); - } + // Support: IE <=11 only, Firefox <=30 (#15098, #14150) + // IE throws on elements created in popups + // FF meanwhile throws on frame elements through "defaultView.getComputedStyle" + var view = elem.ownerDocument.defaultView; - // Keep track of which events have ever been used, for event optimization - jQuery.event.global[ type ] = true; + if ( !view || !view.opener ) { + view = window; } - }, + return view.getComputedStyle( elem ); + }; + + var swap = function( elem, options, callback ) { + var ret, name, + old = {}; - // Detach an event or set of events from an element - remove: function( elem, types, handler, selector, mappedTypes ) { + // Remember the old values, and insert the new ones + for ( name in options ) { + old[ name ] = elem.style[ name ]; + elem.style[ name ] = options[ name ]; + } - var j, origCount, tmp, - events, t, handleObj, - special, handlers, type, namespaces, origType, - elemData = data_priv.hasData( elem ) && data_priv.get( elem ); + ret = callback.call( elem ); - if ( !elemData || !(events = elemData.events) ) { - return; + // Revert the old values + for ( name in options ) { + elem.style[ name ] = old[ name ]; } - // Once for each type.namespace in types; type may be omitted - types = ( types || "" ).match( rnotwhite ) || [ "" ]; - t = types.length; - while ( t-- ) { - tmp = rtypenamespace.exec( types[t] ) || []; - type = origType = tmp[1]; - namespaces = ( tmp[2] || "" ).split( "." ).sort(); + return ret; + }; - // Unbind all events (on this namespace, if provided) for the element - if ( !type ) { - for ( type in events ) { - jQuery.event.remove( elem, type + types[ t ], handler, selector, true ); - } - continue; - } - special = jQuery.event.special[ type ] || {}; - type = ( selector ? special.delegateType : special.bindType ) || type; - handlers = events[ type ] || []; - tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ); + var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" ); - // Remove matching events - origCount = j = handlers.length; - while ( j-- ) { - handleObj = handlers[ j ]; - if ( ( mappedTypes || origType === handleObj.origType ) && - ( !handler || handler.guid === handleObj.guid ) && - ( !tmp || tmp.test( handleObj.namespace ) ) && - ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) { - handlers.splice( j, 1 ); - if ( handleObj.selector ) { - handlers.delegateCount--; - } - if ( special.remove ) { - special.remove.call( elem, handleObj ); - } - } - } + ( function() { - // Remove generic event handler if we removed something and no more handlers exist - // (avoids potential for endless recursion during removal of special event handlers) - if ( origCount && !handlers.length ) { - if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) { - jQuery.removeEvent( elem, type, elemData.handle ); - } + // Executing both pixelPosition & boxSizingReliable tests require only one layout + // so they're executed at the same time to save the second computation. + function computeStyleTests() { - delete events[ type ]; + // This is a singleton, we need to execute it only once + if ( !div ) { + return; } - } - // Remove the expando if it's no longer used - if ( jQuery.isEmptyObject( events ) ) { - delete elemData.handle; - data_priv.remove( elem, "events" ); - } - }, - - trigger: function( event, data, elem, onlyHandlers ) { + container.style.cssText = "position:absolute;left:-11111px;width:60px;" + + "margin-top:1px;padding:0;border:0"; + div.style.cssText = + "position:relative;display:block;box-sizing:border-box;overflow:scroll;" + + "margin:auto;border:1px;padding:1px;" + + "width:60%;top:1%"; + documentElement.appendChild( container ).appendChild( div ); - var i, cur, tmp, bubbleType, ontype, handle, special, - eventPath = [ elem || document ], - type = hasOwn.call( event, "type" ) ? event.type : event, - namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : []; + var divStyle = window.getComputedStyle( div ); + pixelPositionVal = divStyle.top !== "1%"; - cur = tmp = elem = elem || document; + // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44 + reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12; - // Don't do events on text and comment nodes - if ( elem.nodeType === 3 || elem.nodeType === 8 ) { - return; - } + // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3 + // Some styles come back with percentage values, even though they shouldn't + div.style.right = "60%"; + pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36; - // focus/blur morphs to focusin/out; ensure we're not firing them right now - if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { - return; - } + // Support: IE 9 - 11 only + // Detect misreporting of content dimensions for box-sizing:border-box elements + boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36; - if ( type.indexOf(".") >= 0 ) { - // Namespaced trigger; create a regexp to match event type in handle() - namespaces = type.split("."); - type = namespaces.shift(); - namespaces.sort(); - } - ontype = type.indexOf(":") < 0 && "on" + type; + // Support: IE 9 only + // Detect overflow:scroll screwiness (gh-3699) + // Support: Chrome <=64 + // Don't get tricked when zoom affects offsetWidth (gh-4029) + div.style.position = "absolute"; + scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12; - // Caller can pass in a jQuery.Event object, Object, or just an event type string - event = event[ jQuery.expando ] ? - event : - new jQuery.Event( type, typeof event === "object" && event ); + documentElement.removeChild( container ); - // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true) - event.isTrigger = onlyHandlers ? 2 : 3; - event.namespace = namespaces.join("."); - event.namespace_re = event.namespace ? - new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) : - null; + // Nullify the div so it wouldn't be stored in the memory and + // it will also be a sign that checks already performed + div = null; + } - // Clean up the event in case it is being reused - event.result = undefined; - if ( !event.target ) { - event.target = elem; + function roundPixelMeasures( measure ) { + return Math.round( parseFloat( measure ) ); } - // Clone any incoming data and prepend the event, creating the handler arg list - data = data == null ? - [ event ] : - jQuery.makeArray( data, [ event ] ); + var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal, + reliableTrDimensionsVal, reliableMarginLeftVal, + container = document.createElement( "div" ), + div = document.createElement( "div" ); - // Allow special events to draw outside the lines - special = jQuery.event.special[ type ] || {}; - if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { + // Finish early in limited (non-browser) environments + if ( !div.style ) { return; } - // Determine event propagation path in advance, per W3C events spec (#9951) - // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) - if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) { + // Support: IE <=9 - 11 only + // Style of cloned element affects source element cloned (#8908) + div.style.backgroundClip = "content-box"; + div.cloneNode( true ).style.backgroundClip = ""; + support.clearCloneStyle = div.style.backgroundClip === "content-box"; - bubbleType = special.delegateType || type; - if ( !rfocusMorph.test( bubbleType + type ) ) { - cur = cur.parentNode; - } - for ( ; cur; cur = cur.parentNode ) { - eventPath.push( cur ); - tmp = cur; - } + jQuery.extend( support, { + boxSizingReliable: function() { + computeStyleTests(); + return boxSizingReliableVal; + }, + pixelBoxStyles: function() { + computeStyleTests(); + return pixelBoxStylesVal; + }, + pixelPosition: function() { + computeStyleTests(); + return pixelPositionVal; + }, + reliableMarginLeft: function() { + computeStyleTests(); + return reliableMarginLeftVal; + }, + scrollboxSize: function() { + computeStyleTests(); + return scrollboxSizeVal; + }, - // Only add window if we got to document (e.g., not plain obj or detached DOM) - if ( tmp === (elem.ownerDocument || document) ) { - eventPath.push( tmp.defaultView || tmp.parentWindow || window ); - } - } + // Support: IE 9 - 11+, Edge 15 - 18+ + // IE/Edge misreport `getComputedStyle` of table rows with width/height + // set in CSS while `offset*` properties report correct values. + // Behavior in IE 9 is more subtle than in newer versions & it passes + // some versions of this test; make sure not to make it pass there! + reliableTrDimensions: function() { + var table, tr, trChild, trStyle; + if ( reliableTrDimensionsVal == null ) { + table = document.createElement( "table" ); + tr = document.createElement( "tr" ); + trChild = document.createElement( "div" ); - // Fire handlers on the event path - i = 0; - while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) { + table.style.cssText = "position:absolute;left:-11111px"; + tr.style.height = "1px"; + trChild.style.height = "9px"; - event.type = i > 1 ? - bubbleType : - special.bindType || type; + documentElement + .appendChild( table ) + .appendChild( tr ) + .appendChild( trChild ); - // jQuery handler - handle = ( data_priv.get( cur, "events" ) || {} )[ event.type ] && data_priv.get( cur, "handle" ); - if ( handle ) { - handle.apply( cur, data ); - } + trStyle = window.getComputedStyle( tr ); + reliableTrDimensionsVal = parseInt( trStyle.height ) > 3; - // Native handler - handle = ontype && cur[ ontype ]; - if ( handle && handle.apply && jQuery.acceptData( cur ) ) { - event.result = handle.apply( cur, data ); - if ( event.result === false ) { - event.preventDefault(); + documentElement.removeChild( table ); } + return reliableTrDimensionsVal; } - } - event.type = type; - - // If nobody prevented the default action, do it now - if ( !onlyHandlers && !event.isDefaultPrevented() ) { + } ); + } )(); - if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) && - jQuery.acceptData( elem ) ) { - // Call a native DOM method on the target with the same name name as the event. - // Don't do default actions on window, that's where global variables be (#6170) - if ( ontype && jQuery.isFunction( elem[ type ] ) && !jQuery.isWindow( elem ) ) { + function curCSS( elem, name, computed ) { + var width, minWidth, maxWidth, ret, - // Don't re-trigger an onFOO event when we call its FOO() method - tmp = elem[ ontype ]; + // Support: Firefox 51+ + // Retrieving style before computed somehow + // fixes an issue with getting wrong values + // on detached elements + style = elem.style; - if ( tmp ) { - elem[ ontype ] = null; - } + computed = computed || getStyles( elem ); - // Prevent re-triggering of the same event, since we already bubbled it above - jQuery.event.triggered = type; - elem[ type ](); - jQuery.event.triggered = undefined; + // getPropertyValue is needed for: + // .css('filter') (IE 9 only, #12537) + // .css('--customProperty) (#3144) + if ( computed ) { + ret = computed.getPropertyValue( name ) || computed[ name ]; - if ( tmp ) { - elem[ ontype ] = tmp; - } - } + if ( ret === "" && !isAttached( elem ) ) { + ret = jQuery.style( elem, name ); } - } - return event.result; - }, + // A tribute to the "awesome hack by Dean Edwards" + // Android Browser returns percentage for some values, + // but width seems to be reliably pixels. + // This is against the CSSOM draft spec: + // https://drafts.csswg.org/cssom/#resolved-values + if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) { - dispatch: function( event ) { + // Remember the original values + width = style.width; + minWidth = style.minWidth; + maxWidth = style.maxWidth; - // Make a writable jQuery.Event from the native event object - event = jQuery.event.fix( event ); + // Put in the new values to get a computed value out + style.minWidth = style.maxWidth = style.width = ret; + ret = computed.width; - var i, j, ret, matched, handleObj, - handlerQueue = [], - args = slice.call( arguments ), - handlers = ( data_priv.get( this, "events" ) || {} )[ event.type ] || [], - special = jQuery.event.special[ event.type ] || {}; - - // Use the fix-ed jQuery.Event rather than the (read-only) native event - args[0] = event; - event.delegateTarget = this; - - // Call the preDispatch hook for the mapped type, and let it bail if desired - if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { - return; + // Revert the changed values + style.width = width; + style.minWidth = minWidth; + style.maxWidth = maxWidth; + } } - // Determine handlers - handlerQueue = jQuery.event.handlers.call( this, event, handlers ); + return ret !== undefined ? - // Run delegates first; they may want to stop propagation beneath us - i = 0; - while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) { - event.currentTarget = matched.elem; - - j = 0; - while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) { + // Support: IE <=9 - 11 only + // IE returns zIndex value as an integer. + ret + "" : + ret; + } - // Triggered event must either 1) have no namespace, or 2) have namespace(s) - // a subset or equal to those in the bound event (both can have no namespace). - if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) { - event.handleObj = handleObj; - event.data = handleObj.data; + function addGetHookIf( conditionFn, hookFn ) { - ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler ) - .apply( matched.elem, args ); + // Define the hook, we'll check on the first run if it's really needed. + return { + get: function() { + if ( conditionFn() ) { - if ( ret !== undefined ) { - if ( (event.result = ret) === false ) { - event.preventDefault(); - event.stopPropagation(); - } - } + // Hook not needed (or it's not possible to use it due + // to missing dependency), remove it. + delete this.get; + return; } - } - } - - // Call the postDispatch hook for the mapped type - if ( special.postDispatch ) { - special.postDispatch.call( this, event ); - } - - return event.result; - }, - handlers: function( event, handlers ) { - var i, matches, sel, handleObj, - handlerQueue = [], - delegateCount = handlers.delegateCount, - cur = event.target; + // Hook needed; redefine it so that the support test is not executed again. + return ( this.get = hookFn ).apply( this, arguments ); + } + }; + } - // Find delegate handlers - // Black-hole SVG <use> instance trees (#13180) - // Avoid non-left-click bubbling in Firefox (#3861) - if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) { - for ( ; cur !== this; cur = cur.parentNode || this ) { + var cssPrefixes = [ "Webkit", "Moz", "ms" ], + emptyStyle = document.createElement( "div" ).style, + vendorProps = {}; - // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) - if ( cur.disabled !== true || event.type !== "click" ) { - matches = []; - for ( i = 0; i < delegateCount; i++ ) { - handleObj = handlers[ i ]; +// Return a vendor-prefixed property or undefined + function vendorPropName( name ) { - // Don't conflict with Object.prototype properties (#13203) - sel = handleObj.selector + " "; + // Check for vendor prefixed names + var capName = name[ 0 ].toUpperCase() + name.slice( 1 ), + i = cssPrefixes.length; - if ( matches[ sel ] === undefined ) { - matches[ sel ] = handleObj.needsContext ? - jQuery( sel, this ).index( cur ) >= 0 : - jQuery.find( sel, this, null, [ cur ] ).length; - } - if ( matches[ sel ] ) { - matches.push( handleObj ); - } - } - if ( matches.length ) { - handlerQueue.push({ elem: cur, handlers: matches }); - } - } + while ( i-- ) { + name = cssPrefixes[ i ] + capName; + if ( name in emptyStyle ) { + return name; } } + } - // Add the remaining (directly-bound) handlers - if ( delegateCount < handlers.length ) { - handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) }); - } - - return handlerQueue; - }, - - // Includes some event props shared by KeyEvent and MouseEvent - props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "), - - fixHooks: {}, - - keyHooks: { - props: "char charCode key keyCode".split(" "), - filter: function( event, original ) { - - // Add which for key events - if ( event.which == null ) { - event.which = original.charCode != null ? original.charCode : original.keyCode; - } +// Return a potentially-mapped jQuery.cssProps or vendor prefixed property + function finalPropName( name ) { + var final = jQuery.cssProps[ name ] || vendorProps[ name ]; - return event; + if ( final ) { + return final; + } + if ( name in emptyStyle ) { + return name; } - }, + return vendorProps[ name ] = vendorPropName( name ) || name; + } - mouseHooks: { - props: "button buttons clientX clientY offsetX offsetY pageX pageY screenX screenY toElement".split(" "), - filter: function( event, original ) { - var eventDoc, doc, body, - button = original.button; - // Calculate pageX/Y if missing and clientX/Y available - if ( event.pageX == null && original.clientX != null ) { - eventDoc = event.target.ownerDocument || document; - doc = eventDoc.documentElement; - body = eventDoc.body; + var - event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 ); - event.pageY = original.clientY + ( doc && doc.scrollTop || body && body.scrollTop || 0 ) - ( doc && doc.clientTop || body && body.clientTop || 0 ); - } + // Swappable if display is none or starts with table + // except "table", "table-cell", or "table-caption" + // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display + rdisplayswap = /^(none|table(?!-c[ea]).+)/, + rcustomProp = /^--/, + cssShow = { position: "absolute", visibility: "hidden", display: "block" }, + cssNormalTransform = { + letterSpacing: "0", + fontWeight: "400" + }; - // Add which for click: 1 === left; 2 === middle; 3 === right - // Note: button is not normalized, so don't use it - if ( !event.which && button !== undefined ) { - event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) ); - } + function setPositiveNumber( _elem, value, subtract ) { - return event; - } - }, + // Any relative (+/-) values have already been + // normalized at this point + var matches = rcssNum.exec( value ); + return matches ? - fix: function( event ) { - if ( event[ jQuery.expando ] ) { - return event; - } + // Guard against undefined "subtract", e.g., when used as in cssHooks + Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) : + value; + } - // Create a writable copy of the event object and normalize some properties - var i, prop, copy, - type = event.type, - originalEvent = event, - fixHook = this.fixHooks[ type ]; + function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) { + var i = dimension === "width" ? 1 : 0, + extra = 0, + delta = 0; - if ( !fixHook ) { - this.fixHooks[ type ] = fixHook = - rmouseEvent.test( type ) ? this.mouseHooks : - rkeyEvent.test( type ) ? this.keyHooks : - {}; + // Adjustment may not be necessary + if ( box === ( isBorderBox ? "border" : "content" ) ) { + return 0; } - copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props; - event = new jQuery.Event( originalEvent ); + for ( ; i < 4; i += 2 ) { - i = copy.length; - while ( i-- ) { - prop = copy[ i ]; - event[ prop ] = originalEvent[ prop ]; - } + // Both box models exclude margin + if ( box === "margin" ) { + delta += jQuery.css( elem, box + cssExpand[ i ], true, styles ); + } - // Support: Cordova 2.5 (WebKit) (#13255) - // All events should have a target; Cordova deviceready doesn't - if ( !event.target ) { - event.target = document; - } + // If we get here with a content-box, we're seeking "padding" or "border" or "margin" + if ( !isBorderBox ) { - // Support: Safari 6.0+, Chrome<28 - // Target should not be a text node (#504, #13143) - if ( event.target.nodeType === 3 ) { - event.target = event.target.parentNode; - } + // Add padding + delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); - return fixHook.filter ? fixHook.filter( event, originalEvent ) : event; - }, + // For "border" or "margin", add border + if ( box !== "padding" ) { + delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); - special: { - load: { - // Prevent triggered image.load events from bubbling to window.load - noBubble: true - }, - focus: { - // Fire native event if possible so blur/focus sequence is correct - trigger: function() { - if ( this !== safeActiveElement() && this.focus ) { - this.focus(); - return false; - } - }, - delegateType: "focusin" - }, - blur: { - trigger: function() { - if ( this === safeActiveElement() && this.blur ) { - this.blur(); - return false; - } - }, - delegateType: "focusout" - }, - click: { - // For checkbox, fire native event so checked state will be right - trigger: function() { - if ( this.type === "checkbox" && this.click && jQuery.nodeName( this, "input" ) ) { - this.click(); - return false; + // But still keep track of it otherwise + } else { + extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); } - }, - - // For cross-browser consistency, don't fire native .click() on links - _default: function( event ) { - return jQuery.nodeName( event.target, "a" ); - } - }, - beforeunload: { - postDispatch: function( event ) { + // If we get here with a border-box (content + padding + border), we're seeking "content" or + // "padding" or "margin" + } else { - // Support: Firefox 20+ - // Firefox doesn't alert if the returnValue field is not set. - if ( event.result !== undefined && event.originalEvent ) { - event.originalEvent.returnValue = event.result; + // For "content", subtract padding + if ( box === "content" ) { + delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); } - } - } - }, - simulate: function( type, elem, event, bubble ) { - // Piggyback on a donor event to simulate a different one. - // Fake originalEvent to avoid donor's stopPropagation, but if the - // simulated event prevents default then we do the same on the donor. - var e = jQuery.extend( - new jQuery.Event(), - event, - { - type: type, - isSimulated: true, - originalEvent: {} + // For "content" or "padding", subtract border + if ( box !== "margin" ) { + delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); + } } - ); - if ( bubble ) { - jQuery.event.trigger( e, null, elem ); - } else { - jQuery.event.dispatch.call( elem, e ); - } - if ( e.isDefaultPrevented() ) { - event.preventDefault(); } - } -}; - -jQuery.removeEvent = function( elem, type, handle ) { - if ( elem.removeEventListener ) { - elem.removeEventListener( type, handle, false ); - } -}; -jQuery.Event = function( src, props ) { - // Allow instantiation without the 'new' keyword - if ( !(this instanceof jQuery.Event) ) { - return new jQuery.Event( src, props ); - } + // Account for positive content-box scroll gutter when requested by providing computedVal + if ( !isBorderBox && computedVal >= 0 ) { - // Event object - if ( src && src.type ) { - this.originalEvent = src; - this.type = src.type; + // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border + // Assuming integer scroll gutter, subtract the rest and round down + delta += Math.max( 0, Math.ceil( + elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] - + computedVal - + delta - + extra - + 0.5 - // Events bubbling up the document may have been marked as prevented - // by a handler lower down the tree; reflect the correct value. - this.isDefaultPrevented = src.defaultPrevented || - src.defaultPrevented === undefined && - // Support: Android<4.0 - src.returnValue === false ? - returnTrue : - returnFalse; + // If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter + // Use an explicit zero to avoid NaN (gh-3964) + ) ) || 0; + } - // Event type - } else { - this.type = src; + return delta; } - // Put explicitly provided properties onto the event object - if ( props ) { - jQuery.extend( this, props ); - } + function getWidthOrHeight( elem, dimension, extra ) { - // Create a timestamp if incoming event doesn't have one - this.timeStamp = src && src.timeStamp || jQuery.now(); + // Start with computed style + var styles = getStyles( elem ), - // Mark it as fixed - this[ jQuery.expando ] = true; -}; + // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322). + // Fake content-box until we know it's needed to know the true value. + boxSizingNeeded = !support.boxSizingReliable() || extra, + isBorderBox = boxSizingNeeded && + jQuery.css( elem, "boxSizing", false, styles ) === "border-box", + valueIsBorderBox = isBorderBox, -// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding -// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html -jQuery.Event.prototype = { - isDefaultPrevented: returnFalse, - isPropagationStopped: returnFalse, - isImmediatePropagationStopped: returnFalse, + val = curCSS( elem, dimension, styles ), + offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ); - preventDefault: function() { - var e = this.originalEvent; + // Support: Firefox <=54 + // Return a confounding non-pixel value or feign ignorance, as appropriate. + if ( rnumnonpx.test( val ) ) { + if ( !extra ) { + return val; + } + val = "auto"; + } - this.isDefaultPrevented = returnTrue; - if ( e && e.preventDefault ) { - e.preventDefault(); - } - }, - stopPropagation: function() { - var e = this.originalEvent; + // Support: IE 9 - 11 only + // Use offsetWidth/offsetHeight for when box sizing is unreliable. + // In those cases, the computed value can be trusted to be border-box. + if ( ( !support.boxSizingReliable() && isBorderBox || - this.isPropagationStopped = returnTrue; + // Support: IE 10 - 11+, Edge 15 - 18+ + // IE/Edge misreport `getComputedStyle` of table rows with width/height + // set in CSS while `offset*` properties report correct values. + // Interestingly, in some cases IE 9 doesn't suffer from this issue. + !support.reliableTrDimensions() && nodeName( elem, "tr" ) || - if ( e && e.stopPropagation ) { - e.stopPropagation(); - } - }, - stopImmediatePropagation: function() { - var e = this.originalEvent; + // Fall back to offsetWidth/offsetHeight when value is "auto" + // This happens for inline elements with no explicit setting (gh-3571) + val === "auto" || - this.isImmediatePropagationStopped = returnTrue; + // Support: Android <=4.1 - 4.3 only + // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602) + !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) && - if ( e && e.stopImmediatePropagation ) { - e.stopImmediatePropagation(); - } + // Make sure the element is visible & connected + elem.getClientRects().length ) { - this.stopPropagation(); - } -}; + isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box"; -// Create mouseenter/leave events using mouseover/out and event-time checks -// Support: Chrome 15+ -jQuery.each({ - mouseenter: "mouseover", - mouseleave: "mouseout", - pointerenter: "pointerover", - pointerleave: "pointerout" -}, function( orig, fix ) { - jQuery.event.special[ orig ] = { - delegateType: fix, - bindType: fix, - - handle: function( event ) { - var ret, - target = this, - related = event.relatedTarget, - handleObj = event.handleObj; - - // For mousenter/leave call the handler if related is outside the target. - // NB: No relatedTarget if the mouse left/entered the browser window - if ( !related || (related !== target && !jQuery.contains( target, related )) ) { - event.type = handleObj.origType; - ret = handleObj.handler.apply( this, arguments ); - event.type = fix; + // Where available, offsetWidth/offsetHeight approximate border box dimensions. + // Where not available (e.g., SVG), assume unreliable box-sizing and interpret the + // retrieved value as a content box dimension. + valueIsBorderBox = offsetProp in elem; + if ( valueIsBorderBox ) { + val = elem[ offsetProp ]; } - return ret; } - }; -}); - -// Support: Firefox, Chrome, Safari -// Create "bubbling" focus and blur events -if ( !support.focusinBubbles ) { - jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) { - // Attach a single capturing handler on the document while someone wants focusin/focusout - var handler = function( event ) { - jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true ); - }; + // Normalize "" and auto + val = parseFloat( val ) || 0; - jQuery.event.special[ fix ] = { - setup: function() { - var doc = this.ownerDocument || this, - attaches = data_priv.access( doc, fix ); + // Adjust for the element's box model + return ( val + + boxModelAdjustment( + elem, + dimension, + extra || ( isBorderBox ? "border" : "content" ), + valueIsBorderBox, + styles, + + // Provide the current computed size to request scroll gutter calculation (gh-3589) + val + ) + ) + "px"; + } - if ( !attaches ) { - doc.addEventListener( orig, handler, true ); - } - data_priv.access( doc, fix, ( attaches || 0 ) + 1 ); - }, - teardown: function() { - var doc = this.ownerDocument || this, - attaches = data_priv.access( doc, fix ) - 1; + jQuery.extend( { - if ( !attaches ) { - doc.removeEventListener( orig, handler, true ); - data_priv.remove( doc, fix ); + // Add in style property hooks for overriding the default + // behavior of getting and setting a style property + cssHooks: { + opacity: { + get: function( elem, computed ) { + if ( computed ) { - } else { - data_priv.access( doc, fix, attaches ); + // We should always get a number back from opacity + var ret = curCSS( elem, "opacity" ); + return ret === "" ? "1" : ret; + } } } - }; - }); -} + }, -jQuery.fn.extend({ + // Don't automatically add "px" to these possibly-unitless properties + cssNumber: { + "animationIterationCount": true, + "columnCount": true, + "fillOpacity": true, + "flexGrow": true, + "flexShrink": true, + "fontWeight": true, + "gridArea": true, + "gridColumn": true, + "gridColumnEnd": true, + "gridColumnStart": true, + "gridRow": true, + "gridRowEnd": true, + "gridRowStart": true, + "lineHeight": true, + "opacity": true, + "order": true, + "orphans": true, + "widows": true, + "zIndex": true, + "zoom": true + }, - on: function( types, selector, data, fn, /*INTERNAL*/ one ) { - var origFn, type; + // Add in properties whose names you wish to fix before + // setting or getting the value + cssProps: {}, - // Types can be a map of types/handlers - if ( typeof types === "object" ) { - // ( types-Object, selector, data ) - if ( typeof selector !== "string" ) { - // ( types-Object, data ) - data = data || selector; - selector = undefined; - } - for ( type in types ) { - this.on( type, selector, data, types[ type ], one ); - } - return this; - } + // Get and set the style property on a DOM Node + style: function( elem, name, value, extra ) { - if ( data == null && fn == null ) { - // ( types, fn ) - fn = selector; - data = selector = undefined; - } else if ( fn == null ) { - if ( typeof selector === "string" ) { - // ( types, selector, fn ) - fn = data; - data = undefined; - } else { - // ( types, data, fn ) - fn = data; - data = selector; - selector = undefined; + // Don't set styles on text and comment nodes + if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) { + return; } - } - if ( fn === false ) { - fn = returnFalse; - } else if ( !fn ) { - return this; - } - if ( one === 1 ) { - origFn = fn; - fn = function( event ) { - // Can use an empty set, since event contains the info - jQuery().off( event ); - return origFn.apply( this, arguments ); - }; - // Use same guid so caller can remove using origFn - fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ ); - } - return this.each( function() { - jQuery.event.add( this, types, fn, data, selector ); - }); - }, - one: function( types, selector, data, fn ) { - return this.on( types, selector, data, fn, 1 ); - }, - off: function( types, selector, fn ) { - var handleObj, type; - if ( types && types.preventDefault && types.handleObj ) { - // ( event ) dispatched jQuery.Event - handleObj = types.handleObj; - jQuery( types.delegateTarget ).off( - handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType, - handleObj.selector, - handleObj.handler - ); - return this; - } - if ( typeof types === "object" ) { - // ( types-object [, selector] ) - for ( type in types ) { - this.off( type, selector, types[ type ] ); + // Make sure that we're working with the right name + var ret, type, hooks, + origName = camelCase( name ), + isCustomProp = rcustomProp.test( name ), + style = elem.style; + + // Make sure that we're working with the right name. We don't + // want to query the value if it is a CSS custom property + // since they are user-defined. + if ( !isCustomProp ) { + name = finalPropName( origName ); } - return this; - } - if ( selector === false || typeof selector === "function" ) { - // ( types [, fn] ) - fn = selector; - selector = undefined; - } - if ( fn === false ) { - fn = returnFalse; - } - return this.each(function() { - jQuery.event.remove( this, types, fn, selector ); - }); - }, - - trigger: function( type, data ) { - return this.each(function() { - jQuery.event.trigger( type, data, this ); - }); - }, - triggerHandler: function( type, data ) { - var elem = this[0]; - if ( elem ) { - return jQuery.event.trigger( type, data, elem, true ); - } - } -}); + // Gets hook for the prefixed version, then unprefixed version + hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; -var - rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi, - rtagName = /<([\w:]+)/, - rhtml = /<|&#?\w+;/, - rnoInnerhtml = /<(?:script|style|link)/i, - // checked="checked" or checked - rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i, - rscriptType = /^$|\/(?:java|ecma)script/i, - rscriptTypeMasked = /^true\/(.*)/, - rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g, + // Check if we're setting a value + if ( value !== undefined ) { + type = typeof value; - // We have to close these tags to support XHTML (#13200) - wrapMap = { + // Convert "+=" or "-=" to relative numbers (#7345) + if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) { + value = adjustCSS( elem, name, ret ); - // Support: IE9 - option: [ 1, "<select multiple='multiple'>", "</select>" ], + // Fixes bug #9237 + type = "number"; + } - thead: [ 1, "<table>", "</table>" ], - col: [ 2, "<table><colgroup>", "</colgroup></table>" ], - tr: [ 2, "<table><tbody>", "</tbody></table>" ], - td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ], + // Make sure that null and NaN values aren't set (#7116) + if ( value == null || value !== value ) { + return; + } - _default: [ 0, "", "" ] - }; + // If a number was passed in, add the unit (except for certain CSS properties) + // The isCustomProp check can be removed in jQuery 4.0 when we only auto-append + // "px" to a few hardcoded values. + if ( type === "number" && !isCustomProp ) { + value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" ); + } -// Support: IE9 -wrapMap.optgroup = wrapMap.option; + // background-* props affect original clone's values + if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) { + style[ name ] = "inherit"; + } -wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; -wrapMap.th = wrapMap.td; + // If a hook was provided, use that value, otherwise just set the specified value + if ( !hooks || !( "set" in hooks ) || + ( value = hooks.set( elem, value, extra ) ) !== undefined ) { -// Support: 1.x compatibility -// Manipulating tables requires a tbody -function manipulationTarget( elem, content ) { - return jQuery.nodeName( elem, "table" ) && - jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ? + if ( isCustomProp ) { + style.setProperty( name, value ); + } else { + style[ name ] = value; + } + } - elem.getElementsByTagName("tbody")[0] || - elem.appendChild( elem.ownerDocument.createElement("tbody") ) : - elem; -} + } else { -// Replace/restore the type attribute of script elements for safe DOM manipulation -function disableScript( elem ) { - elem.type = (elem.getAttribute("type") !== null) + "/" + elem.type; - return elem; -} -function restoreScript( elem ) { - var match = rscriptTypeMasked.exec( elem.type ); - - if ( match ) { - elem.type = match[ 1 ]; - } else { - elem.removeAttribute("type"); - } + // If a hook was provided get the non-computed value from there + if ( hooks && "get" in hooks && + ( ret = hooks.get( elem, false, extra ) ) !== undefined ) { - return elem; -} + return ret; + } -// Mark scripts as having already been evaluated -function setGlobalEval( elems, refElements ) { - var i = 0, - l = elems.length; + // Otherwise just get the value from the style object + return style[ name ]; + } + }, - for ( ; i < l; i++ ) { - data_priv.set( - elems[ i ], "globalEval", !refElements || data_priv.get( refElements[ i ], "globalEval" ) - ); - } -} + css: function( elem, name, extra, styles ) { + var val, num, hooks, + origName = camelCase( name ), + isCustomProp = rcustomProp.test( name ); -function cloneCopyEvent( src, dest ) { - var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events; + // Make sure that we're working with the right name. We don't + // want to modify the value if it is a CSS custom property + // since they are user-defined. + if ( !isCustomProp ) { + name = finalPropName( origName ); + } - if ( dest.nodeType !== 1 ) { - return; - } + // Try prefixed name followed by the unprefixed name + hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; + + // If a hook was provided get the computed value from there + if ( hooks && "get" in hooks ) { + val = hooks.get( elem, true, extra ); + } - // 1. Copy private data: events, handlers, etc. - if ( data_priv.hasData( src ) ) { - pdataOld = data_priv.access( src ); - pdataCur = data_priv.set( dest, pdataOld ); - events = pdataOld.events; + // Otherwise, if a way to get the computed value exists, use that + if ( val === undefined ) { + val = curCSS( elem, name, styles ); + } - if ( events ) { - delete pdataCur.handle; - pdataCur.events = {}; + // Convert "normal" to computed value + if ( val === "normal" && name in cssNormalTransform ) { + val = cssNormalTransform[ name ]; + } - for ( type in events ) { - for ( i = 0, l = events[ type ].length; i < l; i++ ) { - jQuery.event.add( dest, type, events[ type ][ i ] ); - } + // Make numeric if forced or a qualifier was provided and val looks numeric + if ( extra === "" || extra ) { + num = parseFloat( val ); + return extra === true || isFinite( num ) ? num || 0 : val; } + + return val; } - } + } ); - // 2. Copy user data - if ( data_user.hasData( src ) ) { - udataOld = data_user.access( src ); - udataCur = jQuery.extend( {}, udataOld ); + jQuery.each( [ "height", "width" ], function( _i, dimension ) { + jQuery.cssHooks[ dimension ] = { + get: function( elem, computed, extra ) { + if ( computed ) { - data_user.set( dest, udataCur ); - } -} + // Certain elements can have dimension info if we invisibly show them + // but it must have a current display style that would benefit + return rdisplayswap.test( jQuery.css( elem, "display" ) ) && + + // Support: Safari 8+ + // Table columns in Safari have non-zero offsetWidth & zero + // getBoundingClientRect().width unless display is changed. + // Support: IE <=11 only + // Running getBoundingClientRect on a disconnected node + // in IE throws an error. + ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ? + swap( elem, cssShow, function() { + return getWidthOrHeight( elem, dimension, extra ); + } ) : + getWidthOrHeight( elem, dimension, extra ); + } + }, -function getAll( context, tag ) { - var ret = context.getElementsByTagName ? context.getElementsByTagName( tag || "*" ) : - context.querySelectorAll ? context.querySelectorAll( tag || "*" ) : - []; + set: function( elem, value, extra ) { + var matches, + styles = getStyles( elem ), + + // Only read styles.position if the test has a chance to fail + // to avoid forcing a reflow. + scrollboxSizeBuggy = !support.scrollboxSize() && + styles.position === "absolute", + + // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991) + boxSizingNeeded = scrollboxSizeBuggy || extra, + isBorderBox = boxSizingNeeded && + jQuery.css( elem, "boxSizing", false, styles ) === "border-box", + subtract = extra ? + boxModelAdjustment( + elem, + dimension, + extra, + isBorderBox, + styles + ) : + 0; + + // Account for unreliable border-box dimensions by comparing offset* to computed and + // faking a content-box to get border and padding (gh-3699) + if ( isBorderBox && scrollboxSizeBuggy ) { + subtract -= Math.ceil( + elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] - + parseFloat( styles[ dimension ] ) - + boxModelAdjustment( elem, dimension, "border", false, styles ) - + 0.5 + ); + } - return tag === undefined || tag && jQuery.nodeName( context, tag ) ? - jQuery.merge( [ context ], ret ) : - ret; -} + // Convert to pixels if value adjustment is needed + if ( subtract && ( matches = rcssNum.exec( value ) ) && + ( matches[ 3 ] || "px" ) !== "px" ) { -// Fix IE bugs, see support tests -function fixInput( src, dest ) { - var nodeName = dest.nodeName.toLowerCase(); + elem.style[ dimension ] = value; + value = jQuery.css( elem, dimension ); + } - // Fails to persist the checked state of a cloned checkbox or radio button. - if ( nodeName === "input" && rcheckableType.test( src.type ) ) { - dest.checked = src.checked; + return setPositiveNumber( elem, value, subtract ); + } + }; + } ); - // Fails to return the selected option to the default selected state when cloning options - } else if ( nodeName === "input" || nodeName === "textarea" ) { - dest.defaultValue = src.defaultValue; - } -} + jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft, + function( elem, computed ) { + if ( computed ) { + return ( parseFloat( curCSS( elem, "marginLeft" ) ) || + elem.getBoundingClientRect().left - + swap( elem, { marginLeft: 0 }, function() { + return elem.getBoundingClientRect().left; + } ) + ) + "px"; + } + } + ); -jQuery.extend({ - clone: function( elem, dataAndEvents, deepDataAndEvents ) { - var i, l, srcElements, destElements, - clone = elem.cloneNode( true ), - inPage = jQuery.contains( elem.ownerDocument, elem ); +// These hooks are used by animate to expand properties + jQuery.each( { + margin: "", + padding: "", + border: "Width" + }, function( prefix, suffix ) { + jQuery.cssHooks[ prefix + suffix ] = { + expand: function( value ) { + var i = 0, + expanded = {}, - // Fix IE cloning issues - if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) && - !jQuery.isXMLDoc( elem ) ) { + // Assumes a single number if not a string + parts = typeof value === "string" ? value.split( " " ) : [ value ]; - // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2 - destElements = getAll( clone ); - srcElements = getAll( elem ); + for ( ; i < 4; i++ ) { + expanded[ prefix + cssExpand[ i ] + suffix ] = + parts[ i ] || parts[ i - 2 ] || parts[ 0 ]; + } - for ( i = 0, l = srcElements.length; i < l; i++ ) { - fixInput( srcElements[ i ], destElements[ i ] ); + return expanded; } + }; + + if ( prefix !== "margin" ) { + jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber; } + } ); - // Copy the events from the original to the clone - if ( dataAndEvents ) { - if ( deepDataAndEvents ) { - srcElements = srcElements || getAll( elem ); - destElements = destElements || getAll( clone ); + jQuery.fn.extend( { + css: function( name, value ) { + return access( this, function( elem, name, value ) { + var styles, len, + map = {}, + i = 0; - for ( i = 0, l = srcElements.length; i < l; i++ ) { - cloneCopyEvent( srcElements[ i ], destElements[ i ] ); + if ( Array.isArray( name ) ) { + styles = getStyles( elem ); + len = name.length; + + for ( ; i < len; i++ ) { + map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles ); + } + + return map; } - } else { - cloneCopyEvent( elem, clone ); - } - } - // Preserve script evaluation history - destElements = getAll( clone, "script" ); - if ( destElements.length > 0 ) { - setGlobalEval( destElements, !inPage && getAll( elem, "script" ) ); + return value !== undefined ? + jQuery.style( elem, name, value ) : + jQuery.css( elem, name ); + }, name, value, arguments.length > 1 ); } + } ); - // Return the cloned set - return clone; - }, - buildFragment: function( elems, context, scripts, selection ) { - var elem, tmp, tag, wrap, contains, j, - fragment = context.createDocumentFragment(), - nodes = [], - i = 0, - l = elems.length; + function Tween( elem, options, prop, end, easing ) { + return new Tween.prototype.init( elem, options, prop, end, easing ); + } + jQuery.Tween = Tween; - for ( ; i < l; i++ ) { - elem = elems[ i ]; + Tween.prototype = { + constructor: Tween, + init: function( elem, options, prop, end, easing, unit ) { + this.elem = elem; + this.prop = prop; + this.easing = easing || jQuery.easing._default; + this.options = options; + this.start = this.now = this.cur(); + this.end = end; + this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" ); + }, + cur: function() { + var hooks = Tween.propHooks[ this.prop ]; - if ( elem || elem === 0 ) { + return hooks && hooks.get ? + hooks.get( this ) : + Tween.propHooks._default.get( this ); + }, + run: function( percent ) { + var eased, + hooks = Tween.propHooks[ this.prop ]; - // Add nodes directly - if ( jQuery.type( elem ) === "object" ) { - // Support: QtWebKit, PhantomJS - // push.apply(_, arraylike) throws on ancient WebKit - jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem ); + if ( this.options.duration ) { + this.pos = eased = jQuery.easing[ this.easing ]( + percent, this.options.duration * percent, 0, 1, this.options.duration + ); + } else { + this.pos = eased = percent; + } + this.now = ( this.end - this.start ) * eased + this.start; - // Convert non-html into a text node - } else if ( !rhtml.test( elem ) ) { - nodes.push( context.createTextNode( elem ) ); + if ( this.options.step ) { + this.options.step.call( this.elem, this.now, this ); + } - // Convert html into DOM nodes - } else { - tmp = tmp || fragment.appendChild( context.createElement("div") ); + if ( hooks && hooks.set ) { + hooks.set( this ); + } else { + Tween.propHooks._default.set( this ); + } + return this; + } + }; - // Deserialize a standard representation - tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase(); - wrap = wrapMap[ tag ] || wrapMap._default; - tmp.innerHTML = wrap[ 1 ] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[ 2 ]; + Tween.prototype.init.prototype = Tween.prototype; - // Descend through wrappers to the right content - j = wrap[ 0 ]; - while ( j-- ) { - tmp = tmp.lastChild; - } + Tween.propHooks = { + _default: { + get: function( tween ) { + var result; - // Support: QtWebKit, PhantomJS - // push.apply(_, arraylike) throws on ancient WebKit - jQuery.merge( nodes, tmp.childNodes ); + // Use a property on the element directly when it is not a DOM element, + // or when there is no matching style property that exists. + if ( tween.elem.nodeType !== 1 || + tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) { + return tween.elem[ tween.prop ]; + } - // Remember the top-level container - tmp = fragment.firstChild; + // Passing an empty string as a 3rd parameter to .css will automatically + // attempt a parseFloat and fallback to a string if the parse fails. + // Simple values such as "10px" are parsed to Float; + // complex values such as "rotate(1rad)" are returned as-is. + result = jQuery.css( tween.elem, tween.prop, "" ); - // Ensure the created nodes are orphaned (#12392) - tmp.textContent = ""; + // Empty strings, null, undefined and "auto" are converted to 0. + return !result || result === "auto" ? 0 : result; + }, + set: function( tween ) { + + // Use step hook for back compat. + // Use cssHook if its there. + // Use .style if available and use plain properties where available. + if ( jQuery.fx.step[ tween.prop ] ) { + jQuery.fx.step[ tween.prop ]( tween ); + } else if ( tween.elem.nodeType === 1 && ( + jQuery.cssHooks[ tween.prop ] || + tween.elem.style[ finalPropName( tween.prop ) ] != null ) ) { + jQuery.style( tween.elem, tween.prop, tween.now + tween.unit ); + } else { + tween.elem[ tween.prop ] = tween.now; } } } + }; - // Remove wrapper from fragment - fragment.textContent = ""; +// Support: IE <=9 only +// Panic based approach to setting things on disconnected nodes + Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = { + set: function( tween ) { + if ( tween.elem.nodeType && tween.elem.parentNode ) { + tween.elem[ tween.prop ] = tween.now; + } + } + }; - i = 0; - while ( (elem = nodes[ i++ ]) ) { + jQuery.easing = { + linear: function( p ) { + return p; + }, + swing: function( p ) { + return 0.5 - Math.cos( p * Math.PI ) / 2; + }, + _default: "swing" + }; - // #4087 - If origin and destination elements are the same, and this is - // that element, do not do anything - if ( selection && jQuery.inArray( elem, selection ) !== -1 ) { - continue; - } + jQuery.fx = Tween.prototype.init; - contains = jQuery.contains( elem.ownerDocument, elem ); +// Back compat <1.8 extension point + jQuery.fx.step = {}; - // Append to fragment - tmp = getAll( fragment.appendChild( elem ), "script" ); - // Preserve script evaluation history - if ( contains ) { - setGlobalEval( tmp ); - } - // Capture executables - if ( scripts ) { - j = 0; - while ( (elem = tmp[ j++ ]) ) { - if ( rscriptType.test( elem.type || "" ) ) { - scripts.push( elem ); - } - } + + var + fxNow, inProgress, + rfxtypes = /^(?:toggle|show|hide)$/, + rrun = /queueHooks$/; + + function schedule() { + if ( inProgress ) { + if ( document.hidden === false && window.requestAnimationFrame ) { + window.requestAnimationFrame( schedule ); + } else { + window.setTimeout( schedule, jQuery.fx.interval ); } + + jQuery.fx.tick(); } + } - return fragment; - }, +// Animations created synchronously will run synchronously + function createFxNow() { + window.setTimeout( function() { + fxNow = undefined; + } ); + return ( fxNow = Date.now() ); + } - cleanData: function( elems ) { - var data, elem, type, key, - special = jQuery.event.special, - i = 0; +// Generate parameters to create a standard animation + function genFx( type, includeWidth ) { + var which, + i = 0, + attrs = { height: type }; - for ( ; (elem = elems[ i ]) !== undefined; i++ ) { - if ( jQuery.acceptData( elem ) ) { - key = elem[ data_priv.expando ]; + // If we include width, step value is 1 to do all cssExpand values, + // otherwise step value is 2 to skip over Left and Right + includeWidth = includeWidth ? 1 : 0; + for ( ; i < 4; i += 2 - includeWidth ) { + which = cssExpand[ i ]; + attrs[ "margin" + which ] = attrs[ "padding" + which ] = type; + } - if ( key && (data = data_priv.cache[ key ]) ) { - if ( data.events ) { - for ( type in data.events ) { - if ( special[ type ] ) { - jQuery.event.remove( elem, type ); + if ( includeWidth ) { + attrs.opacity = attrs.width = type; + } - // This is a shortcut to avoid jQuery.event.remove's overhead - } else { - jQuery.removeEvent( elem, type, data.handle ); - } - } - } - if ( data_priv.cache[ key ] ) { - // Discard any remaining `private` data - delete data_priv.cache[ key ]; - } - } + return attrs; + } + + function createTween( value, prop, animation ) { + var tween, + collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ), + index = 0, + length = collection.length; + for ( ; index < length; index++ ) { + if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) { + + // We're done with this property + return tween; } - // Discard any remaining `user` data - delete data_user.cache[ elem[ data_user.expando ] ]; } } -}); - -jQuery.fn.extend({ - text: function( value ) { - return access( this, function( value ) { - return value === undefined ? - jQuery.text( this ) : - this.empty().each(function() { - if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { - this.textContent = value; - } - }); - }, null, value, arguments.length ); - }, - - append: function() { - return this.domManip( arguments, function( elem ) { - if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { - var target = manipulationTarget( this, elem ); - target.appendChild( elem ); - } - }); - }, - - prepend: function() { - return this.domManip( arguments, function( elem ) { - if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { - var target = manipulationTarget( this, elem ); - target.insertBefore( elem, target.firstChild ); - } - }); - }, - - before: function() { - return this.domManip( arguments, function( elem ) { - if ( this.parentNode ) { - this.parentNode.insertBefore( elem, this ); - } - }); - }, - - after: function() { - return this.domManip( arguments, function( elem ) { - if ( this.parentNode ) { - this.parentNode.insertBefore( elem, this.nextSibling ); - } - }); - }, - - remove: function( selector, keepData /* Internal Use Only */ ) { - var elem, - elems = selector ? jQuery.filter( selector, this ) : this, - i = 0; - for ( ; (elem = elems[i]) != null; i++ ) { - if ( !keepData && elem.nodeType === 1 ) { - jQuery.cleanData( getAll( elem ) ); - } + function defaultPrefilter( elem, props, opts ) { + var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display, + isBox = "width" in props || "height" in props, + anim = this, + orig = {}, + style = elem.style, + hidden = elem.nodeType && isHiddenWithinTree( elem ), + dataShow = dataPriv.get( elem, "fxshow" ); - if ( elem.parentNode ) { - if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) { - setGlobalEval( getAll( elem, "script" ) ); - } - elem.parentNode.removeChild( elem ); + // Queue-skipping animations hijack the fx hooks + if ( !opts.queue ) { + hooks = jQuery._queueHooks( elem, "fx" ); + if ( hooks.unqueued == null ) { + hooks.unqueued = 0; + oldfire = hooks.empty.fire; + hooks.empty.fire = function() { + if ( !hooks.unqueued ) { + oldfire(); + } + }; } - } + hooks.unqueued++; - return this; - }, + anim.always( function() { - empty: function() { - var elem, - i = 0; + // Ensure the complete handler is called before this completes + anim.always( function() { + hooks.unqueued--; + if ( !jQuery.queue( elem, "fx" ).length ) { + hooks.empty.fire(); + } + } ); + } ); + } - for ( ; (elem = this[i]) != null; i++ ) { - if ( elem.nodeType === 1 ) { + // Detect show/hide animations + for ( prop in props ) { + value = props[ prop ]; + if ( rfxtypes.test( value ) ) { + delete props[ prop ]; + toggle = toggle || value === "toggle"; + if ( value === ( hidden ? "hide" : "show" ) ) { - // Prevent memory leaks - jQuery.cleanData( getAll( elem, false ) ); + // Pretend to be hidden if this is a "show" and + // there is still data from a stopped show/hide + if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) { + hidden = true; - // Remove any remaining nodes - elem.textContent = ""; + // Ignore all other no-op show/hide data + } else { + continue; + } + } + orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop ); } } - return this; - }, - - clone: function( dataAndEvents, deepDataAndEvents ) { - dataAndEvents = dataAndEvents == null ? false : dataAndEvents; - deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents; + // Bail out if this is a no-op like .hide().hide() + propTween = !jQuery.isEmptyObject( props ); + if ( !propTween && jQuery.isEmptyObject( orig ) ) { + return; + } - return this.map(function() { - return jQuery.clone( this, dataAndEvents, deepDataAndEvents ); - }); - }, + // Restrict "overflow" and "display" styles during box animations + if ( isBox && elem.nodeType === 1 ) { - html: function( value ) { - return access( this, function( value ) { - var elem = this[ 0 ] || {}, - i = 0, - l = this.length; + // Support: IE <=9 - 11, Edge 12 - 15 + // Record all 3 overflow attributes because IE does not infer the shorthand + // from identically-valued overflowX and overflowY and Edge just mirrors + // the overflowX value there. + opts.overflow = [ style.overflow, style.overflowX, style.overflowY ]; - if ( value === undefined && elem.nodeType === 1 ) { - return elem.innerHTML; + // Identify a display type, preferring old show/hide data over the CSS cascade + restoreDisplay = dataShow && dataShow.display; + if ( restoreDisplay == null ) { + restoreDisplay = dataPriv.get( elem, "display" ); } + display = jQuery.css( elem, "display" ); + if ( display === "none" ) { + if ( restoreDisplay ) { + display = restoreDisplay; + } else { - // See if we can take a shortcut and just use innerHTML - if ( typeof value === "string" && !rnoInnerhtml.test( value ) && - !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) { - - value = value.replace( rxhtmlTag, "<$1></$2>" ); + // Get nonempty value(s) by temporarily forcing visibility + showHide( [ elem ], true ); + restoreDisplay = elem.style.display || restoreDisplay; + display = jQuery.css( elem, "display" ); + showHide( [ elem ] ); + } + } - try { - for ( ; i < l; i++ ) { - elem = this[ i ] || {}; + // Animate inline elements as inline-block + if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) { + if ( jQuery.css( elem, "float" ) === "none" ) { - // Remove element nodes and prevent memory leaks - if ( elem.nodeType === 1 ) { - jQuery.cleanData( getAll( elem, false ) ); - elem.innerHTML = value; + // Restore the original display value at the end of pure show/hide animations + if ( !propTween ) { + anim.done( function() { + style.display = restoreDisplay; + } ); + if ( restoreDisplay == null ) { + display = style.display; + restoreDisplay = display === "none" ? "" : display; } } + style.display = "inline-block"; + } + } + } + + if ( opts.overflow ) { + style.overflow = "hidden"; + anim.always( function() { + style.overflow = opts.overflow[ 0 ]; + style.overflowX = opts.overflow[ 1 ]; + style.overflowY = opts.overflow[ 2 ]; + } ); + } - elem = 0; + // Implement show/hide animations + propTween = false; + for ( prop in orig ) { - // If using innerHTML throws an exception, use the fallback method - } catch( e ) {} - } + // General show/hide setup for this element animation + if ( !propTween ) { + if ( dataShow ) { + if ( "hidden" in dataShow ) { + hidden = dataShow.hidden; + } + } else { + dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } ); + } - if ( elem ) { - this.empty().append( value ); - } - }, null, value, arguments.length ); - }, + // Store hidden/visible for toggle so `.stop().toggle()` "reverses" + if ( toggle ) { + dataShow.hidden = !hidden; + } + + // Show elements before animating them + if ( hidden ) { + showHide( [ elem ], true ); + } - replaceWith: function() { - var arg = arguments[ 0 ]; + /* eslint-disable no-loop-func */ - // Make the changes, replacing each context element with the new content - this.domManip( arguments, function( elem ) { - arg = this.parentNode; + anim.done( function() { - jQuery.cleanData( getAll( this ) ); + /* eslint-enable no-loop-func */ - if ( arg ) { - arg.replaceChild( elem, this ); + // The final step of a "hide" animation is actually hiding the element + if ( !hidden ) { + showHide( [ elem ] ); + } + dataPriv.remove( elem, "fxshow" ); + for ( prop in orig ) { + jQuery.style( elem, prop, orig[ prop ] ); + } + } ); } - }); - // Force removal if there was no new content (e.g., from empty arguments) - return arg && (arg.length || arg.nodeType) ? this : this.remove(); - }, + // Per-property setup + propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim ); + if ( !( prop in dataShow ) ) { + dataShow[ prop ] = propTween.start; + if ( hidden ) { + propTween.end = propTween.start; + propTween.start = 0; + } + } + } + } - detach: function( selector ) { - return this.remove( selector, true ); - }, + function propFilter( props, specialEasing ) { + var index, name, easing, value, hooks; - domManip: function( args, callback ) { + // camelCase, specialEasing and expand cssHook pass + for ( index in props ) { + name = camelCase( index ); + easing = specialEasing[ name ]; + value = props[ index ]; + if ( Array.isArray( value ) ) { + easing = value[ 1 ]; + value = props[ index ] = value[ 0 ]; + } - // Flatten any nested arrays - args = concat.apply( [], args ); + if ( index !== name ) { + props[ name ] = value; + delete props[ index ]; + } - var fragment, first, scripts, hasScripts, node, doc, - i = 0, - l = this.length, - set = this, - iNoClone = l - 1, - value = args[ 0 ], - isFunction = jQuery.isFunction( value ); + hooks = jQuery.cssHooks[ name ]; + if ( hooks && "expand" in hooks ) { + value = hooks.expand( value ); + delete props[ name ]; - // We can't cloneNode fragments that contain checked, in WebKit - if ( isFunction || - ( l > 1 && typeof value === "string" && - !support.checkClone && rchecked.test( value ) ) ) { - return this.each(function( index ) { - var self = set.eq( index ); - if ( isFunction ) { - args[ 0 ] = value.call( this, index, self.html() ); + // Not quite $.extend, this won't overwrite existing keys. + // Reusing 'index' because we have the correct "name" + for ( index in value ) { + if ( !( index in props ) ) { + props[ index ] = value[ index ]; + specialEasing[ index ] = easing; + } } - self.domManip( args, callback ); - }); + } else { + specialEasing[ name ] = easing; + } } + } - if ( l ) { - fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, this ); - first = fragment.firstChild; + function Animation( elem, properties, options ) { + var result, + stopped, + index = 0, + length = Animation.prefilters.length, + deferred = jQuery.Deferred().always( function() { - if ( fragment.childNodes.length === 1 ) { - fragment = first; - } + // Don't match elem in the :animated selector + delete tick.elem; + } ), + tick = function() { + if ( stopped ) { + return false; + } + var currentTime = fxNow || createFxNow(), + remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ), - if ( first ) { - scripts = jQuery.map( getAll( fragment, "script" ), disableScript ); - hasScripts = scripts.length; + // Support: Android 2.3 only + // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497) + temp = remaining / animation.duration || 0, + percent = 1 - temp, + index = 0, + length = animation.tweens.length; - // Use the original fragment for the last item instead of the first because it can end up - // being emptied incorrectly in certain situations (#8070). - for ( ; i < l; i++ ) { - node = fragment; + for ( ; index < length; index++ ) { + animation.tweens[ index ].run( percent ); + } - if ( i !== iNoClone ) { - node = jQuery.clone( node, true, true ); + deferred.notifyWith( elem, [ animation, percent, remaining ] ); - // Keep references to cloned scripts for later restoration - if ( hasScripts ) { - // Support: QtWebKit - // jQuery.merge because push.apply(_, arraylike) throws - jQuery.merge( scripts, getAll( node, "script" ) ); - } - } + // If there's more to do, yield + if ( percent < 1 && length ) { + return remaining; + } - callback.call( this[ i ], node, i ); + // If this was an empty animation, synthesize a final progress notification + if ( !length ) { + deferred.notifyWith( elem, [ animation, 1, 0 ] ); } - if ( hasScripts ) { - doc = scripts[ scripts.length - 1 ].ownerDocument; + // Resolve the animation and report its conclusion + deferred.resolveWith( elem, [ animation ] ); + return false; + }, + animation = deferred.promise( { + elem: elem, + props: jQuery.extend( {}, properties ), + opts: jQuery.extend( true, { + specialEasing: {}, + easing: jQuery.easing._default + }, options ), + originalProperties: properties, + originalOptions: options, + startTime: fxNow || createFxNow(), + duration: options.duration, + tweens: [], + createTween: function( prop, end ) { + var tween = jQuery.Tween( elem, animation.opts, prop, end, + animation.opts.specialEasing[ prop ] || animation.opts.easing ); + animation.tweens.push( tween ); + return tween; + }, + stop: function( gotoEnd ) { + var index = 0, + + // If we are going to the end, we want to run all the tweens + // otherwise we skip this part + length = gotoEnd ? animation.tweens.length : 0; + if ( stopped ) { + return this; + } + stopped = true; + for ( ; index < length; index++ ) { + animation.tweens[ index ].run( 1 ); + } - // Reenable scripts - jQuery.map( scripts, restoreScript ); + // Resolve when we played the last frame; otherwise, reject + if ( gotoEnd ) { + deferred.notifyWith( elem, [ animation, 1, 0 ] ); + deferred.resolveWith( elem, [ animation, gotoEnd ] ); + } else { + deferred.rejectWith( elem, [ animation, gotoEnd ] ); + } + return this; + } + } ), + props = animation.props; - // Evaluate executable scripts on first document insertion - for ( i = 0; i < hasScripts; i++ ) { - node = scripts[ i ]; - if ( rscriptType.test( node.type || "" ) && - !data_priv.access( node, "globalEval" ) && jQuery.contains( doc, node ) ) { + propFilter( props, animation.opts.specialEasing ); - if ( node.src ) { - // Optional AJAX dependency, but won't run scripts if not present - if ( jQuery._evalUrl ) { - jQuery._evalUrl( node.src ); - } - } else { - jQuery.globalEval( node.textContent.replace( rcleanScript, "" ) ); - } - } - } + for ( ; index < length; index++ ) { + result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts ); + if ( result ) { + if ( isFunction( result.stop ) ) { + jQuery._queueHooks( animation.elem, animation.opts.queue ).stop = + result.stop.bind( result ); } + return result; } } - return this; - } -}); - -jQuery.each({ - appendTo: "append", - prependTo: "prepend", - insertBefore: "before", - insertAfter: "after", - replaceAll: "replaceWith" -}, function( name, original ) { - jQuery.fn[ name ] = function( selector ) { - var elems, - ret = [], - insert = jQuery( selector ), - last = insert.length - 1, - i = 0; - - for ( ; i <= last; i++ ) { - elems = i === last ? this : this.clone( true ); - jQuery( insert[ i ] )[ original ]( elems ); + jQuery.map( props, createTween, animation ); - // Support: QtWebKit - // .get() because push.apply(_, arraylike) throws - push.apply( ret, elems.get() ); + if ( isFunction( animation.opts.start ) ) { + animation.opts.start.call( elem, animation ); } - return this.pushStack( ret ); - }; -}); - + // Attach callbacks from options + animation + .progress( animation.opts.progress ) + .done( animation.opts.done, animation.opts.complete ) + .fail( animation.opts.fail ) + .always( animation.opts.always ); -var iframe, - elemdisplay = {}; + jQuery.fx.timer( + jQuery.extend( tick, { + elem: elem, + anim: animation, + queue: animation.opts.queue + } ) + ); -/** - * Retrieve the actual display of a element - * @param {String} name nodeName of the element - * @param {Object} doc Document object - */ -// Called only from within defaultDisplay -function actualDisplay( name, doc ) { - var style, - elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ), + return animation; + } - // getDefaultComputedStyle might be reliably used only on attached element - display = window.getDefaultComputedStyle && ( style = window.getDefaultComputedStyle( elem[ 0 ] ) ) ? + jQuery.Animation = jQuery.extend( Animation, { - // Use of this method is a temporary fix (more like optimization) until something better comes along, - // since it was removed from specification and supported only in FF - style.display : jQuery.css( elem[ 0 ], "display" ); + tweeners: { + "*": [ function( prop, value ) { + var tween = this.createTween( prop, value ); + adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween ); + return tween; + } ] + }, - // We don't have any data stored on the element, - // so use "detach" method as fast way to get rid of the element - elem.detach(); + tweener: function( props, callback ) { + if ( isFunction( props ) ) { + callback = props; + props = [ "*" ]; + } else { + props = props.match( rnothtmlwhite ); + } - return display; -} + var prop, + index = 0, + length = props.length; -/** - * Try to determine the default display value of an element - * @param {String} nodeName - */ -function defaultDisplay( nodeName ) { - var doc = document, - display = elemdisplay[ nodeName ]; + for ( ; index < length; index++ ) { + prop = props[ index ]; + Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || []; + Animation.tweeners[ prop ].unshift( callback ); + } + }, - if ( !display ) { - display = actualDisplay( nodeName, doc ); + prefilters: [ defaultPrefilter ], - // If the simple way fails, read from inside an iframe - if ( display === "none" || !display ) { + prefilter: function( callback, prepend ) { + if ( prepend ) { + Animation.prefilters.unshift( callback ); + } else { + Animation.prefilters.push( callback ); + } + } + } ); - // Use the already-created iframe if possible - iframe = (iframe || jQuery( "<iframe frameborder='0' width='0' height='0'/>" )).appendTo( doc.documentElement ); + jQuery.speed = function( speed, easing, fn ) { + var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : { + complete: fn || !fn && easing || + isFunction( speed ) && speed, + duration: speed, + easing: fn && easing || easing && !isFunction( easing ) && easing + }; - // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse - doc = iframe[ 0 ].contentDocument; + // Go to the end state if fx are off + if ( jQuery.fx.off ) { + opt.duration = 0; - // Support: IE - doc.write(); - doc.close(); + } else { + if ( typeof opt.duration !== "number" ) { + if ( opt.duration in jQuery.fx.speeds ) { + opt.duration = jQuery.fx.speeds[ opt.duration ]; - display = actualDisplay( nodeName, doc ); - iframe.detach(); + } else { + opt.duration = jQuery.fx.speeds._default; + } + } } - // Store the correct default display - elemdisplay[ nodeName ] = display; - } + // Normalize opt.queue - true/undefined/null -> "fx" + if ( opt.queue == null || opt.queue === true ) { + opt.queue = "fx"; + } - return display; -} -var rmargin = (/^margin/); + // Queueing + opt.old = opt.complete; -var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" ); + opt.complete = function() { + if ( isFunction( opt.old ) ) { + opt.old.call( this ); + } -var getStyles = function( elem ) { - // Support: IE<=11+, Firefox<=30+ (#15098, #14150) - // IE throws on elements created in popups - // FF meanwhile throws on frame elements through "defaultView.getComputedStyle" - if ( elem.ownerDocument.defaultView.opener ) { - return elem.ownerDocument.defaultView.getComputedStyle( elem, null ); - } + if ( opt.queue ) { + jQuery.dequeue( this, opt.queue ); + } + }; - return window.getComputedStyle( elem, null ); + return opt; }; + jQuery.fn.extend( { + fadeTo: function( speed, to, easing, callback ) { + // Show any hidden elements after setting opacity to 0 + return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show() -function curCSS( elem, name, computed ) { - var width, minWidth, maxWidth, ret, - style = elem.style; + // Animate to the value specified + .end().animate( { opacity: to }, speed, easing, callback ); + }, + animate: function( prop, speed, easing, callback ) { + var empty = jQuery.isEmptyObject( prop ), + optall = jQuery.speed( speed, easing, callback ), + doAnimation = function() { - computed = computed || getStyles( elem ); + // Operate on a copy of prop so per-property easing won't be lost + var anim = Animation( this, jQuery.extend( {}, prop ), optall ); - // Support: IE9 - // getPropertyValue is only needed for .css('filter') (#12537) - if ( computed ) { - ret = computed.getPropertyValue( name ) || computed[ name ]; - } + // Empty animations, or finishing resolves immediately + if ( empty || dataPriv.get( this, "finish" ) ) { + anim.stop( true ); + } + }; + doAnimation.finish = doAnimation; - if ( computed ) { + return empty || optall.queue === false ? + this.each( doAnimation ) : + this.queue( optall.queue, doAnimation ); + }, + stop: function( type, clearQueue, gotoEnd ) { + var stopQueue = function( hooks ) { + var stop = hooks.stop; + delete hooks.stop; + stop( gotoEnd ); + }; - if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) { - ret = jQuery.style( elem, name ); - } + if ( typeof type !== "string" ) { + gotoEnd = clearQueue; + clearQueue = type; + type = undefined; + } + if ( clearQueue ) { + this.queue( type || "fx", [] ); + } - // Support: iOS < 6 - // A tribute to the "awesome hack by Dean Edwards" - // iOS < 6 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels - // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values - if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) { + return this.each( function() { + var dequeue = true, + index = type != null && type + "queueHooks", + timers = jQuery.timers, + data = dataPriv.get( this ); - // Remember the original values - width = style.width; - minWidth = style.minWidth; - maxWidth = style.maxWidth; + if ( index ) { + if ( data[ index ] && data[ index ].stop ) { + stopQueue( data[ index ] ); + } + } else { + for ( index in data ) { + if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) { + stopQueue( data[ index ] ); + } + } + } - // Put in the new values to get a computed value out - style.minWidth = style.maxWidth = style.width = ret; - ret = computed.width; + for ( index = timers.length; index--; ) { + if ( timers[ index ].elem === this && + ( type == null || timers[ index ].queue === type ) ) { - // Revert the changed values - style.width = width; - style.minWidth = minWidth; - style.maxWidth = maxWidth; - } - } + timers[ index ].anim.stop( gotoEnd ); + dequeue = false; + timers.splice( index, 1 ); + } + } - return ret !== undefined ? - // Support: IE - // IE returns zIndex value as an integer. - ret + "" : - ret; -} - - -function addGetHookIf( conditionFn, hookFn ) { - // Define the hook, we'll check on the first run if it's really needed. - return { - get: function() { - if ( conditionFn() ) { - // Hook not needed (or it's not possible to use it due - // to missing dependency), remove it. - delete this.get; - return; + // Start the next in the queue if the last step wasn't forced. + // Timers currently will call their complete callbacks, which + // will dequeue but only if they were gotoEnd. + if ( dequeue || !gotoEnd ) { + jQuery.dequeue( this, type ); + } + } ); + }, + finish: function( type ) { + if ( type !== false ) { + type = type || "fx"; } + return this.each( function() { + var index, + data = dataPriv.get( this ), + queue = data[ type + "queue" ], + hooks = data[ type + "queueHooks" ], + timers = jQuery.timers, + length = queue ? queue.length : 0; - // Hook needed; redefine it so that the support test is not executed again. - return (this.get = hookFn).apply( this, arguments ); - } - }; -} + // Enable finishing flag on private data + data.finish = true; + // Empty the queue first + jQuery.queue( this, type, [] ); -(function() { - var pixelPositionVal, boxSizingReliableVal, - docElem = document.documentElement, - container = document.createElement( "div" ), - div = document.createElement( "div" ); + if ( hooks && hooks.stop ) { + hooks.stop.call( this, true ); + } - if ( !div.style ) { - return; - } + // Look for any active animations, and finish them + for ( index = timers.length; index--; ) { + if ( timers[ index ].elem === this && timers[ index ].queue === type ) { + timers[ index ].anim.stop( true ); + timers.splice( index, 1 ); + } + } - // Support: IE9-11+ - // Style of cloned element affects source element cloned (#8908) - div.style.backgroundClip = "content-box"; - div.cloneNode( true ).style.backgroundClip = ""; - support.clearCloneStyle = div.style.backgroundClip === "content-box"; - - container.style.cssText = "border:0;width:0;height:0;top:0;left:-9999px;margin-top:1px;" + - "position:absolute"; - container.appendChild( div ); - - // Executing both pixelPosition & boxSizingReliable tests require only one layout - // so they're executed at the same time to save the second computation. - function computePixelPositionAndBoxSizingReliable() { - div.style.cssText = - // Support: Firefox<29, Android 2.3 - // Vendor-prefix box-sizing - "-webkit-box-sizing:border-box;-moz-box-sizing:border-box;" + - "box-sizing:border-box;display:block;margin-top:1%;top:1%;" + - "border:1px;padding:1px;width:4px;position:absolute"; - div.innerHTML = ""; - docElem.appendChild( container ); - - var divStyle = window.getComputedStyle( div, null ); - pixelPositionVal = divStyle.top !== "1%"; - boxSizingReliableVal = divStyle.width === "4px"; - - docElem.removeChild( container ); - } + // Look for any animations in the old queue and finish them + for ( index = 0; index < length; index++ ) { + if ( queue[ index ] && queue[ index ].finish ) { + queue[ index ].finish.call( this ); + } + } - // Support: node.js jsdom - // Don't assume that getComputedStyle is a property of the global object - if ( window.getComputedStyle ) { - jQuery.extend( support, { - pixelPosition: function() { + // Turn off finishing flag + delete data.finish; + } ); + } + } ); - // This test is executed only once but we still do memoizing - // since we can use the boxSizingReliable pre-computing. - // No need to check if the test was already performed, though. - computePixelPositionAndBoxSizingReliable(); - return pixelPositionVal; - }, - boxSizingReliable: function() { - if ( boxSizingReliableVal == null ) { - computePixelPositionAndBoxSizingReliable(); - } - return boxSizingReliableVal; - }, - reliableMarginRight: function() { + jQuery.each( [ "toggle", "show", "hide" ], function( _i, name ) { + var cssFn = jQuery.fn[ name ]; + jQuery.fn[ name ] = function( speed, easing, callback ) { + return speed == null || typeof speed === "boolean" ? + cssFn.apply( this, arguments ) : + this.animate( genFx( name, true ), speed, easing, callback ); + }; + } ); - // Support: Android 2.3 - // Check if div with explicit width and no margin-right incorrectly - // gets computed margin-right based on width of container. (#3333) - // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right - // This support function is only executed once so no memoizing is needed. - var ret, - marginDiv = div.appendChild( document.createElement( "div" ) ); +// Generate shortcuts for custom animations + jQuery.each( { + slideDown: genFx( "show" ), + slideUp: genFx( "hide" ), + slideToggle: genFx( "toggle" ), + fadeIn: { opacity: "show" }, + fadeOut: { opacity: "hide" }, + fadeToggle: { opacity: "toggle" } + }, function( name, props ) { + jQuery.fn[ name ] = function( speed, easing, callback ) { + return this.animate( props, speed, easing, callback ); + }; + } ); - // Reset CSS: box-sizing; display; margin; border; padding - marginDiv.style.cssText = div.style.cssText = - // Support: Firefox<29, Android 2.3 - // Vendor-prefix box-sizing - "-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" + - "box-sizing:content-box;display:block;margin:0;border:0;padding:0"; - marginDiv.style.marginRight = marginDiv.style.width = "0"; - div.style.width = "1px"; - docElem.appendChild( container ); + jQuery.timers = []; + jQuery.fx.tick = function() { + var timer, + i = 0, + timers = jQuery.timers; - ret = !parseFloat( window.getComputedStyle( marginDiv, null ).marginRight ); + fxNow = Date.now(); - docElem.removeChild( container ); - div.removeChild( marginDiv ); + for ( ; i < timers.length; i++ ) { + timer = timers[ i ]; - return ret; + // Run the timer and safely remove it when done (allowing for external removal) + if ( !timer() && timers[ i ] === timer ) { + timers.splice( i--, 1 ); } - }); - } -})(); + } + + if ( !timers.length ) { + jQuery.fx.stop(); + } + fxNow = undefined; + }; + jQuery.fx.timer = function( timer ) { + jQuery.timers.push( timer ); + jQuery.fx.start(); + }; -// A method for quickly swapping in/out CSS properties to get correct calculations. -jQuery.swap = function( elem, options, callback, args ) { - var ret, name, - old = {}; + jQuery.fx.interval = 13; + jQuery.fx.start = function() { + if ( inProgress ) { + return; + } - // Remember the old values, and insert the new ones - for ( name in options ) { - old[ name ] = elem.style[ name ]; - elem.style[ name ] = options[ name ]; - } + inProgress = true; + schedule(); + }; - ret = callback.apply( elem, args || [] ); + jQuery.fx.stop = function() { + inProgress = null; + }; - // Revert the old values - for ( name in options ) { - elem.style[ name ] = old[ name ]; - } + jQuery.fx.speeds = { + slow: 600, + fast: 200, - return ret; -}; + // Default speed + _default: 400 + }; -var - // Swappable if display is none or starts with table except "table", "table-cell", or "table-caption" - // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display - rdisplayswap = /^(none|table(?!-c[ea]).+)/, - rnumsplit = new RegExp( "^(" + pnum + ")(.*)$", "i" ), - rrelNum = new RegExp( "^([+-])=(" + pnum + ")", "i" ), +// Based off of the plugin by Clint Helfers, with permission. +// https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/ + jQuery.fn.delay = function( time, type ) { + time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time; + type = type || "fx"; - cssShow = { position: "absolute", visibility: "hidden", display: "block" }, - cssNormalTransform = { - letterSpacing: "0", - fontWeight: "400" - }, + return this.queue( type, function( next, hooks ) { + var timeout = window.setTimeout( next, time ); + hooks.stop = function() { + window.clearTimeout( timeout ); + }; + } ); + }; - cssPrefixes = [ "Webkit", "O", "Moz", "ms" ]; -// Return a css property mapped to a potentially vendor prefixed property -function vendorPropName( style, name ) { + ( function() { + var input = document.createElement( "input" ), + select = document.createElement( "select" ), + opt = select.appendChild( document.createElement( "option" ) ); - // Shortcut for names that are not vendor prefixed - if ( name in style ) { - return name; - } + input.type = "checkbox"; - // Check for vendor prefixed names - var capName = name[0].toUpperCase() + name.slice(1), - origName = name, - i = cssPrefixes.length; + // Support: Android <=4.3 only + // Default value for a checkbox should be "on" + support.checkOn = input.value !== ""; - while ( i-- ) { - name = cssPrefixes[ i ] + capName; - if ( name in style ) { - return name; - } - } + // Support: IE <=11 only + // Must access selectedIndex to make default options select + support.optSelected = opt.selected; - return origName; -} + // Support: IE <=11 only + // An input loses its value after becoming a radio + input = document.createElement( "input" ); + input.value = "t"; + input.type = "radio"; + support.radioValue = input.value === "t"; + } )(); -function setPositiveNumber( elem, value, subtract ) { - var matches = rnumsplit.exec( value ); - return matches ? - // Guard against undefined "subtract", e.g., when used as in cssHooks - Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) : - value; -} -function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) { - var i = extra === ( isBorderBox ? "border" : "content" ) ? - // If we already have the right measurement, avoid augmentation - 4 : - // Otherwise initialize for horizontal or vertical properties - name === "width" ? 1 : 0, + var boolHook, + attrHandle = jQuery.expr.attrHandle; - val = 0; + jQuery.fn.extend( { + attr: function( name, value ) { + return access( this, jQuery.attr, name, value, arguments.length > 1 ); + }, - for ( ; i < 4; i += 2 ) { - // Both box models exclude margin, so add it if we want it - if ( extra === "margin" ) { - val += jQuery.css( elem, extra + cssExpand[ i ], true, styles ); + removeAttr: function( name ) { + return this.each( function() { + jQuery.removeAttr( this, name ); + } ); } + } ); - if ( isBorderBox ) { - // border-box includes padding, so remove it if we want content - if ( extra === "content" ) { - val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); - } + jQuery.extend( { + attr: function( elem, name, value ) { + var ret, hooks, + nType = elem.nodeType; - // At this point, extra isn't border nor margin, so remove border - if ( extra !== "margin" ) { - val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); + // Don't get/set attributes on text, comment and attribute nodes + if ( nType === 3 || nType === 8 || nType === 2 ) { + return; } - } else { - // At this point, extra isn't content, so add padding - val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); - // At this point, extra isn't content nor padding, so add border - if ( extra !== "padding" ) { - val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); + // Fallback to prop when attributes are not supported + if ( typeof elem.getAttribute === "undefined" ) { + return jQuery.prop( elem, name, value ); } - } - } - return val; -} + // Attribute hooks are determined by the lowercase version + // Grab necessary hook if one is defined + if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { + hooks = jQuery.attrHooks[ name.toLowerCase() ] || + ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined ); + } -function getWidthOrHeight( elem, name, extra ) { + if ( value !== undefined ) { + if ( value === null ) { + jQuery.removeAttr( elem, name ); + return; + } - // Start with offset property, which is equivalent to the border-box value - var valueIsBorderBox = true, - val = name === "width" ? elem.offsetWidth : elem.offsetHeight, - styles = getStyles( elem ), - isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box"; + if ( hooks && "set" in hooks && + ( ret = hooks.set( elem, value, name ) ) !== undefined ) { + return ret; + } - // Some non-html elements return undefined for offsetWidth, so check for null/undefined - // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285 - // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668 - if ( val <= 0 || val == null ) { - // Fall back to computed then uncomputed css if necessary - val = curCSS( elem, name, styles ); - if ( val < 0 || val == null ) { - val = elem.style[ name ]; - } + elem.setAttribute( name, value + "" ); + return value; + } - // Computed unit is not pixels. Stop here and return. - if ( rnumnonpx.test(val) ) { - return val; - } + if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { + return ret; + } - // Check for style in case a browser which returns unreliable values - // for getComputedStyle silently falls back to the reliable elem.style - valueIsBorderBox = isBorderBox && - ( support.boxSizingReliable() || val === elem.style[ name ] ); + ret = jQuery.find.attr( elem, name ); - // Normalize "", auto, and prepare for extra - val = parseFloat( val ) || 0; - } + // Non-existent attributes return null, we normalize to undefined + return ret == null ? undefined : ret; + }, - // Use the active box-sizing model to add/subtract irrelevant styles - return ( val + - augmentWidthOrHeight( - elem, - name, - extra || ( isBorderBox ? "border" : "content" ), - valueIsBorderBox, - styles - ) - ) + "px"; -} - -function showHide( elements, show ) { - var display, elem, hidden, - values = [], - index = 0, - length = elements.length; - - for ( ; index < length; index++ ) { - elem = elements[ index ]; - if ( !elem.style ) { - continue; - } - - values[ index ] = data_priv.get( elem, "olddisplay" ); - display = elem.style.display; - if ( show ) { - // Reset the inline display of this element to learn if it is - // being hidden by cascaded rules or not - if ( !values[ index ] && display === "none" ) { - elem.style.display = ""; - } - - // Set elements which have been overridden with display: none - // in a stylesheet to whatever the default browser style is - // for such an element - if ( elem.style.display === "" && isHidden( elem ) ) { - values[ index ] = data_priv.access( elem, "olddisplay", defaultDisplay(elem.nodeName) ); + attrHooks: { + type: { + set: function( elem, value ) { + if ( !support.radioValue && value === "radio" && + nodeName( elem, "input" ) ) { + var val = elem.value; + elem.setAttribute( "type", value ); + if ( val ) { + elem.value = val; + } + return value; + } + } } - } else { - hidden = isHidden( elem ); + }, + + removeAttr: function( elem, value ) { + var name, + i = 0, - if ( display !== "none" || !hidden ) { - data_priv.set( elem, "olddisplay", hidden ? display : jQuery.css( elem, "display" ) ); + // Attribute names can contain non-HTML whitespace characters + // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2 + attrNames = value && value.match( rnothtmlwhite ); + + if ( attrNames && elem.nodeType === 1 ) { + while ( ( name = attrNames[ i++ ] ) ) { + elem.removeAttribute( name ); + } } } - } + } ); - // Set the display of most of the elements in a second loop - // to avoid the constant reflow - for ( index = 0; index < length; index++ ) { - elem = elements[ index ]; - if ( !elem.style ) { - continue; - } - if ( !show || elem.style.display === "none" || elem.style.display === "" ) { - elem.style.display = show ? values[ index ] || "" : "none"; +// Hooks for boolean attributes + boolHook = { + set: function( elem, value, name ) { + if ( value === false ) { + + // Remove boolean attributes when set to false + jQuery.removeAttr( elem, name ); + } else { + elem.setAttribute( name, name ); + } + return name; } - } + }; - return elements; -} + jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( _i, name ) { + var getter = attrHandle[ name ] || jQuery.find.attr; -jQuery.extend({ + attrHandle[ name ] = function( elem, name, isXML ) { + var ret, handle, + lowercaseName = name.toLowerCase(); - // Add in style property hooks for overriding the default - // behavior of getting and setting a style property - cssHooks: { - opacity: { - get: function( elem, computed ) { - if ( computed ) { + if ( !isXML ) { - // We should always get a number back from opacity - var ret = curCSS( elem, "opacity" ); - return ret === "" ? "1" : ret; - } - } - } - }, - - // Don't automatically add "px" to these possibly-unitless properties - cssNumber: { - "columnCount": true, - "fillOpacity": true, - "flexGrow": true, - "flexShrink": true, - "fontWeight": true, - "lineHeight": true, - "opacity": true, - "order": true, - "orphans": true, - "widows": true, - "zIndex": true, - "zoom": true - }, - - // Add in properties whose names you wish to fix before - // setting or getting the value - cssProps: { - "float": "cssFloat" - }, - - // Get and set the style property on a DOM Node - style: function( elem, name, value, extra ) { - - // Don't set styles on text and comment nodes - if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) { - return; - } + // Avoid an infinite loop by temporarily removing this function from the getter + handle = attrHandle[ lowercaseName ]; + attrHandle[ lowercaseName ] = ret; + ret = getter( elem, name, isXML ) != null ? + lowercaseName : + null; + attrHandle[ lowercaseName ] = handle; + } + return ret; + }; + } ); - // Make sure that we're working with the right name - var ret, type, hooks, - origName = jQuery.camelCase( name ), - style = elem.style; - name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) ); - // Gets hook for the prefixed version, then unprefixed version - hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; - // Check if we're setting a value - if ( value !== undefined ) { - type = typeof value; + var rfocusable = /^(?:input|select|textarea|button)$/i, + rclickable = /^(?:a|area)$/i; - // Convert "+=" or "-=" to relative numbers (#7345) - if ( type === "string" && (ret = rrelNum.exec( value )) ) { - value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) ); - // Fixes bug #9237 - type = "number"; - } + jQuery.fn.extend( { + prop: function( name, value ) { + return access( this, jQuery.prop, name, value, arguments.length > 1 ); + }, + + removeProp: function( name ) { + return this.each( function() { + delete this[ jQuery.propFix[ name ] || name ]; + } ); + } + } ); + + jQuery.extend( { + prop: function( elem, name, value ) { + var ret, hooks, + nType = elem.nodeType; - // Make sure that null and NaN values aren't set (#7116) - if ( value == null || value !== value ) { + // Don't get/set properties on text, comment and attribute nodes + if ( nType === 3 || nType === 8 || nType === 2 ) { return; } - // If a number, add 'px' to the (except for certain CSS properties) - if ( type === "number" && !jQuery.cssNumber[ origName ] ) { - value += "px"; - } + if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { - // Support: IE9-11+ - // background-* props affect original clone's values - if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) { - style[ name ] = "inherit"; + // Fix name and attach hooks + name = jQuery.propFix[ name ] || name; + hooks = jQuery.propHooks[ name ]; } - // If a hook was provided, use that value, otherwise just set the specified value - if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) { - style[ name ] = value; + if ( value !== undefined ) { + if ( hooks && "set" in hooks && + ( ret = hooks.set( elem, value, name ) ) !== undefined ) { + return ret; + } + + return ( elem[ name ] = value ); } - } else { - // If a hook was provided get the non-computed value from there - if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) { + if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { return ret; } - // Otherwise just get the value from the style object - return style[ name ]; - } - }, - - css: function( elem, name, extra, styles ) { - var val, num, hooks, - origName = jQuery.camelCase( name ); - - // Make sure that we're working with the right name - name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) ); - - // Try prefixed name followed by the unprefixed name - hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ]; - - // If a hook was provided get the computed value from there - if ( hooks && "get" in hooks ) { - val = hooks.get( elem, true, extra ); - } + return elem[ name ]; + }, - // Otherwise, if a way to get the computed value exists, use that - if ( val === undefined ) { - val = curCSS( elem, name, styles ); - } + propHooks: { + tabIndex: { + get: function( elem ) { - // Convert "normal" to computed value - if ( val === "normal" && name in cssNormalTransform ) { - val = cssNormalTransform[ name ]; - } + // Support: IE <=9 - 11 only + // elem.tabIndex doesn't always return the + // correct value when it hasn't been explicitly set + // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/ + // Use proper attribute retrieval(#12072) + var tabindex = jQuery.find.attr( elem, "tabindex" ); - // Make numeric if forced or a qualifier was provided and val looks numeric - if ( extra === "" || extra ) { - num = parseFloat( val ); - return extra === true || jQuery.isNumeric( num ) ? num || 0 : val; - } - return val; - } -}); + if ( tabindex ) { + return parseInt( tabindex, 10 ); + } -jQuery.each([ "height", "width" ], function( i, name ) { - jQuery.cssHooks[ name ] = { - get: function( elem, computed, extra ) { - if ( computed ) { + if ( + rfocusable.test( elem.nodeName ) || + rclickable.test( elem.nodeName ) && + elem.href + ) { + return 0; + } - // Certain elements can have dimension info if we invisibly show them - // but it must have a current display style that would benefit - return rdisplayswap.test( jQuery.css( elem, "display" ) ) && elem.offsetWidth === 0 ? - jQuery.swap( elem, cssShow, function() { - return getWidthOrHeight( elem, name, extra ); - }) : - getWidthOrHeight( elem, name, extra ); + return -1; + } } }, - set: function( elem, value, extra ) { - var styles = extra && getStyles( elem ); - return setPositiveNumber( elem, value, extra ? - augmentWidthOrHeight( - elem, - name, - extra, - jQuery.css( elem, "boxSizing", false, styles ) === "border-box", - styles - ) : 0 - ); - } - }; -}); - -// Support: Android 2.3 -jQuery.cssHooks.marginRight = addGetHookIf( support.reliableMarginRight, - function( elem, computed ) { - if ( computed ) { - return jQuery.swap( elem, { "display": "inline-block" }, - curCSS, [ elem, "marginRight" ] ); - } - } -); + propFix: { + "for": "htmlFor", + "class": "className" + } + } ); + +// Support: IE <=11 only +// Accessing the selectedIndex property +// forces the browser to respect setting selected +// on the option +// The getter ensures a default option is selected +// when in an optgroup +// eslint rule "no-unused-expressions" is disabled for this code +// since it considers such accessions noop + if ( !support.optSelected ) { + jQuery.propHooks.selected = { + get: function( elem ) { -// These hooks are used by animate to expand properties -jQuery.each({ - margin: "", - padding: "", - border: "Width" -}, function( prefix, suffix ) { - jQuery.cssHooks[ prefix + suffix ] = { - expand: function( value ) { - var i = 0, - expanded = {}, + /* eslint no-unused-expressions: "off" */ - // Assumes a single number if not a string - parts = typeof value === "string" ? value.split(" ") : [ value ]; + var parent = elem.parentNode; + if ( parent && parent.parentNode ) { + parent.parentNode.selectedIndex; + } + return null; + }, + set: function( elem ) { - for ( ; i < 4; i++ ) { - expanded[ prefix + cssExpand[ i ] + suffix ] = - parts[ i ] || parts[ i - 2 ] || parts[ 0 ]; - } + /* eslint no-unused-expressions: "off" */ - return expanded; - } - }; + var parent = elem.parentNode; + if ( parent ) { + parent.selectedIndex; - if ( !rmargin.test( prefix ) ) { - jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber; + if ( parent.parentNode ) { + parent.parentNode.selectedIndex; + } + } + } + }; } -}); -jQuery.fn.extend({ - css: function( name, value ) { - return access( this, function( elem, name, value ) { - var styles, len, - map = {}, - i = 0; + jQuery.each( [ + "tabIndex", + "readOnly", + "maxLength", + "cellSpacing", + "cellPadding", + "rowSpan", + "colSpan", + "useMap", + "frameBorder", + "contentEditable" + ], function() { + jQuery.propFix[ this.toLowerCase() ] = this; + } ); - if ( jQuery.isArray( name ) ) { - styles = getStyles( elem ); - len = name.length; - for ( ; i < len; i++ ) { - map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles ); - } - return map; - } - return value !== undefined ? - jQuery.style( elem, name, value ) : - jQuery.css( elem, name ); - }, name, value, arguments.length > 1 ); - }, - show: function() { - return showHide( this, true ); - }, - hide: function() { - return showHide( this ); - }, - toggle: function( state ) { - if ( typeof state === "boolean" ) { - return state ? this.show() : this.hide(); - } + // Strip and collapse whitespace according to HTML spec + // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace + function stripAndCollapse( value ) { + var tokens = value.match( rnothtmlwhite ) || []; + return tokens.join( " " ); + } - return this.each(function() { - if ( isHidden( this ) ) { - jQuery( this ).show(); - } else { - jQuery( this ).hide(); - } - }); + + function getClass( elem ) { + return elem.getAttribute && elem.getAttribute( "class" ) || ""; } -}); - - -function Tween( elem, options, prop, end, easing ) { - return new Tween.prototype.init( elem, options, prop, end, easing ); -} -jQuery.Tween = Tween; - -Tween.prototype = { - constructor: Tween, - init: function( elem, options, prop, end, easing, unit ) { - this.elem = elem; - this.prop = prop; - this.easing = easing || "swing"; - this.options = options; - this.start = this.now = this.cur(); - this.end = end; - this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" ); - }, - cur: function() { - var hooks = Tween.propHooks[ this.prop ]; - - return hooks && hooks.get ? - hooks.get( this ) : - Tween.propHooks._default.get( this ); - }, - run: function( percent ) { - var eased, - hooks = Tween.propHooks[ this.prop ]; - - if ( this.options.duration ) { - this.pos = eased = jQuery.easing[ this.easing ]( - percent, this.options.duration * percent, 0, 1, this.options.duration - ); - } else { - this.pos = eased = percent; - } - this.now = ( this.end - this.start ) * eased + this.start; - if ( this.options.step ) { - this.options.step.call( this.elem, this.now, this ); + function classesToArray( value ) { + if ( Array.isArray( value ) ) { + return value; } - - if ( hooks && hooks.set ) { - hooks.set( this ); - } else { - Tween.propHooks._default.set( this ); + if ( typeof value === "string" ) { + return value.match( rnothtmlwhite ) || []; } - return this; + return []; } -}; - -Tween.prototype.init.prototype = Tween.prototype; - -Tween.propHooks = { - _default: { - get: function( tween ) { - var result; - if ( tween.elem[ tween.prop ] != null && - (!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) { - return tween.elem[ tween.prop ]; - } + jQuery.fn.extend( { + addClass: function( value ) { + var classes, elem, cur, curValue, clazz, j, finalValue, + i = 0; - // Passing an empty string as a 3rd parameter to .css will automatically - // attempt a parseFloat and fallback to a string if the parse fails. - // Simple values such as "10px" are parsed to Float; - // complex values such as "rotate(1rad)" are returned as-is. - result = jQuery.css( tween.elem, tween.prop, "" ); - // Empty strings, null, undefined and "auto" are converted to 0. - return !result || result === "auto" ? 0 : result; - }, - set: function( tween ) { - // Use step hook for back compat. - // Use cssHook if its there. - // Use .style if available and use plain properties where available. - if ( jQuery.fx.step[ tween.prop ] ) { - jQuery.fx.step[ tween.prop ]( tween ); - } else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) { - jQuery.style( tween.elem, tween.prop, tween.now + tween.unit ); - } else { - tween.elem[ tween.prop ] = tween.now; + if ( isFunction( value ) ) { + return this.each( function( j ) { + jQuery( this ).addClass( value.call( this, j, getClass( this ) ) ); + } ); } - } - } -}; -// Support: IE9 -// Panic based approach to setting things on disconnected nodes -Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = { - set: function( tween ) { - if ( tween.elem.nodeType && tween.elem.parentNode ) { - tween.elem[ tween.prop ] = tween.now; - } - } -}; - -jQuery.easing = { - linear: function( p ) { - return p; - }, - swing: function( p ) { - return 0.5 - Math.cos( p * Math.PI ) / 2; - } -}; + classes = classesToArray( value ); -jQuery.fx = Tween.prototype.init; - -// Back Compat <1.8 extension point -jQuery.fx.step = {}; + if ( classes.length ) { + while ( ( elem = this[ i++ ] ) ) { + curValue = getClass( elem ); + cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " ); + if ( cur ) { + j = 0; + while ( ( clazz = classes[ j++ ] ) ) { + if ( cur.indexOf( " " + clazz + " " ) < 0 ) { + cur += clazz + " "; + } + } + // Only assign if different to avoid unneeded rendering. + finalValue = stripAndCollapse( cur ); + if ( curValue !== finalValue ) { + elem.setAttribute( "class", finalValue ); + } + } + } + } + return this; + }, -var - fxNow, timerId, - rfxtypes = /^(?:toggle|show|hide)$/, - rfxnum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ), - rrun = /queueHooks$/, - animationPrefilters = [ defaultPrefilter ], - tweeners = { - "*": [ function( prop, value ) { - var tween = this.createTween( prop, value ), - target = tween.cur(), - parts = rfxnum.exec( value ), - unit = parts && parts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ), + removeClass: function( value ) { + var classes, elem, cur, curValue, clazz, j, finalValue, + i = 0; - // Starting value computation is required for potential unit mismatches - start = ( jQuery.cssNumber[ prop ] || unit !== "px" && +target ) && - rfxnum.exec( jQuery.css( tween.elem, prop ) ), - scale = 1, - maxIterations = 20; + if ( isFunction( value ) ) { + return this.each( function( j ) { + jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) ); + } ); + } - if ( start && start[ 3 ] !== unit ) { - // Trust units reported by jQuery.css - unit = unit || start[ 3 ]; + if ( !arguments.length ) { + return this.attr( "class", "" ); + } - // Make sure we update the tween properties later on - parts = parts || []; + classes = classesToArray( value ); - // Iteratively approximate from a nonzero starting point - start = +target || 1; + if ( classes.length ) { + while ( ( elem = this[ i++ ] ) ) { + curValue = getClass( elem ); - do { - // If previous iteration zeroed out, double until we get *something*. - // Use string for doubling so we don't accidentally see scale as unchanged below - scale = scale || ".5"; + // This expression is here for better compressibility (see addClass) + cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " ); - // Adjust and apply - start = start / scale; - jQuery.style( tween.elem, prop, start + unit ); + if ( cur ) { + j = 0; + while ( ( clazz = classes[ j++ ] ) ) { - // Update scale, tolerating zero or NaN from tween.cur(), - // break the loop if scale is unchanged or perfect, or if we've just had enough - } while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations ); - } + // Remove *all* instances + while ( cur.indexOf( " " + clazz + " " ) > -1 ) { + cur = cur.replace( " " + clazz + " ", " " ); + } + } - // Update tween properties - if ( parts ) { - start = tween.start = +start || +target || 0; - tween.unit = unit; - // If a +=/-= token was provided, we're doing a relative animation - tween.end = parts[ 1 ] ? - start + ( parts[ 1 ] + 1 ) * parts[ 2 ] : - +parts[ 2 ]; + // Only assign if different to avoid unneeded rendering. + finalValue = stripAndCollapse( cur ); + if ( curValue !== finalValue ) { + elem.setAttribute( "class", finalValue ); + } + } + } } - return tween; - } ] - }; + return this; + }, -// Animations created synchronously will run synchronously -function createFxNow() { - setTimeout(function() { - fxNow = undefined; - }); - return ( fxNow = jQuery.now() ); -} + toggleClass: function( value, stateVal ) { + var type = typeof value, + isValidValue = type === "string" || Array.isArray( value ); -// Generate parameters to create a standard animation -function genFx( type, includeWidth ) { - var which, - i = 0, - attrs = { height: type }; - - // If we include width, step value is 1 to do all cssExpand values, - // otherwise step value is 2 to skip over Left and Right - includeWidth = includeWidth ? 1 : 0; - for ( ; i < 4 ; i += 2 - includeWidth ) { - which = cssExpand[ i ]; - attrs[ "margin" + which ] = attrs[ "padding" + which ] = type; - } + if ( typeof stateVal === "boolean" && isValidValue ) { + return stateVal ? this.addClass( value ) : this.removeClass( value ); + } - if ( includeWidth ) { - attrs.opacity = attrs.width = type; - } + if ( isFunction( value ) ) { + return this.each( function( i ) { + jQuery( this ).toggleClass( + value.call( this, i, getClass( this ), stateVal ), + stateVal + ); + } ); + } - return attrs; -} + return this.each( function() { + var className, i, self, classNames; -function createTween( value, prop, animation ) { - var tween, - collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ), - index = 0, - length = collection.length; - for ( ; index < length; index++ ) { - if ( (tween = collection[ index ].call( animation, prop, value )) ) { + if ( isValidValue ) { - // We're done with this property - return tween; - } - } -} - -function defaultPrefilter( elem, props, opts ) { - /* jshint validthis: true */ - var prop, value, toggle, tween, hooks, oldfire, display, checkDisplay, - anim = this, - orig = {}, - style = elem.style, - hidden = elem.nodeType && isHidden( elem ), - dataShow = data_priv.get( elem, "fxshow" ); - - // Handle queue: false promises - if ( !opts.queue ) { - hooks = jQuery._queueHooks( elem, "fx" ); - if ( hooks.unqueued == null ) { - hooks.unqueued = 0; - oldfire = hooks.empty.fire; - hooks.empty.fire = function() { - if ( !hooks.unqueued ) { - oldfire(); - } - }; - } - hooks.unqueued++; + // Toggle individual class names + i = 0; + self = jQuery( this ); + classNames = classesToArray( value ); - anim.always(function() { - // Ensure the complete handler is called before this completes - anim.always(function() { - hooks.unqueued--; - if ( !jQuery.queue( elem, "fx" ).length ) { - hooks.empty.fire(); - } - }); - }); - } + while ( ( className = classNames[ i++ ] ) ) { - // Height/width overflow pass - if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) { - // Make sure that nothing sneaks out - // Record all 3 overflow attributes because IE9-10 do not - // change the overflow attribute when overflowX and - // overflowY are set to the same value - opts.overflow = [ style.overflow, style.overflowX, style.overflowY ]; + // Check each className given, space separated list + if ( self.hasClass( className ) ) { + self.removeClass( className ); + } else { + self.addClass( className ); + } + } - // Set display property to inline-block for height/width - // animations on inline elements that are having width/height animated - display = jQuery.css( elem, "display" ); + // Toggle whole class name + } else if ( value === undefined || type === "boolean" ) { + className = getClass( this ); + if ( className ) { - // Test default display if display is currently "none" - checkDisplay = display === "none" ? - data_priv.get( elem, "olddisplay" ) || defaultDisplay( elem.nodeName ) : display; + // Store className if set + dataPriv.set( this, "__className__", className ); + } - if ( checkDisplay === "inline" && jQuery.css( elem, "float" ) === "none" ) { - style.display = "inline-block"; - } - } + // If the element has a class name or if we're passed `false`, + // then remove the whole classname (if there was one, the above saved it). + // Otherwise bring back whatever was previously saved (if anything), + // falling back to the empty string if nothing was stored. + if ( this.setAttribute ) { + this.setAttribute( "class", + className || value === false ? + "" : + dataPriv.get( this, "__className__" ) || "" + ); + } + } + } ); + }, - if ( opts.overflow ) { - style.overflow = "hidden"; - anim.always(function() { - style.overflow = opts.overflow[ 0 ]; - style.overflowX = opts.overflow[ 1 ]; - style.overflowY = opts.overflow[ 2 ]; - }); - } + hasClass: function( selector ) { + var className, elem, + i = 0; - // show/hide pass - for ( prop in props ) { - value = props[ prop ]; - if ( rfxtypes.exec( value ) ) { - delete props[ prop ]; - toggle = toggle || value === "toggle"; - if ( value === ( hidden ? "hide" : "show" ) ) { - - // If there is dataShow left over from a stopped hide or show and we are going to proceed with show, we should pretend to be hidden - if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) { - hidden = true; - } else { - continue; + className = " " + selector + " "; + while ( ( elem = this[ i++ ] ) ) { + if ( elem.nodeType === 1 && + ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) { + return true; } } - orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop ); - // Any non-fx value stops us from restoring the original display value - } else { - display = undefined; + return false; } - } + } ); - if ( !jQuery.isEmptyObject( orig ) ) { - if ( dataShow ) { - if ( "hidden" in dataShow ) { - hidden = dataShow.hidden; - } - } else { - dataShow = data_priv.access( elem, "fxshow", {} ); - } - // Store state if its toggle - enables .stop().toggle() to "reverse" - if ( toggle ) { - dataShow.hidden = !hidden; - } - if ( hidden ) { - jQuery( elem ).show(); - } else { - anim.done(function() { - jQuery( elem ).hide(); - }); - } - anim.done(function() { - var prop; - data_priv.remove( elem, "fxshow" ); - for ( prop in orig ) { - jQuery.style( elem, prop, orig[ prop ] ); - } - }); - for ( prop in orig ) { - tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim ); - if ( !( prop in dataShow ) ) { - dataShow[ prop ] = tween.start; - if ( hidden ) { - tween.end = tween.start; - tween.start = prop === "width" || prop === "height" ? 1 : 0; - } - } - } + var rreturn = /\r/g; - // If this is a noop like .hide().hide(), restore an overwritten display value - } else if ( (display === "none" ? defaultDisplay( elem.nodeName ) : display) === "inline" ) { - style.display = display; - } -} + jQuery.fn.extend( { + val: function( value ) { + var hooks, ret, valueIsFunction, + elem = this[ 0 ]; -function propFilter( props, specialEasing ) { - var index, name, easing, value, hooks; + if ( !arguments.length ) { + if ( elem ) { + hooks = jQuery.valHooks[ elem.type ] || + jQuery.valHooks[ elem.nodeName.toLowerCase() ]; - // camelCase, specialEasing and expand cssHook pass - for ( index in props ) { - name = jQuery.camelCase( index ); - easing = specialEasing[ name ]; - value = props[ index ]; - if ( jQuery.isArray( value ) ) { - easing = value[ 1 ]; - value = props[ index ] = value[ 0 ]; - } + if ( hooks && + "get" in hooks && + ( ret = hooks.get( elem, "value" ) ) !== undefined + ) { + return ret; + } - if ( index !== name ) { - props[ name ] = value; - delete props[ index ]; - } + ret = elem.value; - hooks = jQuery.cssHooks[ name ]; - if ( hooks && "expand" in hooks ) { - value = hooks.expand( value ); - delete props[ name ]; + // Handle most common string cases + if ( typeof ret === "string" ) { + return ret.replace( rreturn, "" ); + } - // Not quite $.extend, this won't overwrite existing keys. - // Reusing 'index' because we have the correct "name" - for ( index in value ) { - if ( !( index in props ) ) { - props[ index ] = value[ index ]; - specialEasing[ index ] = easing; + // Handle cases where value is null/undef or number + return ret == null ? "" : ret; } - } - } else { - specialEasing[ name ] = easing; - } - } -} - -function Animation( elem, properties, options ) { - var result, - stopped, - index = 0, - length = animationPrefilters.length, - deferred = jQuery.Deferred().always( function() { - // Don't match elem in the :animated selector - delete tick.elem; - }), - tick = function() { - if ( stopped ) { - return false; - } - var currentTime = fxNow || createFxNow(), - remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ), - // Support: Android 2.3 - // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497) - temp = remaining / animation.duration || 0, - percent = 1 - temp, - index = 0, - length = animation.tweens.length; - for ( ; index < length ; index++ ) { - animation.tweens[ index ].run( percent ); + return; } - deferred.notifyWith( elem, [ animation, percent, remaining ]); + valueIsFunction = isFunction( value ); - if ( percent < 1 && length ) { - return remaining; - } else { - deferred.resolveWith( elem, [ animation ] ); - return false; - } - }, - animation = deferred.promise({ - elem: elem, - props: jQuery.extend( {}, properties ), - opts: jQuery.extend( true, { specialEasing: {} }, options ), - originalProperties: properties, - originalOptions: options, - startTime: fxNow || createFxNow(), - duration: options.duration, - tweens: [], - createTween: function( prop, end ) { - var tween = jQuery.Tween( elem, animation.opts, prop, end, - animation.opts.specialEasing[ prop ] || animation.opts.easing ); - animation.tweens.push( tween ); - return tween; - }, - stop: function( gotoEnd ) { - var index = 0, - // If we are going to the end, we want to run all the tweens - // otherwise we skip this part - length = gotoEnd ? animation.tweens.length : 0; - if ( stopped ) { - return this; - } - stopped = true; - for ( ; index < length ; index++ ) { - animation.tweens[ index ].run( 1 ); + return this.each( function( i ) { + var val; + + if ( this.nodeType !== 1 ) { + return; } - // Resolve when we played the last frame; otherwise, reject - if ( gotoEnd ) { - deferred.resolveWith( elem, [ animation, gotoEnd ] ); + if ( valueIsFunction ) { + val = value.call( this, i, jQuery( this ).val() ); } else { - deferred.rejectWith( elem, [ animation, gotoEnd ] ); + val = value; } - return this; - } - }), - props = animation.props; - - propFilter( props, animation.opts.specialEasing ); - - for ( ; index < length ; index++ ) { - result = animationPrefilters[ index ].call( animation, elem, props, animation.opts ); - if ( result ) { - return result; - } - } - jQuery.map( props, createTween, animation ); + // Treat null/undefined as ""; convert numbers to string + if ( val == null ) { + val = ""; - if ( jQuery.isFunction( animation.opts.start ) ) { - animation.opts.start.call( elem, animation ); - } - - jQuery.fx.timer( - jQuery.extend( tick, { - elem: elem, - anim: animation, - queue: animation.opts.queue - }) - ); + } else if ( typeof val === "number" ) { + val += ""; - // attach callbacks from options - return animation.progress( animation.opts.progress ) - .done( animation.opts.done, animation.opts.complete ) - .fail( animation.opts.fail ) - .always( animation.opts.always ); -} + } else if ( Array.isArray( val ) ) { + val = jQuery.map( val, function( value ) { + return value == null ? "" : value + ""; + } ); + } -jQuery.Animation = jQuery.extend( Animation, { + hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ]; - tweener: function( props, callback ) { - if ( jQuery.isFunction( props ) ) { - callback = props; - props = [ "*" ]; - } else { - props = props.split(" "); + // If set returns undefined, fall back to normal setting + if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) { + this.value = val; + } + } ); } + } ); - var prop, - index = 0, - length = props.length; + jQuery.extend( { + valHooks: { + option: { + get: function( elem ) { - for ( ; index < length ; index++ ) { - prop = props[ index ]; - tweeners[ prop ] = tweeners[ prop ] || []; - tweeners[ prop ].unshift( callback ); - } - }, + var val = jQuery.find.attr( elem, "value" ); + return val != null ? + val : - prefilter: function( callback, prepend ) { - if ( prepend ) { - animationPrefilters.unshift( callback ); - } else { - animationPrefilters.push( callback ); - } - } -}); - -jQuery.speed = function( speed, easing, fn ) { - var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : { - complete: fn || !fn && easing || - jQuery.isFunction( speed ) && speed, - duration: speed, - easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing - }; + // Support: IE <=10 - 11 only + // option.text throws exceptions (#14686, #14858) + // Strip and collapse whitespace + // https://html.spec.whatwg.org/#strip-and-collapse-whitespace + stripAndCollapse( jQuery.text( elem ) ); + } + }, + select: { + get: function( elem ) { + var value, option, i, + options = elem.options, + index = elem.selectedIndex, + one = elem.type === "select-one", + values = one ? null : [], + max = one ? index + 1 : options.length; + + if ( index < 0 ) { + i = max; - opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration : - opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default; + } else { + i = one ? index : 0; + } - // Normalize opt.queue - true/undefined/null -> "fx" - if ( opt.queue == null || opt.queue === true ) { - opt.queue = "fx"; - } + // Loop through all the selected options + for ( ; i < max; i++ ) { + option = options[ i ]; - // Queueing - opt.old = opt.complete; + // Support: IE <=9 only + // IE8-9 doesn't update selected after form reset (#2551) + if ( ( option.selected || i === index ) && - opt.complete = function() { - if ( jQuery.isFunction( opt.old ) ) { - opt.old.call( this ); - } + // Don't return options that are disabled or in a disabled optgroup + !option.disabled && + ( !option.parentNode.disabled || + !nodeName( option.parentNode, "optgroup" ) ) ) { - if ( opt.queue ) { - jQuery.dequeue( this, opt.queue ); - } - }; + // Get the specific value for the option + value = jQuery( option ).val(); - return opt; -}; + // We don't need an array for one selects + if ( one ) { + return value; + } -jQuery.fn.extend({ - fadeTo: function( speed, to, easing, callback ) { + // Multi-Selects return an array + values.push( value ); + } + } - // Show any hidden elements after setting opacity to 0 - return this.filter( isHidden ).css( "opacity", 0 ).show() + return values; + }, - // Animate to the value specified - .end().animate({ opacity: to }, speed, easing, callback ); - }, - animate: function( prop, speed, easing, callback ) { - var empty = jQuery.isEmptyObject( prop ), - optall = jQuery.speed( speed, easing, callback ), - doAnimation = function() { - // Operate on a copy of prop so per-property easing won't be lost - var anim = Animation( this, jQuery.extend( {}, prop ), optall ); + set: function( elem, value ) { + var optionSet, option, + options = elem.options, + values = jQuery.makeArray( value ), + i = options.length; - // Empty animations, or finishing resolves immediately - if ( empty || data_priv.get( this, "finish" ) ) { - anim.stop( true ); - } - }; - doAnimation.finish = doAnimation; + while ( i-- ) { + option = options[ i ]; - return empty || optall.queue === false ? - this.each( doAnimation ) : - this.queue( optall.queue, doAnimation ); - }, - stop: function( type, clearQueue, gotoEnd ) { - var stopQueue = function( hooks ) { - var stop = hooks.stop; - delete hooks.stop; - stop( gotoEnd ); - }; + /* eslint-disable no-cond-assign */ - if ( typeof type !== "string" ) { - gotoEnd = clearQueue; - clearQueue = type; - type = undefined; - } - if ( clearQueue && type !== false ) { - this.queue( type || "fx", [] ); - } + if ( option.selected = + jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1 + ) { + optionSet = true; + } - return this.each(function() { - var dequeue = true, - index = type != null && type + "queueHooks", - timers = jQuery.timers, - data = data_priv.get( this ); + /* eslint-enable no-cond-assign */ + } - if ( index ) { - if ( data[ index ] && data[ index ].stop ) { - stopQueue( data[ index ] ); - } - } else { - for ( index in data ) { - if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) { - stopQueue( data[ index ] ); + // Force browsers to behave consistently when non-matching value is set + if ( !optionSet ) { + elem.selectedIndex = -1; } + return values; } } + } + } ); - for ( index = timers.length; index--; ) { - if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) { - timers[ index ].anim.stop( gotoEnd ); - dequeue = false; - timers.splice( index, 1 ); +// Radios and checkboxes getter/setter + jQuery.each( [ "radio", "checkbox" ], function() { + jQuery.valHooks[ this ] = { + set: function( elem, value ) { + if ( Array.isArray( value ) ) { + return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 ); } } - - // Start the next in the queue if the last step wasn't forced. - // Timers currently will call their complete callbacks, which - // will dequeue but only if they were gotoEnd. - if ( dequeue || !gotoEnd ) { - jQuery.dequeue( this, type ); - } - }); - }, - finish: function( type ) { - if ( type !== false ) { - type = type || "fx"; + }; + if ( !support.checkOn ) { + jQuery.valHooks[ this ].get = function( elem ) { + return elem.getAttribute( "value" ) === null ? "on" : elem.value; + }; } - return this.each(function() { - var index, - data = data_priv.get( this ), - queue = data[ type + "queue" ], - hooks = data[ type + "queueHooks" ], - timers = jQuery.timers, - length = queue ? queue.length : 0; + } ); - // Enable finishing flag on private data - data.finish = true; - // Empty the queue first - jQuery.queue( this, type, [] ); - if ( hooks && hooks.stop ) { - hooks.stop.call( this, true ); - } - // Look for any active animations, and finish them - for ( index = timers.length; index--; ) { - if ( timers[ index ].elem === this && timers[ index ].queue === type ) { - timers[ index ].anim.stop( true ); - timers.splice( index, 1 ); - } +// Return jQuery for attributes-only inclusion + + + support.focusin = "onfocusin" in window; + + + var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/, + stopPropagationCallback = function( e ) { + e.stopPropagation(); + }; + + jQuery.extend( jQuery.event, { + + trigger: function( event, data, elem, onlyHandlers ) { + + var i, cur, tmp, bubbleType, ontype, handle, special, lastElement, + eventPath = [ elem || document ], + type = hasOwn.call( event, "type" ) ? event.type : event, + namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : []; + + cur = lastElement = tmp = elem = elem || document; + + // Don't do events on text and comment nodes + if ( elem.nodeType === 3 || elem.nodeType === 8 ) { + return; } - // Look for any animations in the old queue and finish them - for ( index = 0; index < length; index++ ) { - if ( queue[ index ] && queue[ index ].finish ) { - queue[ index ].finish.call( this ); - } + // focus/blur morphs to focusin/out; ensure we're not firing them right now + if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { + return; } - // Turn off finishing flag - delete data.finish; - }); - } -}); - -jQuery.each([ "toggle", "show", "hide" ], function( i, name ) { - var cssFn = jQuery.fn[ name ]; - jQuery.fn[ name ] = function( speed, easing, callback ) { - return speed == null || typeof speed === "boolean" ? - cssFn.apply( this, arguments ) : - this.animate( genFx( name, true ), speed, easing, callback ); - }; -}); + if ( type.indexOf( "." ) > -1 ) { -// Generate shortcuts for custom animations -jQuery.each({ - slideDown: genFx("show"), - slideUp: genFx("hide"), - slideToggle: genFx("toggle"), - fadeIn: { opacity: "show" }, - fadeOut: { opacity: "hide" }, - fadeToggle: { opacity: "toggle" } -}, function( name, props ) { - jQuery.fn[ name ] = function( speed, easing, callback ) { - return this.animate( props, speed, easing, callback ); - }; -}); + // Namespaced trigger; create a regexp to match event type in handle() + namespaces = type.split( "." ); + type = namespaces.shift(); + namespaces.sort(); + } + ontype = type.indexOf( ":" ) < 0 && "on" + type; -jQuery.timers = []; -jQuery.fx.tick = function() { - var timer, - i = 0, - timers = jQuery.timers; + // Caller can pass in a jQuery.Event object, Object, or just an event type string + event = event[ jQuery.expando ] ? + event : + new jQuery.Event( type, typeof event === "object" && event ); - fxNow = jQuery.now(); + // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true) + event.isTrigger = onlyHandlers ? 2 : 3; + event.namespace = namespaces.join( "." ); + event.rnamespace = event.namespace ? + new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) : + null; - for ( ; i < timers.length; i++ ) { - timer = timers[ i ]; - // Checks the timer has not already been removed - if ( !timer() && timers[ i ] === timer ) { - timers.splice( i--, 1 ); - } - } + // Clean up the event in case it is being reused + event.result = undefined; + if ( !event.target ) { + event.target = elem; + } - if ( !timers.length ) { - jQuery.fx.stop(); - } - fxNow = undefined; -}; + // Clone any incoming data and prepend the event, creating the handler arg list + data = data == null ? + [ event ] : + jQuery.makeArray( data, [ event ] ); -jQuery.fx.timer = function( timer ) { - jQuery.timers.push( timer ); - if ( timer() ) { - jQuery.fx.start(); - } else { - jQuery.timers.pop(); - } -}; + // Allow special events to draw outside the lines + special = jQuery.event.special[ type ] || {}; + if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { + return; + } -jQuery.fx.interval = 13; + // Determine event propagation path in advance, per W3C events spec (#9951) + // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) + if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) { -jQuery.fx.start = function() { - if ( !timerId ) { - timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval ); - } -}; + bubbleType = special.delegateType || type; + if ( !rfocusMorph.test( bubbleType + type ) ) { + cur = cur.parentNode; + } + for ( ; cur; cur = cur.parentNode ) { + eventPath.push( cur ); + tmp = cur; + } + + // Only add window if we got to document (e.g., not plain obj or detached DOM) + if ( tmp === ( elem.ownerDocument || document ) ) { + eventPath.push( tmp.defaultView || tmp.parentWindow || window ); + } + } -jQuery.fx.stop = function() { - clearInterval( timerId ); - timerId = null; -}; + // Fire handlers on the event path + i = 0; + while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) { + lastElement = cur; + event.type = i > 1 ? + bubbleType : + special.bindType || type; + + // jQuery handler + handle = ( + dataPriv.get( cur, "events" ) || Object.create( null ) + )[ event.type ] && + dataPriv.get( cur, "handle" ); + if ( handle ) { + handle.apply( cur, data ); + } + + // Native handler + handle = ontype && cur[ ontype ]; + if ( handle && handle.apply && acceptData( cur ) ) { + event.result = handle.apply( cur, data ); + if ( event.result === false ) { + event.preventDefault(); + } + } + } + event.type = type; -jQuery.fx.speeds = { - slow: 600, - fast: 200, - // Default speed - _default: 400 -}; + // If nobody prevented the default action, do it now + if ( !onlyHandlers && !event.isDefaultPrevented() ) { + if ( ( !special._default || + special._default.apply( eventPath.pop(), data ) === false ) && + acceptData( elem ) ) { -// Based off of the plugin by Clint Helfers, with permission. -// http://blindsignals.com/index.php/2009/07/jquery-delay/ -jQuery.fn.delay = function( time, type ) { - time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time; - type = type || "fx"; - - return this.queue( type, function( next, hooks ) { - var timeout = setTimeout( next, time ); - hooks.stop = function() { - clearTimeout( timeout ); - }; - }); -}; + // Call a native DOM method on the target with the same name as the event. + // Don't do default actions on window, that's where global variables be (#6170) + if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) { + // Don't re-trigger an onFOO event when we call its FOO() method + tmp = elem[ ontype ]; -(function() { - var input = document.createElement( "input" ), - select = document.createElement( "select" ), - opt = select.appendChild( document.createElement( "option" ) ); + if ( tmp ) { + elem[ ontype ] = null; + } - input.type = "checkbox"; + // Prevent re-triggering of the same event, since we already bubbled it above + jQuery.event.triggered = type; - // Support: iOS<=5.1, Android<=4.2+ - // Default value for a checkbox should be "on" - support.checkOn = input.value !== ""; + if ( event.isPropagationStopped() ) { + lastElement.addEventListener( type, stopPropagationCallback ); + } - // Support: IE<=11+ - // Must access selectedIndex to make default options select - support.optSelected = opt.selected; + elem[ type ](); - // Support: Android<=2.3 - // Options inside disabled selects are incorrectly marked as disabled - select.disabled = true; - support.optDisabled = !opt.disabled; + if ( event.isPropagationStopped() ) { + lastElement.removeEventListener( type, stopPropagationCallback ); + } - // Support: IE<=11+ - // An input loses its value after becoming a radio - input = document.createElement( "input" ); - input.value = "t"; - input.type = "radio"; - support.radioValue = input.value === "t"; -})(); + jQuery.event.triggered = undefined; + if ( tmp ) { + elem[ ontype ] = tmp; + } + } + } + } -var nodeHook, boolHook, - attrHandle = jQuery.expr.attrHandle; + return event.result; + }, -jQuery.fn.extend({ - attr: function( name, value ) { - return access( this, jQuery.attr, name, value, arguments.length > 1 ); - }, + // Piggyback on a donor event to simulate a different one + // Used only for `focus(in | out)` events + simulate: function( type, elem, event ) { + var e = jQuery.extend( + new jQuery.Event(), + event, + { + type: type, + isSimulated: true + } + ); - removeAttr: function( name ) { - return this.each(function() { - jQuery.removeAttr( this, name ); - }); - } -}); + jQuery.event.trigger( e, null, elem ); + } -jQuery.extend({ - attr: function( elem, name, value ) { - var hooks, ret, - nType = elem.nodeType; + } ); - // don't get/set attributes on text, comment and attribute nodes - if ( !elem || nType === 3 || nType === 8 || nType === 2 ) { - return; - } + jQuery.fn.extend( { - // Fallback to prop when attributes are not supported - if ( typeof elem.getAttribute === strundefined ) { - return jQuery.prop( elem, name, value ); + trigger: function( type, data ) { + return this.each( function() { + jQuery.event.trigger( type, data, this ); + } ); + }, + triggerHandler: function( type, data ) { + var elem = this[ 0 ]; + if ( elem ) { + return jQuery.event.trigger( type, data, elem, true ); + } } + } ); - // All attributes are lowercase - // Grab necessary hook if one is defined - if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { - name = name.toLowerCase(); - hooks = jQuery.attrHooks[ name ] || - ( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook ); - } - if ( value !== undefined ) { +// Support: Firefox <=44 +// Firefox doesn't have focus(in | out) events +// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787 +// +// Support: Chrome <=48 - 49, Safari <=9.0 - 9.1 +// focus(in | out) events fire after focus & blur events, +// which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order +// Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857 + if ( !support.focusin ) { + jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) { + + // Attach a single capturing handler on the document while someone wants focusin/focusout + var handler = function( event ) { + jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) ); + }; - if ( value === null ) { - jQuery.removeAttr( elem, name ); + jQuery.event.special[ fix ] = { + setup: function() { - } else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) { - return ret; + // Handle: regular nodes (via `this.ownerDocument`), window + // (via `this.document`) & document (via `this`). + var doc = this.ownerDocument || this.document || this, + attaches = dataPriv.access( doc, fix ); - } else { - elem.setAttribute( name, value + "" ); - return value; - } + if ( !attaches ) { + doc.addEventListener( orig, handler, true ); + } + dataPriv.access( doc, fix, ( attaches || 0 ) + 1 ); + }, + teardown: function() { + var doc = this.ownerDocument || this.document || this, + attaches = dataPriv.access( doc, fix ) - 1; - } else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) { - return ret; + if ( !attaches ) { + doc.removeEventListener( orig, handler, true ); + dataPriv.remove( doc, fix ); - } else { - ret = jQuery.find.attr( elem, name ); + } else { + dataPriv.access( doc, fix, attaches ); + } + } + }; + } ); + } + var location = window.location; - // Non-existent attributes return null, we normalize to undefined - return ret == null ? - undefined : - ret; - } - }, + var nonce = { guid: Date.now() }; - removeAttr: function( elem, value ) { - var name, propName, - i = 0, - attrNames = value && value.match( rnotwhite ); + var rquery = ( /\?/ ); - if ( attrNames && elem.nodeType === 1 ) { - while ( (name = attrNames[i++]) ) { - propName = jQuery.propFix[ name ] || name; - // Boolean attributes get special treatment (#10870) - if ( jQuery.expr.match.bool.test( name ) ) { - // Set corresponding property to false - elem[ propName ] = false; - } - elem.removeAttribute( name ); - } +// Cross-browser xml parsing + jQuery.parseXML = function( data ) { + var xml; + if ( !data || typeof data !== "string" ) { + return null; } - }, - attrHooks: { - type: { - set: function( elem, value ) { - if ( !support.radioValue && value === "radio" && - jQuery.nodeName( elem, "input" ) ) { - var val = elem.value; - elem.setAttribute( "type", value ); - if ( val ) { - elem.value = val; - } - return value; - } - } + // Support: IE 9 - 11 only + // IE throws on parseFromString with invalid input. + try { + xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" ); + } catch ( e ) { + xml = undefined; } - } -}); -// Hooks for boolean attributes -boolHook = { - set: function( elem, value, name ) { - if ( value === false ) { - // Remove boolean attributes when set to false - jQuery.removeAttr( elem, name ); - } else { - elem.setAttribute( name, name ); + if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) { + jQuery.error( "Invalid XML: " + data ); } - return name; - } -}; -jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) { - var getter = attrHandle[ name ] || jQuery.find.attr; - - attrHandle[ name ] = function( elem, name, isXML ) { - var ret, handle; - if ( !isXML ) { - // Avoid an infinite loop by temporarily removing this function from the getter - handle = attrHandle[ name ]; - attrHandle[ name ] = ret; - ret = getter( elem, name, isXML ) != null ? - name.toLowerCase() : - null; - attrHandle[ name ] = handle; - } - return ret; + return xml; }; -}); + var + rbracket = /\[\]$/, + rCRLF = /\r?\n/g, + rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i, + rsubmittable = /^(?:input|select|textarea|keygen)/i; + function buildParams( prefix, obj, traditional, add ) { + var name; -var rfocusable = /^(?:input|select|textarea|button)$/i; + if ( Array.isArray( obj ) ) { -jQuery.fn.extend({ - prop: function( name, value ) { - return access( this, jQuery.prop, name, value, arguments.length > 1 ); - }, + // Serialize array item. + jQuery.each( obj, function( i, v ) { + if ( traditional || rbracket.test( prefix ) ) { - removeProp: function( name ) { - return this.each(function() { - delete this[ jQuery.propFix[ name ] || name ]; - }); - } -}); + // Treat each array item as a scalar. + add( prefix, v ); + + } else { -jQuery.extend({ - propFix: { - "for": "htmlFor", - "class": "className" - }, + // Item is non-scalar (array or object), encode its numeric index. + buildParams( + prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]", + v, + traditional, + add + ); + } + } ); - prop: function( elem, name, value ) { - var ret, hooks, notxml, - nType = elem.nodeType; + } else if ( !traditional && toType( obj ) === "object" ) { - // Don't get/set properties on text, comment and attribute nodes - if ( !elem || nType === 3 || nType === 8 || nType === 2 ) { - return; + // Serialize object item. + for ( name in obj ) { + buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add ); + } + + } else { + + // Serialize scalar item. + add( prefix, obj ); } + } - notxml = nType !== 1 || !jQuery.isXMLDoc( elem ); +// Serialize an array of form elements or a set of +// key/values into a query string + jQuery.param = function( a, traditional ) { + var prefix, + s = [], + add = function( key, valueOrFunction ) { + + // If value is a function, invoke it and use its return value + var value = isFunction( valueOrFunction ) ? + valueOrFunction() : + valueOrFunction; + + s[ s.length ] = encodeURIComponent( key ) + "=" + + encodeURIComponent( value == null ? "" : value ); + }; - if ( notxml ) { - // Fix name and attach hooks - name = jQuery.propFix[ name ] || name; - hooks = jQuery.propHooks[ name ]; + if ( a == null ) { + return ""; } - if ( value !== undefined ) { - return hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ? - ret : - ( elem[ name ] = value ); + // If an array was passed in, assume that it is an array of form elements. + if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) { + + // Serialize the form elements + jQuery.each( a, function() { + add( this.name, this.value ); + } ); } else { - return hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ? - ret : - elem[ name ]; - } - }, - propHooks: { - tabIndex: { - get: function( elem ) { - return elem.hasAttribute( "tabindex" ) || rfocusable.test( elem.nodeName ) || elem.href ? - elem.tabIndex : - -1; + // If traditional, encode the "old" way (the way 1.3.2 or older + // did it), otherwise encode params recursively. + for ( prefix in a ) { + buildParams( prefix, a[ prefix ], traditional, add ); } } - } -}); -if ( !support.optSelected ) { - jQuery.propHooks.selected = { - get: function( elem ) { - var parent = elem.parentNode; - if ( parent && parent.parentNode ) { - parent.parentNode.selectedIndex; - } - return null; - } + // Return the resulting serialization + return s.join( "&" ); }; -} -jQuery.each([ - "tabIndex", - "readOnly", - "maxLength", - "cellSpacing", - "cellPadding", - "rowSpan", - "colSpan", - "useMap", - "frameBorder", - "contentEditable" -], function() { - jQuery.propFix[ this.toLowerCase() ] = this; -}); + jQuery.fn.extend( { + serialize: function() { + return jQuery.param( this.serializeArray() ); + }, + serializeArray: function() { + return this.map( function() { + + // Can add propHook for "elements" to filter or add form elements + var elements = jQuery.prop( this, "elements" ); + return elements ? jQuery.makeArray( elements ) : this; + } ) + .filter( function() { + var type = this.type; + + // Use .is( ":disabled" ) so that fieldset[disabled] works + return this.name && !jQuery( this ).is( ":disabled" ) && + rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) && + ( this.checked || !rcheckableType.test( type ) ); + } ) + .map( function( _i, elem ) { + var val = jQuery( this ).val(); + + if ( val == null ) { + return null; + } + if ( Array.isArray( val ) ) { + return jQuery.map( val, function( val ) { + return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; + } ); + } + return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; + } ).get(); + } + } ); -var rclass = /[\t\r\n\f]/g; + var + r20 = /%20/g, + rhash = /#.*$/, + rantiCache = /([?&])_=[^&]*/, + rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg, -jQuery.fn.extend({ - addClass: function( value ) { - var classes, elem, cur, clazz, j, finalValue, - proceed = typeof value === "string" && value, - i = 0, - len = this.length; + // #7653, #8125, #8152: local protocol detection + rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/, + rnoContent = /^(?:GET|HEAD)$/, + rprotocol = /^\/\//, - if ( jQuery.isFunction( value ) ) { - return this.each(function( j ) { - jQuery( this ).addClass( value.call( this, j, this.className ) ); - }); - } + /* Prefilters + * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example) + * 2) These are called: + * - BEFORE asking for a transport + * - AFTER param serialization (s.data is a string if s.processData is true) + * 3) key is the dataType + * 4) the catchall symbol "*" can be used + * 5) execution will start with transport dataType and THEN continue down to "*" if needed + */ + prefilters = {}, - if ( proceed ) { - // The disjunction here is for better compressibility (see removeClass) - classes = ( value || "" ).match( rnotwhite ) || []; + /* Transports bindings + * 1) key is the dataType + * 2) the catchall symbol "*" can be used + * 3) selection will start with transport dataType and THEN go to "*" if needed + */ + transports = {}, - for ( ; i < len; i++ ) { - elem = this[ i ]; - cur = elem.nodeType === 1 && ( elem.className ? - ( " " + elem.className + " " ).replace( rclass, " " ) : - " " - ); + // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression + allTypes = "*/".concat( "*" ), - if ( cur ) { - j = 0; - while ( (clazz = classes[j++]) ) { - if ( cur.indexOf( " " + clazz + " " ) < 0 ) { - cur += clazz + " "; - } - } + // Anchor tag for parsing the document origin + originAnchor = document.createElement( "a" ); + originAnchor.href = location.href; - // only assign if different to avoid unneeded rendering. - finalValue = jQuery.trim( cur ); - if ( elem.className !== finalValue ) { - elem.className = finalValue; - } - } +// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport + function addToPrefiltersOrTransports( structure ) { + + // dataTypeExpression is optional and defaults to "*" + return function( dataTypeExpression, func ) { + + if ( typeof dataTypeExpression !== "string" ) { + func = dataTypeExpression; + dataTypeExpression = "*"; } - } - return this; - }, + var dataType, + i = 0, + dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || []; - removeClass: function( value ) { - var classes, elem, cur, clazz, j, finalValue, - proceed = arguments.length === 0 || typeof value === "string" && value, - i = 0, - len = this.length; - - if ( jQuery.isFunction( value ) ) { - return this.each(function( j ) { - jQuery( this ).removeClass( value.call( this, j, this.className ) ); - }); - } - if ( proceed ) { - classes = ( value || "" ).match( rnotwhite ) || []; - - for ( ; i < len; i++ ) { - elem = this[ i ]; - // This expression is here for better compressibility (see addClass) - cur = elem.nodeType === 1 && ( elem.className ? - ( " " + elem.className + " " ).replace( rclass, " " ) : - "" - ); + if ( isFunction( func ) ) { - if ( cur ) { - j = 0; - while ( (clazz = classes[j++]) ) { - // Remove *all* instances - while ( cur.indexOf( " " + clazz + " " ) >= 0 ) { - cur = cur.replace( " " + clazz + " ", " " ); - } - } + // For each dataType in the dataTypeExpression + while ( ( dataType = dataTypes[ i++ ] ) ) { - // Only assign if different to avoid unneeded rendering. - finalValue = value ? jQuery.trim( cur ) : ""; - if ( elem.className !== finalValue ) { - elem.className = finalValue; + // Prepend if requested + if ( dataType[ 0 ] === "+" ) { + dataType = dataType.slice( 1 ) || "*"; + ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func ); + + // Otherwise append + } else { + ( structure[ dataType ] = structure[ dataType ] || [] ).push( func ); } } } - } - - return this; - }, - - toggleClass: function( value, stateVal ) { - var type = typeof value; + }; + } - if ( typeof stateVal === "boolean" && type === "string" ) { - return stateVal ? this.addClass( value ) : this.removeClass( value ); - } +// Base inspection function for prefilters and transports + function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) { - if ( jQuery.isFunction( value ) ) { - return this.each(function( i ) { - jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal ); - }); - } + var inspected = {}, + seekingTransport = ( structure === transports ); - return this.each(function() { - if ( type === "string" ) { - // Toggle individual class names - var className, - i = 0, - self = jQuery( this ), - classNames = value.match( rnotwhite ) || []; + function inspect( dataType ) { + var selected; + inspected[ dataType ] = true; + jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) { + var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR ); + if ( typeof dataTypeOrTransport === "string" && + !seekingTransport && !inspected[ dataTypeOrTransport ] ) { - while ( (className = classNames[ i++ ]) ) { - // Check each className given, space separated list - if ( self.hasClass( className ) ) { - self.removeClass( className ); - } else { - self.addClass( className ); - } + options.dataTypes.unshift( dataTypeOrTransport ); + inspect( dataTypeOrTransport ); + return false; + } else if ( seekingTransport ) { + return !( selected = dataTypeOrTransport ); } + } ); + return selected; + } - // Toggle whole class name - } else if ( type === strundefined || type === "boolean" ) { - if ( this.className ) { - // store className if set - data_priv.set( this, "__className__", this.className ); - } + return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" ); + } - // If the element has a class name or if we're passed `false`, - // then remove the whole classname (if there was one, the above saved it). - // Otherwise bring back whatever was previously saved (if anything), - // falling back to the empty string if nothing was stored. - this.className = this.className || value === false ? "" : data_priv.get( this, "__className__" ) || ""; - } - }); - }, +// A special extend for ajax options +// that takes "flat" options (not to be deep extended) +// Fixes #9887 + function ajaxExtend( target, src ) { + var key, deep, + flatOptions = jQuery.ajaxSettings.flatOptions || {}; - hasClass: function( selector ) { - var className = " " + selector + " ", - i = 0, - l = this.length; - for ( ; i < l; i++ ) { - if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) { - return true; + for ( key in src ) { + if ( src[ key ] !== undefined ) { + ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ]; } } + if ( deep ) { + jQuery.extend( true, target, deep ); + } - return false; + return target; } -}); - + /* Handles responses to an ajax request: + * - finds the right dataType (mediates between content-type and expected dataType) + * - returns the corresponding response + */ + function ajaxHandleResponses( s, jqXHR, responses ) { + var ct, type, finalDataType, firstDataType, + contents = s.contents, + dataTypes = s.dataTypes; -var rreturn = /\r/g; + // Remove auto dataType and get content-type in the process + while ( dataTypes[ 0 ] === "*" ) { + dataTypes.shift(); + if ( ct === undefined ) { + ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" ); + } + } -jQuery.fn.extend({ - val: function( value ) { - var hooks, ret, isFunction, - elem = this[0]; + // Check if we're dealing with a known content-type + if ( ct ) { + for ( type in contents ) { + if ( contents[ type ] && contents[ type ].test( ct ) ) { + dataTypes.unshift( type ); + break; + } + } + } - if ( !arguments.length ) { - if ( elem ) { - hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ]; + // Check to see if we have a response for the expected dataType + if ( dataTypes[ 0 ] in responses ) { + finalDataType = dataTypes[ 0 ]; + } else { - if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) { - return ret; + // Try convertible dataTypes + for ( type in responses ) { + if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) { + finalDataType = type; + break; + } + if ( !firstDataType ) { + firstDataType = type; } + } - ret = elem.value; + // Or just use first one + finalDataType = finalDataType || firstDataType; + } - return typeof ret === "string" ? - // Handle most common string cases - ret.replace(rreturn, "") : - // Handle cases where value is null/undef or number - ret == null ? "" : ret; + // If we found a dataType + // We add the dataType to the list if needed + // and return the corresponding response + if ( finalDataType ) { + if ( finalDataType !== dataTypes[ 0 ] ) { + dataTypes.unshift( finalDataType ); } - - return; + return responses[ finalDataType ]; } + } - isFunction = jQuery.isFunction( value ); + /* Chain conversions given the request and the original response + * Also sets the responseXXX fields on the jqXHR instance + */ + function ajaxConvert( s, response, jqXHR, isSuccess ) { + var conv2, current, conv, tmp, prev, + converters = {}, - return this.each(function( i ) { - var val; + // Work with a copy of dataTypes in case we need to modify it for conversion + dataTypes = s.dataTypes.slice(); - if ( this.nodeType !== 1 ) { - return; + // Create converters map with lowercased keys + if ( dataTypes[ 1 ] ) { + for ( conv in s.converters ) { + converters[ conv.toLowerCase() ] = s.converters[ conv ]; } + } - if ( isFunction ) { - val = value.call( this, i, jQuery( this ).val() ); - } else { - val = value; - } + current = dataTypes.shift(); - // Treat null/undefined as ""; convert numbers to string - if ( val == null ) { - val = ""; + // Convert to each sequential dataType + while ( current ) { - } else if ( typeof val === "number" ) { - val += ""; + if ( s.responseFields[ current ] ) { + jqXHR[ s.responseFields[ current ] ] = response; + } - } else if ( jQuery.isArray( val ) ) { - val = jQuery.map( val, function( value ) { - return value == null ? "" : value + ""; - }); + // Apply the dataFilter if provided + if ( !prev && isSuccess && s.dataFilter ) { + response = s.dataFilter( response, s.dataType ); } - hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ]; + prev = current; + current = dataTypes.shift(); - // If set returns undefined, fall back to normal setting - if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) { - this.value = val; - } - }); - } -}); + if ( current ) { -jQuery.extend({ - valHooks: { - option: { - get: function( elem ) { - var val = jQuery.find.attr( elem, "value" ); - return val != null ? - val : - // Support: IE10-11+ - // option.text throws exceptions (#14686, #14858) - jQuery.trim( jQuery.text( elem ) ); - } - }, - select: { - get: function( elem ) { - var value, option, - options = elem.options, - index = elem.selectedIndex, - one = elem.type === "select-one" || index < 0, - values = one ? null : [], - max = one ? index + 1 : options.length, - i = index < 0 ? - max : - one ? index : 0; - - // Loop through all the selected options - for ( ; i < max; i++ ) { - option = options[ i ]; - - // IE6-9 doesn't update selected after form reset (#2551) - if ( ( option.selected || i === index ) && - // Don't return options that are disabled or in a disabled optgroup - ( support.optDisabled ? !option.disabled : option.getAttribute( "disabled" ) === null ) && - ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) { + // There's only work to do if current dataType is non-auto + if ( current === "*" ) { - // Get the specific value for the option - value = jQuery( option ).val(); + current = prev; - // We don't need an array for one selects - if ( one ) { - return value; - } + // Convert response if prev dataType is non-auto and differs from current + } else if ( prev !== "*" && prev !== current ) { - // Multi-Selects return an array - values.push( value ); - } - } + // Seek a direct converter + conv = converters[ prev + " " + current ] || converters[ "* " + current ]; - return values; - }, + // If none found, seek a pair + if ( !conv ) { + for ( conv2 in converters ) { - set: function( elem, value ) { - var optionSet, option, - options = elem.options, - values = jQuery.makeArray( value ), - i = options.length; + // If conv2 outputs current + tmp = conv2.split( " " ); + if ( tmp[ 1 ] === current ) { - while ( i-- ) { - option = options[ i ]; - if ( (option.selected = jQuery.inArray( option.value, values ) >= 0) ) { - optionSet = true; + // If prev can be converted to accepted input + conv = converters[ prev + " " + tmp[ 0 ] ] || + converters[ "* " + tmp[ 0 ] ]; + if ( conv ) { + + // Condense equivalence converters + if ( conv === true ) { + conv = converters[ conv2 ]; + + // Otherwise, insert the intermediate dataType + } else if ( converters[ conv2 ] !== true ) { + current = tmp[ 0 ]; + dataTypes.unshift( tmp[ 1 ] ); + } + break; + } + } + } } - } - // Force browsers to behave consistently when non-matching value is set - if ( !optionSet ) { - elem.selectedIndex = -1; + // Apply converter (if not an equivalence) + if ( conv !== true ) { + + // Unless errors are allowed to bubble, catch and return them + if ( conv && s.throws ) { + response = conv( response ); + } else { + try { + response = conv( response ); + } catch ( e ) { + return { + state: "parsererror", + error: conv ? e : "No conversion from " + prev + " to " + current + }; + } + } + } } - return values; } } + + return { state: "success", data: response }; } -}); -// Radios and checkboxes getter/setter -jQuery.each([ "radio", "checkbox" ], function() { - jQuery.valHooks[ this ] = { - set: function( elem, value ) { - if ( jQuery.isArray( value ) ) { - return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 ); + jQuery.extend( { + + // Counter for holding the number of active queries + active: 0, + + // Last-Modified header cache for next request + lastModified: {}, + etag: {}, + + ajaxSettings: { + url: location.href, + type: "GET", + isLocal: rlocalProtocol.test( location.protocol ), + global: true, + processData: true, + async: true, + contentType: "application/x-www-form-urlencoded; charset=UTF-8", + + /* + timeout: 0, + data: null, + dataType: null, + username: null, + password: null, + cache: null, + throws: false, + traditional: false, + headers: {}, + */ + + accepts: { + "*": allTypes, + text: "text/plain", + html: "text/html", + xml: "application/xml, text/xml", + json: "application/json, text/javascript" + }, + + contents: { + xml: /\bxml\b/, + html: /\bhtml/, + json: /\bjson\b/ + }, + + responseFields: { + xml: "responseXML", + text: "responseText", + json: "responseJSON" + }, + + // Data converters + // Keys separate source (or catchall "*") and destination types with a single space + converters: { + + // Convert anything to text + "* text": String, + + // Text to html (true = no transformation) + "text html": true, + + // Evaluate text as a json expression + "text json": JSON.parse, + + // Parse text as xml + "text xml": jQuery.parseXML + }, + + // For options that shouldn't be deep extended: + // you can add your own custom options here if + // and when you create one that shouldn't be + // deep extended (see ajaxExtend) + flatOptions: { + url: true, + context: true } - } - }; - if ( !support.checkOn ) { - jQuery.valHooks[ this ].get = function( elem ) { - return elem.getAttribute("value") === null ? "on" : elem.value; - }; - } -}); + }, + + // Creates a full fledged settings object into target + // with both ajaxSettings and settings fields. + // If target is omitted, writes into ajaxSettings. + ajaxSetup: function( target, settings ) { + return settings ? + // Building a settings object + ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) : + // Extending ajaxSettings + ajaxExtend( jQuery.ajaxSettings, target ); + }, + ajaxPrefilter: addToPrefiltersOrTransports( prefilters ), + ajaxTransport: addToPrefiltersOrTransports( transports ), -// Return jQuery for attributes-only inclusion + // Main method + ajax: function( url, options ) { + // If url is an object, simulate pre-1.5 signature + if ( typeof url === "object" ) { + options = url; + url = undefined; + } -jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " + - "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " + - "change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) { + // Force options to be an object + options = options || {}; - // Handle event binding - jQuery.fn[ name ] = function( data, fn ) { - return arguments.length > 0 ? - this.on( name, null, data, fn ) : - this.trigger( name ); - }; -}); - -jQuery.fn.extend({ - hover: function( fnOver, fnOut ) { - return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver ); - }, - - bind: function( types, data, fn ) { - return this.on( types, null, data, fn ); - }, - unbind: function( types, fn ) { - return this.off( types, null, fn ); - }, - - delegate: function( selector, types, data, fn ) { - return this.on( types, selector, data, fn ); - }, - undelegate: function( selector, types, fn ) { - // ( namespace ) or ( selector, types [, fn] ) - return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn ); - } -}); + var transport, + // URL without anti-cache param + cacheURL, -var nonce = jQuery.now(); + // Response headers + responseHeadersString, + responseHeaders, -var rquery = (/\?/); + // timeout handle + timeoutTimer, + // Url cleanup var + urlAnchor, + // Request state (becomes false upon send and true upon completion) + completed, -// Support: Android 2.3 -// Workaround failure to string-cast null input -jQuery.parseJSON = function( data ) { - return JSON.parse( data + "" ); -}; + // To know if global events are to be dispatched + fireGlobals, + // Loop variable + i, -// Cross-browser xml parsing -jQuery.parseXML = function( data ) { - var xml, tmp; - if ( !data || typeof data !== "string" ) { - return null; - } + // uncached part of the url + uncached, - // Support: IE9 - try { - tmp = new DOMParser(); - xml = tmp.parseFromString( data, "text/xml" ); - } catch ( e ) { - xml = undefined; - } + // Create the final options object + s = jQuery.ajaxSetup( {}, options ), - if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) { - jQuery.error( "Invalid XML: " + data ); - } - return xml; -}; + // Callbacks context + callbackContext = s.context || s, + // Context for global events is callbackContext if it is a DOM node or jQuery collection + globalEventContext = s.context && + ( callbackContext.nodeType || callbackContext.jquery ) ? + jQuery( callbackContext ) : + jQuery.event, -var - rhash = /#.*$/, - rts = /([?&])_=[^&]*/, - rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg, - // #7653, #8125, #8152: local protocol detection - rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/, - rnoContent = /^(?:GET|HEAD)$/, - rprotocol = /^\/\//, - rurl = /^([\w.+-]+:)(?:\/\/(?:[^\/?#]*@|)([^\/?#:]*)(?::(\d+)|)|)/, + // Deferreds + deferred = jQuery.Deferred(), + completeDeferred = jQuery.Callbacks( "once memory" ), - /* Prefilters - * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example) - * 2) These are called: - * - BEFORE asking for a transport - * - AFTER param serialization (s.data is a string if s.processData is true) - * 3) key is the dataType - * 4) the catchall symbol "*" can be used - * 5) execution will start with transport dataType and THEN continue down to "*" if needed - */ - prefilters = {}, + // Status-dependent callbacks + statusCode = s.statusCode || {}, + + // Headers (they are sent all at once) + requestHeaders = {}, + requestHeadersNames = {}, + + // Default abort message + strAbort = "canceled", + + // Fake xhr + jqXHR = { + readyState: 0, + + // Builds headers hashtable if needed + getResponseHeader: function( key ) { + var match; + if ( completed ) { + if ( !responseHeaders ) { + responseHeaders = {}; + while ( ( match = rheaders.exec( responseHeadersString ) ) ) { + responseHeaders[ match[ 1 ].toLowerCase() + " " ] = + ( responseHeaders[ match[ 1 ].toLowerCase() + " " ] || [] ) + .concat( match[ 2 ] ); + } + } + match = responseHeaders[ key.toLowerCase() + " " ]; + } + return match == null ? null : match.join( ", " ); + }, + + // Raw string + getAllResponseHeaders: function() { + return completed ? responseHeadersString : null; + }, + + // Caches the header + setRequestHeader: function( name, value ) { + if ( completed == null ) { + name = requestHeadersNames[ name.toLowerCase() ] = + requestHeadersNames[ name.toLowerCase() ] || name; + requestHeaders[ name ] = value; + } + return this; + }, - /* Transports bindings - * 1) key is the dataType - * 2) the catchall symbol "*" can be used - * 3) selection will start with transport dataType and THEN go to "*" if needed - */ - transports = {}, + // Overrides response content-type header + overrideMimeType: function( type ) { + if ( completed == null ) { + s.mimeType = type; + } + return this; + }, + + // Status-dependent callbacks + statusCode: function( map ) { + var code; + if ( map ) { + if ( completed ) { + + // Execute the appropriate callbacks + jqXHR.always( map[ jqXHR.status ] ); + } else { - // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression - allTypes = "*/".concat( "*" ), + // Lazy-add the new callbacks in a way that preserves old ones + for ( code in map ) { + statusCode[ code ] = [ statusCode[ code ], map[ code ] ]; + } + } + } + return this; + }, + + // Cancel the request + abort: function( statusText ) { + var finalText = statusText || strAbort; + if ( transport ) { + transport.abort( finalText ); + } + done( 0, finalText ); + return this; + } + }; - // Document location - ajaxLocation = window.location.href, + // Attach deferreds + deferred.promise( jqXHR ); - // Segment location into parts - ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || []; + // Add protocol if not provided (prefilters might expect it) + // Handle falsy url in the settings object (#10093: consistency with old signature) + // We also use the url parameter if available + s.url = ( ( url || s.url || location.href ) + "" ) + .replace( rprotocol, location.protocol + "//" ); -// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport -function addToPrefiltersOrTransports( structure ) { + // Alias method option to type as per ticket #12004 + s.type = options.method || options.type || s.method || s.type; - // dataTypeExpression is optional and defaults to "*" - return function( dataTypeExpression, func ) { + // Extract dataTypes list + s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ]; - if ( typeof dataTypeExpression !== "string" ) { - func = dataTypeExpression; - dataTypeExpression = "*"; - } + // A cross-domain request is in order when the origin doesn't match the current origin. + if ( s.crossDomain == null ) { + urlAnchor = document.createElement( "a" ); - var dataType, - i = 0, - dataTypes = dataTypeExpression.toLowerCase().match( rnotwhite ) || []; + // Support: IE <=8 - 11, Edge 12 - 15 + // IE throws exception on accessing the href property if url is malformed, + // e.g. http://example.com:80x/ + try { + urlAnchor.href = s.url; - if ( jQuery.isFunction( func ) ) { - // For each dataType in the dataTypeExpression - while ( (dataType = dataTypes[i++]) ) { - // Prepend if requested - if ( dataType[0] === "+" ) { - dataType = dataType.slice( 1 ) || "*"; - (structure[ dataType ] = structure[ dataType ] || []).unshift( func ); + // Support: IE <=8 - 11 only + // Anchor's host property isn't correctly set when s.url is relative + urlAnchor.href = urlAnchor.href; + s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !== + urlAnchor.protocol + "//" + urlAnchor.host; + } catch ( e ) { - // Otherwise append - } else { - (structure[ dataType ] = structure[ dataType ] || []).push( func ); + // If there is an error parsing the URL, assume it is crossDomain, + // it can be rejected by the transport if it is invalid + s.crossDomain = true; } } - } - }; -} -// Base inspection function for prefilters and transports -function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) { - - var inspected = {}, - seekingTransport = ( structure === transports ); - - function inspect( dataType ) { - var selected; - inspected[ dataType ] = true; - jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) { - var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR ); - if ( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) { - options.dataTypes.unshift( dataTypeOrTransport ); - inspect( dataTypeOrTransport ); - return false; - } else if ( seekingTransport ) { - return !( selected = dataTypeOrTransport ); + // Convert data if not already a string + if ( s.data && s.processData && typeof s.data !== "string" ) { + s.data = jQuery.param( s.data, s.traditional ); } - }); - return selected; - } - return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" ); -} + // Apply prefilters + inspectPrefiltersOrTransports( prefilters, s, options, jqXHR ); -// A special extend for ajax options -// that takes "flat" options (not to be deep extended) -// Fixes #9887 -function ajaxExtend( target, src ) { - var key, deep, - flatOptions = jQuery.ajaxSettings.flatOptions || {}; + // If request was aborted inside a prefilter, stop there + if ( completed ) { + return jqXHR; + } - for ( key in src ) { - if ( src[ key ] !== undefined ) { - ( flatOptions[ key ] ? target : ( deep || (deep = {}) ) )[ key ] = src[ key ]; - } - } - if ( deep ) { - jQuery.extend( true, target, deep ); - } + // We can fire global events as of now if asked to + // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118) + fireGlobals = jQuery.event && s.global; - return target; -} + // Watch for a new set of requests + if ( fireGlobals && jQuery.active++ === 0 ) { + jQuery.event.trigger( "ajaxStart" ); + } -/* Handles responses to an ajax request: - * - finds the right dataType (mediates between content-type and expected dataType) - * - returns the corresponding response - */ -function ajaxHandleResponses( s, jqXHR, responses ) { + // Uppercase the type + s.type = s.type.toUpperCase(); - var ct, type, finalDataType, firstDataType, - contents = s.contents, - dataTypes = s.dataTypes; + // Determine if request has content + s.hasContent = !rnoContent.test( s.type ); - // Remove auto dataType and get content-type in the process - while ( dataTypes[ 0 ] === "*" ) { - dataTypes.shift(); - if ( ct === undefined ) { - ct = s.mimeType || jqXHR.getResponseHeader("Content-Type"); - } - } + // Save the URL in case we're toying with the If-Modified-Since + // and/or If-None-Match header later on + // Remove hash to simplify url manipulation + cacheURL = s.url.replace( rhash, "" ); - // Check if we're dealing with a known content-type - if ( ct ) { - for ( type in contents ) { - if ( contents[ type ] && contents[ type ].test( ct ) ) { - dataTypes.unshift( type ); - break; - } - } - } + // More options handling for requests with no content + if ( !s.hasContent ) { - // Check to see if we have a response for the expected dataType - if ( dataTypes[ 0 ] in responses ) { - finalDataType = dataTypes[ 0 ]; - } else { - // Try convertible dataTypes - for ( type in responses ) { - if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) { - finalDataType = type; - break; - } - if ( !firstDataType ) { - firstDataType = type; - } - } - // Or just use first one - finalDataType = finalDataType || firstDataType; - } + // Remember the hash so we can put it back + uncached = s.url.slice( cacheURL.length ); - // If we found a dataType - // We add the dataType to the list if needed - // and return the corresponding response - if ( finalDataType ) { - if ( finalDataType !== dataTypes[ 0 ] ) { - dataTypes.unshift( finalDataType ); - } - return responses[ finalDataType ]; - } -} + // If data is available and should be processed, append data to url + if ( s.data && ( s.processData || typeof s.data === "string" ) ) { + cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data; -/* Chain conversions given the request and the original response - * Also sets the responseXXX fields on the jqXHR instance - */ -function ajaxConvert( s, response, jqXHR, isSuccess ) { - var conv2, current, conv, tmp, prev, - converters = {}, - // Work with a copy of dataTypes in case we need to modify it for conversion - dataTypes = s.dataTypes.slice(); + // #9682: remove data so that it's not used in an eventual retry + delete s.data; + } - // Create converters map with lowercased keys - if ( dataTypes[ 1 ] ) { - for ( conv in s.converters ) { - converters[ conv.toLowerCase() ] = s.converters[ conv ]; - } - } + // Add or update anti-cache param if needed + if ( s.cache === false ) { + cacheURL = cacheURL.replace( rantiCache, "$1" ); + uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce.guid++ ) + + uncached; + } - current = dataTypes.shift(); + // Put hash and anti-cache on the URL that will be requested (gh-1732) + s.url = cacheURL + uncached; - // Convert to each sequential dataType - while ( current ) { + // Change '%20' to '+' if this is encoded form body content (gh-2658) + } else if ( s.data && s.processData && + ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) { + s.data = s.data.replace( r20, "+" ); + } - if ( s.responseFields[ current ] ) { - jqXHR[ s.responseFields[ current ] ] = response; - } + // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. + if ( s.ifModified ) { + if ( jQuery.lastModified[ cacheURL ] ) { + jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] ); + } + if ( jQuery.etag[ cacheURL ] ) { + jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] ); + } + } - // Apply the dataFilter if provided - if ( !prev && isSuccess && s.dataFilter ) { - response = s.dataFilter( response, s.dataType ); - } + // Set the correct header, if data is being sent + if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) { + jqXHR.setRequestHeader( "Content-Type", s.contentType ); + } - prev = current; - current = dataTypes.shift(); + // Set the Accepts header for the server, depending on the dataType + jqXHR.setRequestHeader( + "Accept", + s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ? + s.accepts[ s.dataTypes[ 0 ] ] + + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) : + s.accepts[ "*" ] + ); - if ( current ) { + // Check for headers option + for ( i in s.headers ) { + jqXHR.setRequestHeader( i, s.headers[ i ] ); + } - // There's only work to do if current dataType is non-auto - if ( current === "*" ) { + // Allow custom headers/mimetypes and early abort + if ( s.beforeSend && + ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) { - current = prev; + // Abort if not done already and return + return jqXHR.abort(); + } - // Convert response if prev dataType is non-auto and differs from current - } else if ( prev !== "*" && prev !== current ) { + // Aborting is no longer a cancellation + strAbort = "abort"; - // Seek a direct converter - conv = converters[ prev + " " + current ] || converters[ "* " + current ]; + // Install callbacks on deferreds + completeDeferred.add( s.complete ); + jqXHR.done( s.success ); + jqXHR.fail( s.error ); - // If none found, seek a pair - if ( !conv ) { - for ( conv2 in converters ) { + // Get transport + transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR ); - // If conv2 outputs current - tmp = conv2.split( " " ); - if ( tmp[ 1 ] === current ) { + // If no transport, we auto-abort + if ( !transport ) { + done( -1, "No Transport" ); + } else { + jqXHR.readyState = 1; - // If prev can be converted to accepted input - conv = converters[ prev + " " + tmp[ 0 ] ] || - converters[ "* " + tmp[ 0 ] ]; - if ( conv ) { - // Condense equivalence converters - if ( conv === true ) { - conv = converters[ conv2 ]; + // Send global event + if ( fireGlobals ) { + globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] ); + } - // Otherwise, insert the intermediate dataType - } else if ( converters[ conv2 ] !== true ) { - current = tmp[ 0 ]; - dataTypes.unshift( tmp[ 1 ] ); - } - break; - } - } - } + // If request was aborted inside ajaxSend, stop there + if ( completed ) { + return jqXHR; } - // Apply converter (if not an equivalence) - if ( conv !== true ) { + // Timeout + if ( s.async && s.timeout > 0 ) { + timeoutTimer = window.setTimeout( function() { + jqXHR.abort( "timeout" ); + }, s.timeout ); + } - // Unless errors are allowed to bubble, catch and return them - if ( conv && s[ "throws" ] ) { - response = conv( response ); - } else { - try { - response = conv( response ); - } catch ( e ) { - return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current }; - } + try { + completed = false; + transport.send( requestHeaders, done ); + } catch ( e ) { + + // Rethrow post-completion exceptions + if ( completed ) { + throw e; } + + // Propagate others as results + done( -1, e ); } } - } - } - return { state: "success", data: response }; -} + // Callback for when everything is done + function done( status, nativeStatusText, responses, headers ) { + var isSuccess, success, error, response, modified, + statusText = nativeStatusText; -jQuery.extend({ - - // Counter for holding the number of active queries - active: 0, + // Ignore repeat invocations + if ( completed ) { + return; + } - // Last-Modified header cache for next request - lastModified: {}, - etag: {}, + completed = true; - ajaxSettings: { - url: ajaxLocation, - type: "GET", - isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ), - global: true, - processData: true, - async: true, - contentType: "application/x-www-form-urlencoded; charset=UTF-8", - /* - timeout: 0, - data: null, - dataType: null, - username: null, - password: null, - cache: null, - throws: false, - traditional: false, - headers: {}, - */ + // Clear timeout if it exists + if ( timeoutTimer ) { + window.clearTimeout( timeoutTimer ); + } - accepts: { - "*": allTypes, - text: "text/plain", - html: "text/html", - xml: "application/xml, text/xml", - json: "application/json, text/javascript" - }, + // Dereference transport for early garbage collection + // (no matter how long the jqXHR object will be used) + transport = undefined; - contents: { - xml: /xml/, - html: /html/, - json: /json/ - }, + // Cache response headers + responseHeadersString = headers || ""; - responseFields: { - xml: "responseXML", - text: "responseText", - json: "responseJSON" - }, + // Set readyState + jqXHR.readyState = status > 0 ? 4 : 0; - // Data converters - // Keys separate source (or catchall "*") and destination types with a single space - converters: { + // Determine if successful + isSuccess = status >= 200 && status < 300 || status === 304; - // Convert anything to text - "* text": String, + // Get response data + if ( responses ) { + response = ajaxHandleResponses( s, jqXHR, responses ); + } - // Text to html (true = no transformation) - "text html": true, + // Use a noop converter for missing script + if ( !isSuccess && jQuery.inArray( "script", s.dataTypes ) > -1 ) { + s.converters[ "text script" ] = function() {}; + } - // Evaluate text as a json expression - "text json": jQuery.parseJSON, + // Convert no matter what (that way responseXXX fields are always set) + response = ajaxConvert( s, response, jqXHR, isSuccess ); - // Parse text as xml - "text xml": jQuery.parseXML - }, + // If successful, handle type chaining + if ( isSuccess ) { - // For options that shouldn't be deep extended: - // you can add your own custom options here if - // and when you create one that shouldn't be - // deep extended (see ajaxExtend) - flatOptions: { - url: true, - context: true - } - }, - - // Creates a full fledged settings object into target - // with both ajaxSettings and settings fields. - // If target is omitted, writes into ajaxSettings. - ajaxSetup: function( target, settings ) { - return settings ? - - // Building a settings object - ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) : - - // Extending ajaxSettings - ajaxExtend( jQuery.ajaxSettings, target ); - }, - - ajaxPrefilter: addToPrefiltersOrTransports( prefilters ), - ajaxTransport: addToPrefiltersOrTransports( transports ), - - // Main method - ajax: function( url, options ) { - - // If url is an object, simulate pre-1.5 signature - if ( typeof url === "object" ) { - options = url; - url = undefined; - } - - // Force options to be an object - options = options || {}; - - var transport, - // URL without anti-cache param - cacheURL, - // Response headers - responseHeadersString, - responseHeaders, - // timeout handle - timeoutTimer, - // Cross-domain detection vars - parts, - // To know if global events are to be dispatched - fireGlobals, - // Loop variable - i, - // Create the final options object - s = jQuery.ajaxSetup( {}, options ), - // Callbacks context - callbackContext = s.context || s, - // Context for global events is callbackContext if it is a DOM node or jQuery collection - globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ? - jQuery( callbackContext ) : - jQuery.event, - // Deferreds - deferred = jQuery.Deferred(), - completeDeferred = jQuery.Callbacks("once memory"), - // Status-dependent callbacks - statusCode = s.statusCode || {}, - // Headers (they are sent all at once) - requestHeaders = {}, - requestHeadersNames = {}, - // The jqXHR state - state = 0, - // Default abort message - strAbort = "canceled", - // Fake xhr - jqXHR = { - readyState: 0, - - // Builds headers hashtable if needed - getResponseHeader: function( key ) { - var match; - if ( state === 2 ) { - if ( !responseHeaders ) { - responseHeaders = {}; - while ( (match = rheaders.exec( responseHeadersString )) ) { - responseHeaders[ match[1].toLowerCase() ] = match[ 2 ]; - } + // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. + if ( s.ifModified ) { + modified = jqXHR.getResponseHeader( "Last-Modified" ); + if ( modified ) { + jQuery.lastModified[ cacheURL ] = modified; + } + modified = jqXHR.getResponseHeader( "etag" ); + if ( modified ) { + jQuery.etag[ cacheURL ] = modified; } - match = responseHeaders[ key.toLowerCase() ]; } - return match == null ? null : match; - }, - // Raw string - getAllResponseHeaders: function() { - return state === 2 ? responseHeadersString : null; - }, + // if no content + if ( status === 204 || s.type === "HEAD" ) { + statusText = "nocontent"; - // Caches the header - setRequestHeader: function( name, value ) { - var lname = name.toLowerCase(); - if ( !state ) { - name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name; - requestHeaders[ name ] = value; - } - return this; - }, + // if not modified + } else if ( status === 304 ) { + statusText = "notmodified"; - // Overrides response content-type header - overrideMimeType: function( type ) { - if ( !state ) { - s.mimeType = type; + // If we have data, let's convert it + } else { + statusText = response.state; + success = response.data; + error = response.error; + isSuccess = !error; } - return this; - }, + } else { - // Status-dependent callbacks - statusCode: function( map ) { - var code; - if ( map ) { - if ( state < 2 ) { - for ( code in map ) { - // Lazy-add the new callback in a way that preserves old ones - statusCode[ code ] = [ statusCode[ code ], map[ code ] ]; - } - } else { - // Execute the appropriate callbacks - jqXHR.always( map[ jqXHR.status ] ); + // Extract error from statusText and normalize for non-aborts + error = statusText; + if ( status || !statusText ) { + statusText = "error"; + if ( status < 0 ) { + status = 0; } } - return this; - }, + } - // Cancel the request - abort: function( statusText ) { - var finalText = statusText || strAbort; - if ( transport ) { - transport.abort( finalText ); - } - done( 0, finalText ); - return this; + // Set data for the fake xhr object + jqXHR.status = status; + jqXHR.statusText = ( nativeStatusText || statusText ) + ""; + + // Success/Error + if ( isSuccess ) { + deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] ); + } else { + deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] ); } - }; - // Attach deferreds - deferred.promise( jqXHR ).complete = completeDeferred.add; - jqXHR.success = jqXHR.done; - jqXHR.error = jqXHR.fail; - - // Remove hash character (#7531: and string promotion) - // Add protocol if not provided (prefilters might expect it) - // Handle falsy url in the settings object (#10093: consistency with old signature) - // We also use the url parameter if available - s.url = ( ( url || s.url || ajaxLocation ) + "" ).replace( rhash, "" ) - .replace( rprotocol, ajaxLocParts[ 1 ] + "//" ); - - // Alias method option to type as per ticket #12004 - s.type = options.method || options.type || s.method || s.type; - - // Extract dataTypes list - s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( rnotwhite ) || [ "" ]; - - // A cross-domain request is in order when we have a protocol:host:port mismatch - if ( s.crossDomain == null ) { - parts = rurl.exec( s.url.toLowerCase() ); - s.crossDomain = !!( parts && - ( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] || - ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? "80" : "443" ) ) !== - ( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? "80" : "443" ) ) ) - ); - } + // Status-dependent callbacks + jqXHR.statusCode( statusCode ); + statusCode = undefined; - // Convert data if not already a string - if ( s.data && s.processData && typeof s.data !== "string" ) { - s.data = jQuery.param( s.data, s.traditional ); - } + if ( fireGlobals ) { + globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError", + [ jqXHR, s, isSuccess ? success : error ] ); + } + + // Complete + completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] ); - // Apply prefilters - inspectPrefiltersOrTransports( prefilters, s, options, jqXHR ); + if ( fireGlobals ) { + globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] ); + + // Handle the global AJAX counter + if ( !( --jQuery.active ) ) { + jQuery.event.trigger( "ajaxStop" ); + } + } + } - // If request was aborted inside a prefilter, stop there - if ( state === 2 ) { return jqXHR; - } + }, - // We can fire global events as of now if asked to - // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118) - fireGlobals = jQuery.event && s.global; + getJSON: function( url, data, callback ) { + return jQuery.get( url, data, callback, "json" ); + }, - // Watch for a new set of requests - if ( fireGlobals && jQuery.active++ === 0 ) { - jQuery.event.trigger("ajaxStart"); + getScript: function( url, callback ) { + return jQuery.get( url, undefined, callback, "script" ); } + } ); - // Uppercase the type - s.type = s.type.toUpperCase(); - - // Determine if request has content - s.hasContent = !rnoContent.test( s.type ); + jQuery.each( [ "get", "post" ], function( _i, method ) { + jQuery[ method ] = function( url, data, callback, type ) { - // Save the URL in case we're toying with the If-Modified-Since - // and/or If-None-Match header later on - cacheURL = s.url; + // Shift arguments if data argument was omitted + if ( isFunction( data ) ) { + type = type || callback; + callback = data; + data = undefined; + } - // More options handling for requests with no content - if ( !s.hasContent ) { + // The url can be an options object (which then must have .url) + return jQuery.ajax( jQuery.extend( { + url: url, + type: method, + dataType: type, + data: data, + success: callback + }, jQuery.isPlainObject( url ) && url ) ); + }; + } ); - // If data is available, append data to url - if ( s.data ) { - cacheURL = ( s.url += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data ); - // #9682: remove data so that it's not used in an eventual retry - delete s.data; + jQuery.ajaxPrefilter( function( s ) { + var i; + for ( i in s.headers ) { + if ( i.toLowerCase() === "content-type" ) { + s.contentType = s.headers[ i ] || ""; } + } + } ); - // Add anti-cache in url if needed - if ( s.cache === false ) { - s.url = rts.test( cacheURL ) ? - // If there is already a '_' parameter, set its value - cacheURL.replace( rts, "$1_=" + nonce++ ) : + jQuery._evalUrl = function( url, options, doc ) { + return jQuery.ajax( { + url: url, - // Otherwise add one to the end - cacheURL + ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + nonce++; + // Make this explicit, since user can override this through ajaxSetup (#11264) + type: "GET", + dataType: "script", + cache: true, + async: false, + global: false, + + // Only evaluate the response if it is successful (gh-4126) + // dataFilter is not invoked for failure responses, so using it instead + // of the default converter is kludgy but it works. + converters: { + "text script": function() {} + }, + dataFilter: function( response ) { + jQuery.globalEval( response, options, doc ); } - } + } ); + }; - // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. - if ( s.ifModified ) { - if ( jQuery.lastModified[ cacheURL ] ) { - jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] ); - } - if ( jQuery.etag[ cacheURL ] ) { - jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] ); - } - } - // Set the correct header, if data is being sent - if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) { - jqXHR.setRequestHeader( "Content-Type", s.contentType ); - } + jQuery.fn.extend( { + wrapAll: function( html ) { + var wrap; - // Set the Accepts header for the server, depending on the dataType - jqXHR.setRequestHeader( - "Accept", - s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ? - s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) : - s.accepts[ "*" ] - ); + if ( this[ 0 ] ) { + if ( isFunction( html ) ) { + html = html.call( this[ 0 ] ); + } - // Check for headers option - for ( i in s.headers ) { - jqXHR.setRequestHeader( i, s.headers[ i ] ); - } + // The elements to wrap the target around + wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true ); - // Allow custom headers/mimetypes and early abort - if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) { - // Abort if not done already and return - return jqXHR.abort(); - } + if ( this[ 0 ].parentNode ) { + wrap.insertBefore( this[ 0 ] ); + } - // Aborting is no longer a cancellation - strAbort = "abort"; + wrap.map( function() { + var elem = this; - // Install callbacks on deferreds - for ( i in { success: 1, error: 1, complete: 1 } ) { - jqXHR[ i ]( s[ i ] ); - } + while ( elem.firstElementChild ) { + elem = elem.firstElementChild; + } - // Get transport - transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR ); + return elem; + } ).append( this ); + } - // If no transport, we auto-abort - if ( !transport ) { - done( -1, "No Transport" ); - } else { - jqXHR.readyState = 1; + return this; + }, - // Send global event - if ( fireGlobals ) { - globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] ); - } - // Timeout - if ( s.async && s.timeout > 0 ) { - timeoutTimer = setTimeout(function() { - jqXHR.abort("timeout"); - }, s.timeout ); + wrapInner: function( html ) { + if ( isFunction( html ) ) { + return this.each( function( i ) { + jQuery( this ).wrapInner( html.call( this, i ) ); + } ); } - try { - state = 1; - transport.send( requestHeaders, done ); - } catch ( e ) { - // Propagate exception as error if not done - if ( state < 2 ) { - done( -1, e ); - // Simply rethrow otherwise + return this.each( function() { + var self = jQuery( this ), + contents = self.contents(); + + if ( contents.length ) { + contents.wrapAll( html ); + } else { - throw e; + self.append( html ); } - } + } ); + }, + + wrap: function( html ) { + var htmlIsFunction = isFunction( html ); + + return this.each( function( i ) { + jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html ); + } ); + }, + + unwrap: function( selector ) { + this.parent( selector ).not( "body" ).each( function() { + jQuery( this ).replaceWith( this.childNodes ); + } ); + return this; } + } ); - // Callback for when everything is done - function done( status, nativeStatusText, responses, headers ) { - var isSuccess, success, error, response, modified, - statusText = nativeStatusText; - // Called once - if ( state === 2 ) { - return; - } + jQuery.expr.pseudos.hidden = function( elem ) { + return !jQuery.expr.pseudos.visible( elem ); + }; + jQuery.expr.pseudos.visible = function( elem ) { + return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length ); + }; + - // State is "done" now - state = 2; - // Clear timeout if it exists - if ( timeoutTimer ) { - clearTimeout( timeoutTimer ); - } - // Dereference transport for early garbage collection - // (no matter how long the jqXHR object will be used) - transport = undefined; + jQuery.ajaxSettings.xhr = function() { + try { + return new window.XMLHttpRequest(); + } catch ( e ) {} + }; - // Cache response headers - responseHeadersString = headers || ""; + var xhrSuccessStatus = { - // Set readyState - jqXHR.readyState = status > 0 ? 4 : 0; + // File protocol always yields status code 0, assume 200 + 0: 200, - // Determine if successful - isSuccess = status >= 200 && status < 300 || status === 304; + // Support: IE <=9 only + // #1450: sometimes IE returns 1223 when it should be 204 + 1223: 204 + }, + xhrSupported = jQuery.ajaxSettings.xhr(); + + support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported ); + support.ajax = xhrSupported = !!xhrSupported; + + jQuery.ajaxTransport( function( options ) { + var callback, errorCallback; + + // Cross domain only allowed if supported through XMLHttpRequest + if ( support.cors || xhrSupported && !options.crossDomain ) { + return { + send: function( headers, complete ) { + var i, + xhr = options.xhr(); + + xhr.open( + options.type, + options.url, + options.async, + options.username, + options.password + ); - // Get response data - if ( responses ) { - response = ajaxHandleResponses( s, jqXHR, responses ); - } + // Apply custom fields if provided + if ( options.xhrFields ) { + for ( i in options.xhrFields ) { + xhr[ i ] = options.xhrFields[ i ]; + } + } - // Convert no matter what (that way responseXXX fields are always set) - response = ajaxConvert( s, response, jqXHR, isSuccess ); + // Override mime type if needed + if ( options.mimeType && xhr.overrideMimeType ) { + xhr.overrideMimeType( options.mimeType ); + } - // If successful, handle type chaining - if ( isSuccess ) { + // X-Requested-With header + // For cross-domain requests, seeing as conditions for a preflight are + // akin to a jigsaw puzzle, we simply never set it to be sure. + // (it can always be set on a per-request basis or even using ajaxSetup) + // For same-domain requests, won't change header if already provided. + if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) { + headers[ "X-Requested-With" ] = "XMLHttpRequest"; + } - // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. - if ( s.ifModified ) { - modified = jqXHR.getResponseHeader("Last-Modified"); - if ( modified ) { - jQuery.lastModified[ cacheURL ] = modified; + // Set headers + for ( i in headers ) { + xhr.setRequestHeader( i, headers[ i ] ); } - modified = jqXHR.getResponseHeader("etag"); - if ( modified ) { - jQuery.etag[ cacheURL ] = modified; + + // Callback + callback = function( type ) { + return function() { + if ( callback ) { + callback = errorCallback = xhr.onload = + xhr.onerror = xhr.onabort = xhr.ontimeout = + xhr.onreadystatechange = null; + + if ( type === "abort" ) { + xhr.abort(); + } else if ( type === "error" ) { + + // Support: IE <=9 only + // On a manual native abort, IE9 throws + // errors on any property access that is not readyState + if ( typeof xhr.status !== "number" ) { + complete( 0, "error" ); + } else { + complete( + + // File: protocol always yields status 0; see #8605, #14207 + xhr.status, + xhr.statusText + ); + } + } else { + complete( + xhrSuccessStatus[ xhr.status ] || xhr.status, + xhr.statusText, + + // Support: IE <=9 only + // IE9 has no XHR2 but throws on binary (trac-11426) + // For XHR2 non-text, let the caller handle it (gh-2498) + ( xhr.responseType || "text" ) !== "text" || + typeof xhr.responseText !== "string" ? + { binary: xhr.response } : + { text: xhr.responseText }, + xhr.getAllResponseHeaders() + ); + } + } + }; + }; + + // Listen to events + xhr.onload = callback(); + errorCallback = xhr.onerror = xhr.ontimeout = callback( "error" ); + + // Support: IE 9 only + // Use onreadystatechange to replace onabort + // to handle uncaught aborts + if ( xhr.onabort !== undefined ) { + xhr.onabort = errorCallback; + } else { + xhr.onreadystatechange = function() { + + // Check readyState before timeout as it changes + if ( xhr.readyState === 4 ) { + + // Allow onerror to be called first, + // but that will not handle a native abort + // Also, save errorCallback to a variable + // as xhr.onerror cannot be accessed + window.setTimeout( function() { + if ( callback ) { + errorCallback(); + } + } ); + } + }; } - } - // if no content - if ( status === 204 || s.type === "HEAD" ) { - statusText = "nocontent"; + // Create the abort callback + callback = callback( "abort" ); - // if not modified - } else if ( status === 304 ) { - statusText = "notmodified"; + try { - // If we have data, let's convert it - } else { - statusText = response.state; - success = response.data; - error = response.error; - isSuccess = !error; - } - } else { - // Extract error from statusText and normalize for non-aborts - error = statusText; - if ( status || !statusText ) { - statusText = "error"; - if ( status < 0 ) { - status = 0; + // Do send the request (this may raise an exception) + xhr.send( options.hasContent && options.data || null ); + } catch ( e ) { + + // #14683: Only rethrow if this hasn't been notified as an error yet + if ( callback ) { + throw e; + } + } + }, + + abort: function() { + if ( callback ) { + callback(); } } - } + }; + } + } ); - // Set data for the fake xhr object - jqXHR.status = status; - jqXHR.statusText = ( nativeStatusText || statusText ) + ""; - // Success/Error - if ( isSuccess ) { - deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] ); - } else { - deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] ); - } - // Status-dependent callbacks - jqXHR.statusCode( statusCode ); - statusCode = undefined; - if ( fireGlobals ) { - globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError", - [ jqXHR, s, isSuccess ? success : error ] ); +// Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432) + jQuery.ajaxPrefilter( function( s ) { + if ( s.crossDomain ) { + s.contents.script = false; + } + } ); + +// Install script dataType + jQuery.ajaxSetup( { + accepts: { + script: "text/javascript, application/javascript, " + + "application/ecmascript, application/x-ecmascript" + }, + contents: { + script: /\b(?:java|ecma)script\b/ + }, + converters: { + "text script": function( text ) { + jQuery.globalEval( text ); + return text; } + } + } ); + +// Handle cache's special case and crossDomain + jQuery.ajaxPrefilter( "script", function( s ) { + if ( s.cache === undefined ) { + s.cache = false; + } + if ( s.crossDomain ) { + s.type = "GET"; + } + } ); - // Complete - completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] ); +// Bind script tag hack transport + jQuery.ajaxTransport( "script", function( s ) { + + // This transport only deals with cross domain or forced-by-attrs requests + if ( s.crossDomain || s.scriptAttrs ) { + var script, callback; + return { + send: function( _, complete ) { + script = jQuery( "<script>" ) + .attr( s.scriptAttrs || {} ) + .prop( { charset: s.scriptCharset, src: s.url } ) + .on( "load error", callback = function( evt ) { + script.remove(); + callback = null; + if ( evt ) { + complete( evt.type === "error" ? 404 : 200, evt.type ); + } + } ); - if ( fireGlobals ) { - globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] ); - // Handle the global AJAX counter - if ( !( --jQuery.active ) ) { - jQuery.event.trigger("ajaxStop"); + // Use native DOM manipulation to avoid our domManip AJAX trickery + document.head.appendChild( script[ 0 ] ); + }, + abort: function() { + if ( callback ) { + callback(); + } } - } + }; } + } ); - return jqXHR; - }, - getJSON: function( url, data, callback ) { - return jQuery.get( url, data, callback, "json" ); - }, - getScript: function( url, callback ) { - return jQuery.get( url, undefined, callback, "script" ); - } -}); -jQuery.each( [ "get", "post" ], function( i, method ) { - jQuery[ method ] = function( url, data, callback, type ) { - // Shift arguments if data argument was omitted - if ( jQuery.isFunction( data ) ) { - type = type || callback; - callback = data; - data = undefined; - } + var oldCallbacks = [], + rjsonp = /(=)\?(?=&|$)|\?\?/; - return jQuery.ajax({ - url: url, - type: method, - dataType: type, - data: data, - success: callback - }); - }; -}); +// Default jsonp settings + jQuery.ajaxSetup( { + jsonp: "callback", + jsonpCallback: function() { + var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce.guid++ ) ); + this[ callback ] = true; + return callback; + } + } ); +// Detect, normalize options and install callbacks for jsonp requests + jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) { + + var callbackName, overwritten, responseContainer, + jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ? + "url" : + typeof s.data === "string" && + ( s.contentType || "" ) + .indexOf( "application/x-www-form-urlencoded" ) === 0 && + rjsonp.test( s.data ) && "data" + ); -jQuery._evalUrl = function( url ) { - return jQuery.ajax({ - url: url, - type: "GET", - dataType: "script", - async: false, - global: false, - "throws": true - }); -}; + // Handle iff the expected data type is "jsonp" or we have a parameter to set + if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) { + // Get callback name, remembering preexisting value associated with it + callbackName = s.jsonpCallback = isFunction( s.jsonpCallback ) ? + s.jsonpCallback() : + s.jsonpCallback; -jQuery.fn.extend({ - wrapAll: function( html ) { - var wrap; + // Insert callback into url or form data + if ( jsonProp ) { + s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName ); + } else if ( s.jsonp !== false ) { + s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName; + } - if ( jQuery.isFunction( html ) ) { - return this.each(function( i ) { - jQuery( this ).wrapAll( html.call(this, i) ); - }); - } + // Use data converter to retrieve json after script execution + s.converters[ "script json" ] = function() { + if ( !responseContainer ) { + jQuery.error( callbackName + " was not called" ); + } + return responseContainer[ 0 ]; + }; - if ( this[ 0 ] ) { + // Force json dataType + s.dataTypes[ 0 ] = "json"; - // The elements to wrap the target around - wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true ); + // Install callback + overwritten = window[ callbackName ]; + window[ callbackName ] = function() { + responseContainer = arguments; + }; - if ( this[ 0 ].parentNode ) { - wrap.insertBefore( this[ 0 ] ); - } + // Clean-up function (fires after converters) + jqXHR.always( function() { - wrap.map(function() { - var elem = this; + // If previous value didn't exist - remove it + if ( overwritten === undefined ) { + jQuery( window ).removeProp( callbackName ); - while ( elem.firstElementChild ) { - elem = elem.firstElementChild; + // Otherwise restore preexisting value + } else { + window[ callbackName ] = overwritten; } - return elem; - }).append( this ); - } - - return this; - }, - - wrapInner: function( html ) { - if ( jQuery.isFunction( html ) ) { - return this.each(function( i ) { - jQuery( this ).wrapInner( html.call(this, i) ); - }); - } + // Save back as free + if ( s[ callbackName ] ) { - return this.each(function() { - var self = jQuery( this ), - contents = self.contents(); + // Make sure that re-using the options doesn't screw things around + s.jsonpCallback = originalSettings.jsonpCallback; - if ( contents.length ) { - contents.wrapAll( html ); + // Save the callback name for future use + oldCallbacks.push( callbackName ); + } - } else { - self.append( html ); - } - }); - }, + // Call if it was a function and we have a response + if ( responseContainer && isFunction( overwritten ) ) { + overwritten( responseContainer[ 0 ] ); + } - wrap: function( html ) { - var isFunction = jQuery.isFunction( html ); + responseContainer = overwritten = undefined; + } ); - return this.each(function( i ) { - jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html ); - }); - }, + // Delegate to script + return "script"; + } + } ); - unwrap: function() { - return this.parent().each(function() { - if ( !jQuery.nodeName( this, "body" ) ) { - jQuery( this ).replaceWith( this.childNodes ); - } - }).end(); - } -}); -jQuery.expr.filters.hidden = function( elem ) { - // Support: Opera <= 12.12 - // Opera reports offsetWidths and offsetHeights less than zero on some elements - return elem.offsetWidth <= 0 && elem.offsetHeight <= 0; -}; -jQuery.expr.filters.visible = function( elem ) { - return !jQuery.expr.filters.hidden( elem ); -}; +// Support: Safari 8 only +// In Safari 8 documents created via document.implementation.createHTMLDocument +// collapse sibling forms: the second one becomes a child of the first one. +// Because of that, this security measure has to be disabled in Safari 8. +// https://bugs.webkit.org/show_bug.cgi?id=137337 + support.createHTMLDocument = ( function() { + var body = document.implementation.createHTMLDocument( "" ).body; + body.innerHTML = "<form></form><form></form>"; + return body.childNodes.length === 2; + } )(); +// Argument "data" should be string of html +// context (optional): If specified, the fragment will be created in this context, +// defaults to document +// keepScripts (optional): If true, will include scripts passed in the html string + jQuery.parseHTML = function( data, context, keepScripts ) { + if ( typeof data !== "string" ) { + return []; + } + if ( typeof context === "boolean" ) { + keepScripts = context; + context = false; + } -var r20 = /%20/g, - rbracket = /\[\]$/, - rCRLF = /\r?\n/g, - rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i, - rsubmittable = /^(?:input|select|textarea|keygen)/i; + var base, parsed, scripts; -function buildParams( prefix, obj, traditional, add ) { - var name; + if ( !context ) { - if ( jQuery.isArray( obj ) ) { - // Serialize array item. - jQuery.each( obj, function( i, v ) { - if ( traditional || rbracket.test( prefix ) ) { - // Treat each array item as a scalar. - add( prefix, v ); + // Stop scripts or inline event handlers from being executed immediately + // by using document.implementation + if ( support.createHTMLDocument ) { + context = document.implementation.createHTMLDocument( "" ); + // Set the base href for the created document + // so any parsed elements with URLs + // are based on the document's URL (gh-2965) + base = context.createElement( "base" ); + base.href = document.location.href; + context.head.appendChild( base ); } else { - // Item is non-scalar (array or object), encode its numeric index. - buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add ); + context = document; } - }); - - } else if ( !traditional && jQuery.type( obj ) === "object" ) { - // Serialize object item. - for ( name in obj ) { - buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add ); } - } else { - // Serialize scalar item. - add( prefix, obj ); - } -} - -// Serialize an array of form elements or a set of -// key/values into a query string -jQuery.param = function( a, traditional ) { - var prefix, - s = [], - add = function( key, value ) { - // If value is a function, invoke it and return its value - value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value ); - s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value ); - }; + parsed = rsingleTag.exec( data ); + scripts = !keepScripts && []; - // Set traditional to true for jQuery <= 1.3.2 behavior. - if ( traditional === undefined ) { - traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional; - } + // Single tag + if ( parsed ) { + return [ context.createElement( parsed[ 1 ] ) ]; + } - // If an array was passed in, assume that it is an array of form elements. - if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) { - // Serialize the form elements - jQuery.each( a, function() { - add( this.name, this.value ); - }); + parsed = buildFragment( [ data ], context, scripts ); - } else { - // If traditional, encode the "old" way (the way 1.3.2 or older - // did it), otherwise encode params recursively. - for ( prefix in a ) { - buildParams( prefix, a[ prefix ], traditional, add ); + if ( scripts && scripts.length ) { + jQuery( scripts ).remove(); } - } - - // Return the resulting serialization - return s.join( "&" ).replace( r20, "+" ); -}; - -jQuery.fn.extend({ - serialize: function() { - return jQuery.param( this.serializeArray() ); - }, - serializeArray: function() { - return this.map(function() { - // Can add propHook for "elements" to filter or add form elements - var elements = jQuery.prop( this, "elements" ); - return elements ? jQuery.makeArray( elements ) : this; - }) - .filter(function() { - var type = this.type; - - // Use .is( ":disabled" ) so that fieldset[disabled] works - return this.name && !jQuery( this ).is( ":disabled" ) && - rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) && - ( this.checked || !rcheckableType.test( type ) ); - }) - .map(function( i, elem ) { - var val = jQuery( this ).val(); - - return val == null ? - null : - jQuery.isArray( val ) ? - jQuery.map( val, function( val ) { - return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; - }) : - { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; - }).get(); - } -}); - - -jQuery.ajaxSettings.xhr = function() { - try { - return new XMLHttpRequest(); - } catch( e ) {} -}; - -var xhrId = 0, - xhrCallbacks = {}, - xhrSuccessStatus = { - // file protocol always yields status code 0, assume 200 - 0: 200, - // Support: IE9 - // #1450: sometimes IE returns 1223 when it should be 204 - 1223: 204 - }, - xhrSupported = jQuery.ajaxSettings.xhr(); - -// Support: IE9 -// Open requests must be manually aborted on unload (#5280) -// See https://support.microsoft.com/kb/2856746 for more info -if ( window.attachEvent ) { - window.attachEvent( "onunload", function() { - for ( var key in xhrCallbacks ) { - xhrCallbacks[ key ](); - } - }); -} - -support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported ); -support.ajax = xhrSupported = !!xhrSupported; - -jQuery.ajaxTransport(function( options ) { - var callback; - - // Cross domain only allowed if supported through XMLHttpRequest - if ( support.cors || xhrSupported && !options.crossDomain ) { - return { - send: function( headers, complete ) { - var i, - xhr = options.xhr(), - id = ++xhrId; - xhr.open( options.type, options.url, options.async, options.username, options.password ); + return jQuery.merge( [], parsed.childNodes ); + }; - // Apply custom fields if provided - if ( options.xhrFields ) { - for ( i in options.xhrFields ) { - xhr[ i ] = options.xhrFields[ i ]; - } - } - // Override mime type if needed - if ( options.mimeType && xhr.overrideMimeType ) { - xhr.overrideMimeType( options.mimeType ); - } + /** + * Load a url into a page + */ + jQuery.fn.load = function( url, params, callback ) { + var selector, type, response, + self = this, + off = url.indexOf( " " ); - // X-Requested-With header - // For cross-domain requests, seeing as conditions for a preflight are - // akin to a jigsaw puzzle, we simply never set it to be sure. - // (it can always be set on a per-request basis or even using ajaxSetup) - // For same-domain requests, won't change header if already provided. - if ( !options.crossDomain && !headers["X-Requested-With"] ) { - headers["X-Requested-With"] = "XMLHttpRequest"; - } + if ( off > -1 ) { + selector = stripAndCollapse( url.slice( off ) ); + url = url.slice( 0, off ); + } - // Set headers - for ( i in headers ) { - xhr.setRequestHeader( i, headers[ i ] ); - } + // If it's a function + if ( isFunction( params ) ) { - // Callback - callback = function( type ) { - return function() { - if ( callback ) { - delete xhrCallbacks[ id ]; - callback = xhr.onload = xhr.onerror = null; - - if ( type === "abort" ) { - xhr.abort(); - } else if ( type === "error" ) { - complete( - // file: protocol always yields status 0; see #8605, #14207 - xhr.status, - xhr.statusText - ); - } else { - complete( - xhrSuccessStatus[ xhr.status ] || xhr.status, - xhr.statusText, - // Support: IE9 - // Accessing binary-data responseText throws an exception - // (#11426) - typeof xhr.responseText === "string" ? { - text: xhr.responseText - } : undefined, - xhr.getAllResponseHeaders() - ); - } - } - }; - }; + // We assume that it's the callback + callback = params; + params = undefined; - // Listen to events - xhr.onload = callback(); - xhr.onerror = callback("error"); + // Otherwise, build a param string + } else if ( params && typeof params === "object" ) { + type = "POST"; + } - // Create the abort callback - callback = xhrCallbacks[ id ] = callback("abort"); + // If we have elements to modify, make the request + if ( self.length > 0 ) { + jQuery.ajax( { + url: url, - try { - // Do send the request (this may raise an exception) - xhr.send( options.hasContent && options.data || null ); - } catch ( e ) { - // #14683: Only rethrow if this hasn't been notified as an error yet - if ( callback ) { - throw e; - } - } - }, + // If "type" variable is undefined, then "GET" method will be used. + // Make value of this field explicit since + // user can override it through ajaxSetup method + type: type || "GET", + dataType: "html", + data: params + } ).done( function( responseText ) { - abort: function() { - if ( callback ) { - callback(); - } - } - }; - } -}); + // Save response for use in complete callback + response = arguments; + self.html( selector ? + // If a selector was specified, locate the right elements in a dummy div + // Exclude scripts to avoid IE 'Permission Denied' errors + jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) : + // Otherwise use the full result + responseText ); -// Install script dataType -jQuery.ajaxSetup({ - accepts: { - script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript" - }, - contents: { - script: /(?:java|ecma)script/ - }, - converters: { - "text script": function( text ) { - jQuery.globalEval( text ); - return text; + // If the request succeeds, this function gets "data", "status", "jqXHR" + // but they are ignored because response was set above. + // If it fails, this function gets "jqXHR", "status", "error" + } ).always( callback && function( jqXHR, status ) { + self.each( function() { + callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] ); + } ); + } ); } - } -}); - -// Handle cache's special case and crossDomain -jQuery.ajaxPrefilter( "script", function( s ) { - if ( s.cache === undefined ) { - s.cache = false; - } - if ( s.crossDomain ) { - s.type = "GET"; - } -}); - -// Bind script tag hack transport -jQuery.ajaxTransport( "script", function( s ) { - // This transport only deals with cross domain requests - if ( s.crossDomain ) { - var script, callback; - return { - send: function( _, complete ) { - script = jQuery("<script>").prop({ - async: true, - charset: s.scriptCharset, - src: s.url - }).on( - "load error", - callback = function( evt ) { - script.remove(); - callback = null; - if ( evt ) { - complete( evt.type === "error" ? 404 : 200, evt.type ); - } - } - ); - document.head.appendChild( script[ 0 ] ); - }, - abort: function() { - if ( callback ) { - callback(); - } - } - }; - } -}); - + return this; + }; -var oldCallbacks = [], - rjsonp = /(=)\?(?=&|$)|\?\?/; -// Default jsonp settings -jQuery.ajaxSetup({ - jsonp: "callback", - jsonpCallback: function() { - var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) ); - this[ callback ] = true; - return callback; - } -}); -// Detect, normalize options and install callbacks for jsonp requests -jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) { + jQuery.expr.pseudos.animated = function( elem ) { + return jQuery.grep( jQuery.timers, function( fn ) { + return elem === fn.elem; + } ).length; + }; - var callbackName, overwritten, responseContainer, - jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ? - "url" : - typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data" - ); - // Handle iff the expected data type is "jsonp" or we have a parameter to set - if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) { - // Get callback name, remembering preexisting value associated with it - callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ? - s.jsonpCallback() : - s.jsonpCallback; - // Insert callback into url or form data - if ( jsonProp ) { - s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName ); - } else if ( s.jsonp !== false ) { - s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName; - } + jQuery.offset = { + setOffset: function( elem, options, i ) { + var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition, + position = jQuery.css( elem, "position" ), + curElem = jQuery( elem ), + props = {}; - // Use data converter to retrieve json after script execution - s.converters["script json"] = function() { - if ( !responseContainer ) { - jQuery.error( callbackName + " was not called" ); + // Set position first, in-case top/left are set even on static elem + if ( position === "static" ) { + elem.style.position = "relative"; } - return responseContainer[ 0 ]; - }; - // force json dataType - s.dataTypes[ 0 ] = "json"; + curOffset = curElem.offset(); + curCSSTop = jQuery.css( elem, "top" ); + curCSSLeft = jQuery.css( elem, "left" ); + calculatePosition = ( position === "absolute" || position === "fixed" ) && + ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1; - // Install callback - overwritten = window[ callbackName ]; - window[ callbackName ] = function() { - responseContainer = arguments; - }; + // Need to be able to calculate position if either + // top or left is auto and position is either absolute or fixed + if ( calculatePosition ) { + curPosition = curElem.position(); + curTop = curPosition.top; + curLeft = curPosition.left; - // Clean-up function (fires after converters) - jqXHR.always(function() { - // Restore preexisting value - window[ callbackName ] = overwritten; + } else { + curTop = parseFloat( curCSSTop ) || 0; + curLeft = parseFloat( curCSSLeft ) || 0; + } - // Save back as free - if ( s[ callbackName ] ) { - // make sure that re-using the options doesn't screw things around - s.jsonpCallback = originalSettings.jsonpCallback; + if ( isFunction( options ) ) { - // save the callback name for future use - oldCallbacks.push( callbackName ); + // Use jQuery.extend here to allow modification of coordinates argument (gh-1848) + options = options.call( elem, i, jQuery.extend( {}, curOffset ) ); } - // Call if it was a function and we have a response - if ( responseContainer && jQuery.isFunction( overwritten ) ) { - overwritten( responseContainer[ 0 ] ); + if ( options.top != null ) { + props.top = ( options.top - curOffset.top ) + curTop; + } + if ( options.left != null ) { + props.left = ( options.left - curOffset.left ) + curLeft; } - responseContainer = overwritten = undefined; - }); - - // Delegate to script - return "script"; - } -}); + if ( "using" in options ) { + options.using.call( elem, props ); + } else { + if ( typeof props.top === "number" ) { + props.top += "px"; + } + if ( typeof props.left === "number" ) { + props.left += "px"; + } + curElem.css( props ); + } + } + }; + jQuery.fn.extend( { + // offset() relates an element's border box to the document origin + offset: function( options ) { -// data: string of html -// context (optional): If specified, the fragment will be created in this context, defaults to document -// keepScripts (optional): If true, will include scripts passed in the html string -jQuery.parseHTML = function( data, context, keepScripts ) { - if ( !data || typeof data !== "string" ) { - return null; - } - if ( typeof context === "boolean" ) { - keepScripts = context; - context = false; - } - context = context || document; + // Preserve chaining for setter + if ( arguments.length ) { + return options === undefined ? + this : + this.each( function( i ) { + jQuery.offset.setOffset( this, options, i ); + } ); + } - var parsed = rsingleTag.exec( data ), - scripts = !keepScripts && []; + var rect, win, + elem = this[ 0 ]; - // Single tag - if ( parsed ) { - return [ context.createElement( parsed[1] ) ]; - } + if ( !elem ) { + return; + } - parsed = jQuery.buildFragment( [ data ], context, scripts ); + // Return zeros for disconnected and hidden (display: none) elements (gh-2310) + // Support: IE <=11 only + // Running getBoundingClientRect on a + // disconnected node in IE throws an error + if ( !elem.getClientRects().length ) { + return { top: 0, left: 0 }; + } - if ( scripts && scripts.length ) { - jQuery( scripts ).remove(); - } + // Get document-relative position by adding viewport scroll to viewport-relative gBCR + rect = elem.getBoundingClientRect(); + win = elem.ownerDocument.defaultView; + return { + top: rect.top + win.pageYOffset, + left: rect.left + win.pageXOffset + }; + }, - return jQuery.merge( [], parsed.childNodes ); -}; + // position() relates an element's margin box to its offset parent's padding box + // This corresponds to the behavior of CSS absolute positioning + position: function() { + if ( !this[ 0 ] ) { + return; + } + var offsetParent, offset, doc, + elem = this[ 0 ], + parentOffset = { top: 0, left: 0 }; -// Keep a copy of the old load method -var _load = jQuery.fn.load; + // position:fixed elements are offset from the viewport, which itself always has zero offset + if ( jQuery.css( elem, "position" ) === "fixed" ) { -/** - * Load a url into a page - */ -jQuery.fn.load = function( url, params, callback ) { - if ( typeof url !== "string" && _load ) { - return _load.apply( this, arguments ); - } + // Assume position:fixed implies availability of getBoundingClientRect + offset = elem.getBoundingClientRect(); - var selector, type, response, - self = this, - off = url.indexOf(" "); + } else { + offset = this.offset(); - if ( off >= 0 ) { - selector = jQuery.trim( url.slice( off ) ); - url = url.slice( 0, off ); - } + // Account for the *real* offset parent, which can be the document or its root element + // when a statically positioned element is identified + doc = elem.ownerDocument; + offsetParent = elem.offsetParent || doc.documentElement; + while ( offsetParent && + ( offsetParent === doc.body || offsetParent === doc.documentElement ) && + jQuery.css( offsetParent, "position" ) === "static" ) { - // If it's a function - if ( jQuery.isFunction( params ) ) { + offsetParent = offsetParent.parentNode; + } + if ( offsetParent && offsetParent !== elem && offsetParent.nodeType === 1 ) { - // We assume that it's the callback - callback = params; - params = undefined; + // Incorporate borders into its offset, since they are outside its content origin + parentOffset = jQuery( offsetParent ).offset(); + parentOffset.top += jQuery.css( offsetParent, "borderTopWidth", true ); + parentOffset.left += jQuery.css( offsetParent, "borderLeftWidth", true ); + } + } - // Otherwise, build a param string - } else if ( params && typeof params === "object" ) { - type = "POST"; - } + // Subtract parent offsets and element margins + return { + top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ), + left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true ) + }; + }, - // If we have elements to modify, make the request - if ( self.length > 0 ) { - jQuery.ajax({ - url: url, + // This method will return documentElement in the following cases: + // 1) For the element inside the iframe without offsetParent, this method will return + // documentElement of the parent window + // 2) For the hidden or detached element + // 3) For body or html element, i.e. in case of the html node - it will return itself + // + // but those exceptions were never presented as a real life use-cases + // and might be considered as more preferable results. + // + // This logic, however, is not guaranteed and can change at any point in the future + offsetParent: function() { + return this.map( function() { + var offsetParent = this.offsetParent; - // if "type" variable is undefined, then "GET" method will be used - type: type, - dataType: "html", - data: params - }).done(function( responseText ) { + while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) { + offsetParent = offsetParent.offsetParent; + } - // Save response for use in complete callback - response = arguments; + return offsetParent || documentElement; + } ); + } + } ); - self.html( selector ? +// Create scrollLeft and scrollTop methods + jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) { + var top = "pageYOffset" === prop; - // If a selector was specified, locate the right elements in a dummy div - // Exclude scripts to avoid IE 'Permission Denied' errors - jQuery("<div>").append( jQuery.parseHTML( responseText ) ).find( selector ) : + jQuery.fn[ method ] = function( val ) { + return access( this, function( elem, method, val ) { - // Otherwise use the full result - responseText ); + // Coalesce documents and windows + var win; + if ( isWindow( elem ) ) { + win = elem; + } else if ( elem.nodeType === 9 ) { + win = elem.defaultView; + } - }).complete( callback && function( jqXHR, status ) { - self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] ); - }); - } + if ( val === undefined ) { + return win ? win[ prop ] : elem[ method ]; + } - return this; -}; + if ( win ) { + win.scrollTo( + !top ? val : win.pageXOffset, + top ? val : win.pageYOffset + ); + } else { + elem[ method ] = val; + } + }, method, val, arguments.length ); + }; + } ); +// Support: Safari <=7 - 9.1, Chrome <=37 - 49 +// Add the top/left cssHooks using jQuery.fn.position +// Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084 +// Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347 +// getComputedStyle returns percent when specified for top/left/bottom/right; +// rather than make the css module depend on the offset module, just check for it here + jQuery.each( [ "top", "left" ], function( _i, prop ) { + jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition, + function( elem, computed ) { + if ( computed ) { + computed = curCSS( elem, prop ); + // If curCSS returns percentage, fallback to offset + return rnumnonpx.test( computed ) ? + jQuery( elem ).position()[ prop ] + "px" : + computed; + } + } + ); + } ); -// Attach a bunch of functions for handling common AJAX events -jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ) { - jQuery.fn[ type ] = function( fn ) { - return this.on( type, fn ); - }; -}); +// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods + jQuery.each( { Height: "height", Width: "width" }, function( name, type ) { + jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, + function( defaultExtra, funcName ) { + // Margin is only for outerHeight, outerWidth + jQuery.fn[ funcName ] = function( margin, value ) { + var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ), + extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" ); + return access( this, function( elem, type, value ) { + var doc; -jQuery.expr.filters.animated = function( elem ) { - return jQuery.grep(jQuery.timers, function( fn ) { - return elem === fn.elem; - }).length; -}; + if ( isWindow( elem ) ) { + // $( window ).outerWidth/Height return w/h including scrollbars (gh-1729) + return funcName.indexOf( "outer" ) === 0 ? + elem[ "inner" + name ] : + elem.document.documentElement[ "client" + name ]; + } + // Get document width or height + if ( elem.nodeType === 9 ) { + doc = elem.documentElement; + + // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], + // whichever is greatest + return Math.max( + elem.body[ "scroll" + name ], doc[ "scroll" + name ], + elem.body[ "offset" + name ], doc[ "offset" + name ], + doc[ "client" + name ] + ); + } + return value === undefined ? -var docElem = window.document.documentElement; + // Get width or height on the element, requesting but not forcing parseFloat + jQuery.css( elem, type, extra ) : -/** - * Gets a window from an element - */ -function getWindow( elem ) { - return jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 && elem.defaultView; -} - -jQuery.offset = { - setOffset: function( elem, options, i ) { - var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition, - position = jQuery.css( elem, "position" ), - curElem = jQuery( elem ), - props = {}; - - // Set position first, in-case top/left are set even on static elem - if ( position === "static" ) { - elem.style.position = "relative"; - } - - curOffset = curElem.offset(); - curCSSTop = jQuery.css( elem, "top" ); - curCSSLeft = jQuery.css( elem, "left" ); - calculatePosition = ( position === "absolute" || position === "fixed" ) && - ( curCSSTop + curCSSLeft ).indexOf("auto") > -1; - - // Need to be able to calculate position if either - // top or left is auto and position is either absolute or fixed - if ( calculatePosition ) { - curPosition = curElem.position(); - curTop = curPosition.top; - curLeft = curPosition.left; + // Set width or height on the element + jQuery.style( elem, type, value, extra ); + }, type, chainable ? margin : undefined, chainable ); + }; + } ); + } ); + + + jQuery.each( [ + "ajaxStart", + "ajaxStop", + "ajaxComplete", + "ajaxError", + "ajaxSuccess", + "ajaxSend" + ], function( _i, type ) { + jQuery.fn[ type ] = function( fn ) { + return this.on( type, fn ); + }; + } ); - } else { - curTop = parseFloat( curCSSTop ) || 0; - curLeft = parseFloat( curCSSLeft ) || 0; - } - if ( jQuery.isFunction( options ) ) { - options = options.call( elem, i, curOffset ); - } - if ( options.top != null ) { - props.top = ( options.top - curOffset.top ) + curTop; - } - if ( options.left != null ) { - props.left = ( options.left - curOffset.left ) + curLeft; - } - if ( "using" in options ) { - options.using.call( elem, props ); + jQuery.fn.extend( { - } else { - curElem.css( props ); - } - } -}; + bind: function( types, data, fn ) { + return this.on( types, null, data, fn ); + }, + unbind: function( types, fn ) { + return this.off( types, null, fn ); + }, -jQuery.fn.extend({ - offset: function( options ) { - if ( arguments.length ) { - return options === undefined ? - this : - this.each(function( i ) { - jQuery.offset.setOffset( this, options, i ); - }); - } + delegate: function( selector, types, data, fn ) { + return this.on( types, selector, data, fn ); + }, + undelegate: function( selector, types, fn ) { - var docElem, win, - elem = this[ 0 ], - box = { top: 0, left: 0 }, - doc = elem && elem.ownerDocument; + // ( namespace ) or ( selector, types [, fn] ) + return arguments.length === 1 ? + this.off( selector, "**" ) : + this.off( types, selector || "**", fn ); + }, - if ( !doc ) { - return; + hover: function( fnOver, fnOut ) { + return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver ); } + } ); - docElem = doc.documentElement; + jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " + + "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " + + "change select submit keydown keypress keyup contextmenu" ).split( " " ), + function( _i, name ) { - // Make sure it's not a disconnected DOM node - if ( !jQuery.contains( docElem, elem ) ) { - return box; - } + // Handle event binding + jQuery.fn[ name ] = function( data, fn ) { + return arguments.length > 0 ? + this.on( name, null, data, fn ) : + this.trigger( name ); + }; + } ); - // Support: BlackBerry 5, iOS 3 (original iPhone) - // If we don't have gBCR, just use 0,0 rather than error - if ( typeof elem.getBoundingClientRect !== strundefined ) { - box = elem.getBoundingClientRect(); - } - win = getWindow( doc ); - return { - top: box.top + win.pageYOffset - docElem.clientTop, - left: box.left + win.pageXOffset - docElem.clientLeft - }; - }, - position: function() { - if ( !this[ 0 ] ) { - return; - } - var offsetParent, offset, - elem = this[ 0 ], - parentOffset = { top: 0, left: 0 }; - // Fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is its only offset parent - if ( jQuery.css( elem, "position" ) === "fixed" ) { - // Assume getBoundingClientRect is there when computed position is fixed - offset = elem.getBoundingClientRect(); +// Support: Android <=4.0 only +// Make sure we trim BOM and NBSP + var rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g; - } else { - // Get *real* offsetParent - offsetParent = this.offsetParent(); +// Bind a function to a context, optionally partially applying any +// arguments. +// jQuery.proxy is deprecated to promote standards (specifically Function#bind) +// However, it is not slated for removal any time soon + jQuery.proxy = function( fn, context ) { + var tmp, args, proxy; - // Get correct offsets - offset = this.offset(); - if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) { - parentOffset = offsetParent.offset(); - } + if ( typeof context === "string" ) { + tmp = fn[ context ]; + context = fn; + fn = tmp; + } - // Add offsetParent borders - parentOffset.top += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true ); - parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true ); + // Quick check to determine if target is callable, in the spec + // this throws a TypeError, but we will just return undefined. + if ( !isFunction( fn ) ) { + return undefined; } - // Subtract parent offsets and element margins - return { - top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ), - left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true ) + // Simulated bind + args = slice.call( arguments, 2 ); + proxy = function() { + return fn.apply( context || this, args.concat( slice.call( arguments ) ) ); }; - }, - - offsetParent: function() { - return this.map(function() { - var offsetParent = this.offsetParent || docElem; - - while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position" ) === "static" ) ) { - offsetParent = offsetParent.offsetParent; - } - - return offsetParent || docElem; - }); - } -}); - -// Create scrollLeft and scrollTop methods -jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) { - var top = "pageYOffset" === prop; - - jQuery.fn[ method ] = function( val ) { - return access( this, function( elem, method, val ) { - var win = getWindow( elem ); - if ( val === undefined ) { - return win ? win[ prop ] : elem[ method ]; - } - - if ( win ) { - win.scrollTo( - !top ? val : window.pageXOffset, - top ? val : window.pageYOffset - ); + // Set the guid of unique handler to the same of original handler, so it can be removed + proxy.guid = fn.guid = fn.guid || jQuery.guid++; - } else { - elem[ method ] = val; - } - }, method, val, arguments.length, null ); + return proxy; }; -}); -// Support: Safari<7+, Chrome<37+ -// Add the top/left cssHooks using jQuery.fn.position -// Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084 -// Blink bug: https://code.google.com/p/chromium/issues/detail?id=229280 -// getComputedStyle returns percent when specified for top/left/bottom/right; -// rather than make the css module depend on the offset module, just check for it here -jQuery.each( [ "top", "left" ], function( i, prop ) { - jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition, - function( elem, computed ) { - if ( computed ) { - computed = curCSS( elem, prop ); - // If curCSS returns percentage, fallback to offset - return rnumnonpx.test( computed ) ? - jQuery( elem ).position()[ prop ] + "px" : - computed; - } + jQuery.holdReady = function( hold ) { + if ( hold ) { + jQuery.readyWait++; + } else { + jQuery.ready( true ); } - ); -}); - - -// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods -jQuery.each( { Height: "height", Width: "width" }, function( name, type ) { - jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) { - // Margin is only for outerHeight, outerWidth - jQuery.fn[ funcName ] = function( margin, value ) { - var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ), - extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" ); - - return access( this, function( elem, type, value ) { - var doc; - - if ( jQuery.isWindow( elem ) ) { - // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there - // isn't a whole lot we can do. See pull request at this URL for discussion: - // https://github.com/jquery/jquery/pull/764 - return elem.document.documentElement[ "client" + name ]; - } - - // Get document width or height - if ( elem.nodeType === 9 ) { - doc = elem.documentElement; - - // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], - // whichever is greatest - return Math.max( - elem.body[ "scroll" + name ], doc[ "scroll" + name ], - elem.body[ "offset" + name ], doc[ "offset" + name ], - doc[ "client" + name ] - ); - } - - return value === undefined ? - // Get width or height on the element, requesting but not forcing parseFloat - jQuery.css( elem, type, extra ) : - - // Set width or height on the element - jQuery.style( elem, type, value, extra ); - }, type, chainable ? margin : undefined, chainable, null ); - }; - }); -}); - - -// The number of elements contained in the matched element set -jQuery.fn.size = function() { - return this.length; -}; - -jQuery.fn.andSelf = jQuery.fn.addBack; + }; + jQuery.isArray = Array.isArray; + jQuery.parseJSON = JSON.parse; + jQuery.nodeName = nodeName; + jQuery.isFunction = isFunction; + jQuery.isWindow = isWindow; + jQuery.camelCase = camelCase; + jQuery.type = toType; + + jQuery.now = Date.now; + + jQuery.isNumeric = function( obj ) { + + // As of jQuery 3.0, isNumeric is limited to + // strings and numbers (primitives or objects) + // that can be coerced to finite numbers (gh-2662) + var type = jQuery.type( obj ); + return ( type === "number" || type === "string" ) && + + // parseFloat NaNs numeric-cast false positives ("") + // ...but misinterprets leading-number strings, particularly hex literals ("0x...") + // subtraction forces infinities to NaN + !isNaN( obj - parseFloat( obj ) ); + }; + jQuery.trim = function( text ) { + return text == null ? + "" : + ( text + "" ).replace( rtrim, "" ); + }; @@ -9167,44 +10829,44 @@ jQuery.fn.andSelf = jQuery.fn.addBack; // AMD loader is present. jQuery is a special case. For more information, see // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon -if ( typeof define === "function" && define.amd ) { - define( "jquery", [], function() { - return jQuery; - }); -} + if ( typeof define === "function" && define.amd ) { + define( "jquery", [], function() { + return jQuery; + } ); + } -var - // Map over jQuery in case of overwrite - _jQuery = window.jQuery, + var - // Map over the $ in case of overwrite - _$ = window.$; + // Map over jQuery in case of overwrite + _jQuery = window.jQuery, -jQuery.noConflict = function( deep ) { - if ( window.$ === jQuery ) { - window.$ = _$; - } + // Map over the $ in case of overwrite + _$ = window.$; - if ( deep && window.jQuery === jQuery ) { - window.jQuery = _jQuery; - } + jQuery.noConflict = function( deep ) { + if ( window.$ === jQuery ) { + window.$ = _$; + } - return jQuery; -}; + if ( deep && window.jQuery === jQuery ) { + window.jQuery = _jQuery; + } + + return jQuery; + }; // Expose jQuery and $ identifiers, even in AMD // (#7102#comment:10, https://github.com/jquery/jquery/pull/557) // and CommonJS for browser emulators (#13566) -if ( typeof noGlobal === strundefined ) { - window.jQuery = window.$ = jQuery; -} - + if ( typeof noGlobal === "undefined" ) { + window.jQuery = window.$ = jQuery; + } -return jQuery; -})); + return jQuery; +} ); diff --git a/www/js/search-tabs.js b/www/js/search-tabs.js new file mode 100644 index 0000000000000000000000000000000000000000..c69ec866dd1ac4b896093e416aea9b1a8689ce72 --- /dev/null +++ b/www/js/search-tabs.js @@ -0,0 +1,385 @@ +define(['jquery', 'analytics'], function ($, analytics) { + "use strict"; + + // Service server (defaults to //directory.unl.edu) + var directoryServer = null; + + var unlContext = '015236299699564929946:nk1siew10ie'; + + var transitionDelay = 400; + + var inputSel = '#search_q'; + var formSel = '#searchform form'; + var resultSel = '.search-results'; + var googleSel = '.google-results'; + + var evtStateChange = 'statechange'; + var wrapperMain = '#search_wrapper'; + var wrapperWeb = '#search_results'; + var wrapperDir = '#directory_results'; + + var dirPeopleResults = 'ppl_results'; + var dirDeptResults = 'dept_results'; + var unlResults = 'unl_results'; + var localResults = 'local_results'; + + window.pf_getUID = function() { + return true; + }; + + // Caching Class + var Cache = function() { + this.storage = {}; + }; + Cache.prototype.get = function(key) { + return this.storage[key] || undefined; + }; + Cache.prototype.save = function(key, value) { + this.storage[key] = value; + return this; + }; + + // Directory Controller Class + var Directory = function(server, peopleContainerId, deptContainerId) { + this.peopleContainer = '#' + peopleContainerId; + this.deptContainer = '#' + deptContainerId; + this._server = server || 'https://directory.unl.edu'; + this._cache = new Cache(); + this._searchCanceled = false; + }; + Directory.prototype._render = function(data) { + if (this._searchCanceled) { + return; + } + // render people results + $(this.peopleContainer).html(data); + this._renderState('people', this.peopleContainer); + // render dept results + $(this.deptContainer).html(data); + this._renderState('dept', this.deptContainer); + }; + Directory.prototype._renderState = function(type, container) { + var $innerRes = $('.results', $(container)), + $showRes, $hideRes, + depFilter = '.departments'; + + if (!$innerRes.length) { + return; + } + + if (type === 'people') { + $showRes = $innerRes.not(depFilter); + $hideRes = $innerRes.filter(depFilter); + } else { + $showRes = $innerRes.filter(depFilter); + $hideRes = $innerRes.not(depFilter); + } + + if (!$showRes.length) { + $(container).html('Sorry, no results could be found.'); + if (type === 'people') { + $('.dept-results-tab').first().click(); + } + } + + $hideRes.hide(); + }; + Directory.prototype.cancelSearch = function() { + this._searchCanceled = true; + if (this._xhr) { + this._xhr.abort(); + } + }; + Directory.prototype.execute = function(q) { + var cacheData = this._cache.get(q), + self = this; + + this._searchCanceled = false; + if (this._xhr) { + this._xhr.abort(); + } + + if (cacheData) { + this._render(cacheData); + } else { + this._xhr = $.get(this._server + '/service.php?q=' + encodeURIComponent(q), function(data) { + self._cache.save(q, data); + self._render(data); + }); + } + }; + Directory.prototype.clearAllResults = function() { + $(this.peopleContainer).empty(); + $(this.deptContainer).empty(); + }; + + // Google Search Wrapper Class + var GoogleSearcher = function(search_element, root_of_element) { + this.control = search_element; + this.control.root = root_of_element; + } + + GoogleSearcher.prototype.setSearchCompleteCallback = function(callback) { + this.complete_callback = callback; + } + + GoogleSearcher.prototype.setSearchStartingCallback = function(callback) { + this.starting_callback = callback; + } + + GoogleSearcher.prototype.execute = function(query) { + this.starting_callback(this.control, null, query); + this.control.execute(query); + this.complete_callback(this.control); + } + + return { + initialize: function(firstQ, localContext) { + // query related + var query = ''; + + // CustomSearchControl instances and config + var activeSearch; // this is the search that is currently shown + var unlGoogleSearch; + var localGoogleSearch; + var directorySearch; + var searchToggleLock = false; + + var trackQuery = function(q) { + var loc = window.location, + qs = loc.search.replace(/(?:(\?)|&)q=[^&]*(?:&|$)/, '$1'), + page = [ + loc.pathname, + qs || '?', + (qs && qs != '?') ? '&' : '', + 'q=', + encodeURIComponent(q) + ].join(''); + + analytics.callTrackPageview(page); + + if (window.history.pushState) { + window.history.pushState({query: q}, '', page); + } + }; + + var queryComplete = function(control) { + var $root = $(control.root); + + // a11y patching + $('img.gs-image', $root).each(function() { + if (!this.alt) { + this.alt = $(this).closest('.gsc-table-result').find('.gs-title').first().text(); + } + }); + $('img.gcsc-branding-img-noclear', $root).attr('alt', 'Google™'); + + setTimeout(function() { + if (!searchToggleLock && localGoogleSearch && control == localGoogleSearch.control && $('.gs-no-results-result', $root).length) { + $root.closest('.results-group').find('.result-tab li:last-child').click(); + return; + } + }, 1000); + + searchToggleLock = false; + }; + + var fullQuery = function(q, track) { + if (track !== false) { + trackQuery(q); + } + try { + activeSearch.execute(q); + } catch (e) { + queryComplete(activeSearch.control); + } + directorySearch.execute(q); + $(wrapperMain).fadeIn(); + }; + + var fullStop = function() { + //activeSearch.cancelSearch(): // TODO: implement this + directorySearch.cancelSearch(); + $(wrapperMain).fadeOut(); + setTimeout(function() { + activeSearch.control.clearAllResults(); + directorySearch.clearAllResults(); + }, transitionDelay); + }; + + var queryStart = function(control, searcher, q) { + if (q !== query) { + trackQuery(q); + directorySearch.execute(q); + } + }; + + directorySearch = new Directory(directoryServer, dirPeopleResults, dirDeptResults); + + // Setup DOM on ready + $(function() { + var $q = $(inputSel), + + resSel = '.results-group', + tabsSel = '.result-tab', + selCls = 'selected', + stateClsPfx = 'state-', + + $resTabs = $('.result-tab'), + tabStateChange = function(e, state, prevState) { + var $tab = $(this).find(tabsSel); + + e.stopPropagation(); + + $tab.removeClass(stateClsPfx + prevState); + $tab.addClass(stateClsPfx + state); + + $tab.children().removeClass(selCls).eq(state).addClass(selCls); + }, + + googleOrigin = /^https?:\/\/.*\.google\.com$/, + + isValidOrigin = function(origin) { + if (googleOrigin.test(origin)) { + return false; + } + + // don't allow self origin or browser extension origins + if (origin == location.origin || /^chrome:/.test(origin)) { + return false; + } + + return true; + }, + + passiveQuery = function(q, track) { + if (query === q) { + return; + } + + query = q; + $q.val(q); + + if (q) { + fullQuery(q, track); + } else { + fullStop(); + } + }; + + var render_attrs = { + div: 'unl_results', + tag: 'searchresults-only', + attributes: { + enableImageSearch: false + } + } + // draw the Google search results stuff + google.search.cse.element.render(render_attrs); + // bind the search results element to this class + var searchElement = google.search.cse.element.getAllElements()['searchresults-only0']; + window.googleSearchElement = searchElement; + unlGoogleSearch = new GoogleSearcher(searchElement, $('#unl_results')); + unlGoogleSearch.setSearchStartingCallback(queryStart); + unlGoogleSearch.setSearchCompleteCallback(queryComplete); + activeSearch = unlGoogleSearch; + + if (localContext) { + var render_attrs_local = { + div: 'local_results', + tag: 'searchresults-only', + attributes: { + enableImageSearch: false, + as_sitesearch: localContext + } + } + google.search.cse.element.render(render_attrs_local); + var localSearchElement = google.search.cse.element.getAllElements()['searchresults-only1']; + window.localGoogleSearchElement = searchElement; + localGoogleSearch = new GoogleSearcher(localSearchElement, $('#local_results')); + localGoogleSearch.setSearchStartingCallback(queryStart); + localGoogleSearch.setSearchCompleteCallback(queryComplete); + activeSearch = localGoogleSearch; + } + + // a11y patch Google search box + $('form.gsc-search-box').remove(); + + // setup the tab-like result filters + $('li:first-child', $resTabs).addClass(selCls); + $($resTabs).on('click', 'li', function(e) { + e.preventDefault(); + + var i = $(this).index(), + $par = $(this).parents(resSel); + + if ($par.is(wrapperDir)) { + directorySearch.changeViewState(i); + } else if ($par.is(wrapperWeb)) { + searchToggleLock = true; + $(activeSearch.control.root).closest(googleSel).trigger(evtStateChange, [i, 0 + !i]); + if (i === 0) { + activeSearch = localGoogleSearch; + } else { + activeSearch = unlGoogleSearch; + } + activeSearch.execute(query); + } + }); + + $(resSel).on(evtStateChange, tabStateChange); + + // listen for the submit event + $(formSel).submit(function(e) { + e.preventDefault(); + + var q = $.trim($q.val()); + passiveQuery(q); + }); + + // issue an inital query + if (firstQ) { + passiveQuery(firstQ, false); + } + + // listen for message from parent frames + $(window).on('message', function(e) { + var oEvent = e.originalEvent, q; + + if (!isValidOrigin(oEvent.origin)) { + return; + } + + // Chrome iOS issues a message on touch that is an object with + // oEvent.data.type = 'org.chromium.contextMenuMessage'. + // We will just ignore anything that isn't a string, which is what is + // expected from the parent window with wdntemplates's embedded search. + if (typeof oEvent.data !== 'string') { + return; + } + + q = $.trim(oEvent.data); + passiveQuery(q); + }); + + $(window).on('popstate', function(e) { + var oEvent = e.originalEvent, + q = firstQ || ''; + + if (oEvent.state) { + q = oEvent.state.query || ''; + } + passiveQuery(q, false); + }); + + if (window.parent) { + $(document).on('keydown', function(e) { + if (e.keyCode === 27) { + window.parent.postMessage('wdn.search.close', "*"); + } + }); + } + }); + } + }; +}); diff --git a/www/js/search-tabs.min.js b/www/js/search-tabs.min.js new file mode 100644 index 0000000000000000000000000000000000000000..2630d0b4e440b0e83f0e295e4319da960f940b73 --- /dev/null +++ b/www/js/search-tabs.min.js @@ -0,0 +1,2 @@ +define(["jquery","analytics"],function(a,b){"use strict";var c=null,d=400,e="#search_q",f="#searchform form",g=".google-results",h="statechange",i="#search_wrapper",j="#search_results",k="#directory_results",l="ppl_results",m="dept_results";window.pf_getUID=function(){return!0};var n=function(){this.storage={}};n.prototype.get=function(a){return this.storage[a]||void 0},n.prototype.save=function(a,b){return this.storage[a]=b,this};var o=function(a,b,c){this.peopleContainer="#"+b,this.deptContainer="#"+c,this._server=a||"https://directory.unl.edu",this._cache=new n,this._searchCanceled=!1};o.prototype._render=function(b){this._searchCanceled||(a(this.peopleContainer).html(b),this._renderState("people",this.peopleContainer),a(this.deptContainer).html(b),this._renderState("dept",this.deptContainer))},o.prototype._renderState=function(b,c){var d,e,f=a(".results",a(c)),g=".departments";f.length&&("people"===b?(d=f.not(g),e=f.filter(g)):(d=f.filter(g),e=f.not(g)),d.length||(a(c).html("Sorry, no results could be found."),"people"===b&&a(".dept-results-tab").first().click()),e.hide())},o.prototype.cancelSearch=function(){this._searchCanceled=!0,this._xhr&&this._xhr.abort()},o.prototype.execute=function(b){var c=this._cache.get(b),d=this;this._searchCanceled=!1,this._xhr&&this._xhr.abort(),c?this._render(c):this._xhr=a.get(this._server+"/service.php?q="+encodeURIComponent(b),function(a){d._cache.save(b,a),d._render(a)})},o.prototype.clearAllResults=function(){a(this.peopleContainer).empty(),a(this.deptContainer).empty()};var p=function(a,b){this.control=a,this.control.root=b};return p.prototype.setSearchCompleteCallback=function(a){this.complete_callback=a},p.prototype.setSearchStartingCallback=function(a){this.starting_callback=a},p.prototype.execute=function(a){this.starting_callback(this.control,null,a),this.control.execute(a),this.complete_callback(this.control)},{initialize:function(n,q){var r,s,t,u,v="",w=!1,x=function(a){var c=window.location,d=c.search.replace(/(?:(\?)|&)q=[^&]*(?:&|$)/,"$1"),e=[c.pathname,d||"?",d&&"?"!=d?"&":"","q=",encodeURIComponent(a)].join("");b.callTrackPageview(e),window.history.pushState&&window.history.pushState({query:a},"",e)},y=function(b){var c=a(b.root);a("img.gs-image",c).each(function(){this.alt||(this.alt=a(this).closest(".gsc-table-result").find(".gs-title").first().text())}),a("img.gcsc-branding-img-noclear",c).attr("alt","Google™"),setTimeout(function(){if(!w&&t&&b==t.control&&a(".gs-no-results-result",c).length)return void c.closest(".results-group").find(".result-tab li:last-child").click()},1e3),w=!1},z=function(b,c){!1!==c&&x(b);try{r.execute(b)}catch(d){y(r.control)}u.execute(b),a(i).fadeIn()},A=function(){u.cancelSearch(),a(i).fadeOut(),setTimeout(function(){r.control.clearAllResults(),u.clearAllResults()},d)},B=function(a,b,c){c!==v&&(x(c),u.execute(c))};u=new o(c,l,m),a(function(){var b=a(e),c=".results-group",d=".result-tab",i="selected",l="state-",m=a(".result-tab"),o=function(b,c,e){var f=a(this).find(d);b.stopPropagation(),f.removeClass(l+e),f.addClass(l+c),f.children().removeClass(i).eq(c).addClass(i)},x=/^https?:\/\/.*\.google\.com$/,C=function(a){return!x.test(a)&&(a!=location.origin&&!/^chrome:/.test(a))},D=function(a,c){v!==a&&(v=a,b.val(a),a?z(a,c):A())},E={div:"unl_results",tag:"searchresults-only",attributes:{enableImageSearch:!1}};google.search.cse.element.render(E);var F=google.search.cse.element.getAllElements()["searchresults-only0"];if(window.googleSearchElement=F,s=new p(F,a("#unl_results")),s.setSearchStartingCallback(B),s.setSearchCompleteCallback(y),r=s,q){var G={div:"local_results",tag:"searchresults-only",attributes:{enableImageSearch:!1,as_sitesearch:q}};google.search.cse.element.render(G);var H=google.search.cse.element.getAllElements()["searchresults-only1"];window.localGoogleSearchElement=F,t=new p(H,a("#local_results")),t.setSearchStartingCallback(B),t.setSearchCompleteCallback(y),r=t}a("form.gsc-search-box").remove(),a("li:first-child",m).addClass(i),a(m).on("click","li",function(b){b.preventDefault();var d=a(this).index(),e=a(this).parents(c);e.is(k)?u.changeViewState(d):e.is(j)&&(w=!0,a(r.control.root).closest(g).trigger(h,[d,0+!d]),r=0===d?t:s,r.execute(v))}),a(c).on(h,o),a(f).submit(function(c){c.preventDefault();var d=a.trim(b.val());D(d)}),n&&D(n,!1),a(window).on("message",function(b){var c,d=b.originalEvent;C(d.origin)&&"string"==typeof d.data&&(c=a.trim(d.data),D(c))}),a(window).on("popstate",function(a){var b=a.originalEvent,c=n||"";b.state&&(c=b.state.query||""),D(c,!1)}),window.parent&&a(document).on("keydown",function(a){27===a.keyCode&&window.parent.postMessage("wdn.search.close","*")})})}}}); +//# sourceMappingURL=search-tabs.min.js.map \ No newline at end of file diff --git a/www/scss/search.scss b/www/scss/search.scss index dc6c2823cc69a39a29afb3921c89ad5039260cd3..db75d77934b05973e1bb047692846934dcf41c32 100644 --- a/www/scss/search.scss +++ b/www/scss/search.scss @@ -57,77 +57,57 @@ max-width: 30em!important; } - -.result-tab li + li::before { - content: '\b7'; // middle-dot + space - padding-left: .43em; - padding-right: .43em; -} - - -.result-tab li.selected a { - color: #2e2e2d; -} - - -.search-results { - opacity: 0; - transition: opacity 400ms; -} - - -.search-results.active { - opacity: 1; -} - - .search-results h3, .google-search { display: none; } +.search-faux-tab { + border-color: #e3e3e2 #e3e3e2 #fff #e3e3e2; + margin-bottom: -1px; +} // Directory Styles // TODO: revisit (and remove?) after Directory has been updated to 5.0 -#ppl_results h3, -#ppl_results h4, -#ppl_results .result_head, -#ppl_results .cInfo, -#ppl_results .overflow .roles .organization-name, +#directory_results h3, +#directory_results h4, +#directory_results .result_head, +#directory_results .cInfo, +#directory_results .overflow .roles .organization-name, [data-uid="kfarrell2"] .given-name { display: none; } -#ppl_results .ppl_Sresult, -#ppl_results .dep_result { +#directory_results .ppl_Sresult, +#directory_results .dep_result { margin-bottom: 1.77em; } -#ppl_results .overflow > .recordDetails { +#directory_results .overflow > .recordDetails { align-self: center; flex: 1 1 auto; } -#ppl_results .overflow .roles li { +#directory_results .overflow .roles li { margin-bottom: .32em; } -#ppl_results .overflow .roles:last-child { +#directory_results .overflow .roles:last-child { margin-bottom: 0; } -#ppl_results .overflow .roles .title, -#ppl_results .overflow .roles .organization-unit { +#directory_results .overflow .roles .title, +#directory_results .overflow .roles .organization-unit { display: block; } -#ppl_results .given-name { +#directory_results .given-name { font-size: 1rem; margin-left: 1em; text-transform: uppercase; diff --git a/www/templates/5.0/embed-debug.tpl.php b/www/templates/5.0/embed-debug.tpl.php index 64b8a743de36a5bd22e074aaa135e1bf8a505fb4..b9372050aca55dc5c83f580ff95617d3d564afff 100644 --- a/www/templates/5.0/embed-debug.tpl.php +++ b/www/templates/5.0/embed-debug.tpl.php @@ -1,11 +1,12 @@ <!DOCTYPE html> -<html class="no-js embed" lang="en"> +<html class=dcf-no-js dcf-no-webp embed" lang="en"> <head> <meta charset="utf-8" /> <meta http-equiv="x-ua-compatible" content="ie=edge" /> <title>Search | University of Nebraska–Lincoln</title> <link rel="stylesheet" href="https://cloud.typography.com/7717652/6968572/css/fonts.css" /> - <link rel="stylesheet" href="/wdn/templates_5.0/css/core.css" /> + <link rel="stylesheet" href="/wdn/templates_5.1/css/main.css" /> + <link rel="stylesheet" href="/wdn/templates_5.1/js/js-css/tabs.css" /> <script data-main="js/embed-src/main.js" src="js/embed-src/require.js"></script> <?php echo $head ?> </head> @@ -13,5 +14,15 @@ <main> <?php echo $maincontent ?> </main> + <script> + require(['https://unlcms.unl.edu/wdn/templates_5.1/js/compressed/dcf-utility.js', 'https://unlcms.unl.edu/wdn/templates_5.1/js/compressed/dcf-tabs.js'], function() { + DCFUtility.flagSupportsWebP(); + DCFUtility.flagSupportsJavaScript(); + + var tabs = document.querySelectorAll('.dcf-tabs'); + var unlTabs = new DCFTabs(tabs); + unlTabs.initialize(); + }); + </script> </body> </html> diff --git a/www/templates/5.0/embed.tpl.php b/www/templates/5.0/embed.tpl.php index 0776fd5ff9c11204dff5be6d59c6b8379543f1a2..e43c0019a7030fe21a589fd48d362f4f3039e704 100644 --- a/www/templates/5.0/embed.tpl.php +++ b/www/templates/5.0/embed.tpl.php @@ -1,12 +1,13 @@ <!DOCTYPE html> -<html class="no-js embed" lang="en"> +<html class="dcf-no-js dcf-no-webp embed" lang="en"> <head> <meta charset="utf-8" /> <meta http-equiv="x-ua-compatible" content="ie=edge" /> <title>Search | University of Nebraska–Lincoln</title> <link rel="stylesheet" href="https://cloud.typography.com/7717652/6968572/css/fonts.css" /> - <link rel="stylesheet" href="https://unlcms.unl.edu/wdn/templates_5.0/css/core.css" /> - <script src="js/embed/all.js?v=20170404"></script> + <link rel="stylesheet" href="https://unlcms.unl.edu/wdn/templates_5.1/css/main.css" /> + <link rel="stylesheet" href="https://unlcms.unl.edu/wdn/templates_5.1/js/js-css/tabs.css" /> + <script src="js/embed/all.js?v=<?php echo $cacheVersion; ?>"></script> <?php echo $head ?> </head> <body class="unl"> @@ -14,4 +15,15 @@ <?php echo $maincontent ?> </main> </body> +<script> + require(['https://unlcms.unl.edu/wdn/templates_5.1/js/compressed/dcf-utility.js', + 'https://unlcms.unl.edu/wdn/templates_5.1/js/compressed/dcf-tabs.js'], function() { + DCFUtility.flagSupportsWebP(); + DCFUtility.flagSupportsJavaScript(); + + var tabs = document.querySelectorAll('.dcf-tabs'); + var unlTabs = new DCFTabs(tabs); + unlTabs.initialize(); + }); +</script> </html> diff --git a/www/templates/5.0/end-scripts.tpl.php b/www/templates/5.0/end-scripts.tpl.php index acf09933e461a1e6758dfd1cf00f3217a8a06a53..ead1bde4bbdc080af4b448d7d1d89d787574f6d7 100644 --- a/www/templates/5.0/end-scripts.tpl.php +++ b/www/templates/5.0/end-scripts.tpl.php @@ -19,7 +19,7 @@ require(['jquery', '<?php echo $localScriptUrl ?>'], function($, UNLSearch) { }).appendTo($('body')); var $localCss = $('<link>', { - 'href': './css/search-google-5.0.css?v=20180816' + 'href': './css/search-google-5.0.css?v=<?php echo $cacheVersion; ?>' }); gSearchDefer.done(function(google) { diff --git a/www/templates/5.0/google-results.tpl.php b/www/templates/5.0/google-results.tpl.php index 38ef9b0154291f158cc00c4ae3e20fb15381834c..cd9ef231820bbc393efeeda166bd821788b8e6cd 100644 --- a/www/templates/5.0/google-results.tpl.php +++ b/www/templates/5.0/google-results.tpl.php @@ -1,4 +1 @@ -<?php if (isset($title)): ?> -<h3><?php echo $title ?> Results</h3> -<?php endif; ?> <div id="<?php echo isset($id) ? $id : '' ?>" class="google-results"></div> diff --git a/www/templates/5.0/search-results.tpl.php b/www/templates/5.0/search-results.tpl.php index cd395ff87c15c0e52769c8596028a1e4ba7f8225..4875592bd8334ad3fb3fae382e673c2c1f28910c 100644 --- a/www/templates/5.0/search-results.tpl.php +++ b/www/templates/5.0/search-results.tpl.php @@ -1,37 +1,61 @@ <?php if (!$isEmbed): ?><div class="dcf-bleed dcf-mb-0 dcf-overflow-y-auto"><?php endif ?> -<section class="dcf-wrapper dcf-grid dcf-col-gap-vw dcf-pt-9 dcf-txt-xs unl-font-sans unl-search-results" id="search_wrapper"> + <section class="dcf-wrapper dcf-grid dcf-col-gap-6 dcf-row-gap-9 dcf-pt-9 dcf-pb-9 dcf-txt-xs unl-font-sans unl-search-results" id="search_wrapper"> - <div class="dcf-col-100% dcf-col-67%-start@sm dcf-col-50%-start@lg results-group" id="search_results"> - <div class="result-head"> - <h2>Web Results</h2> - <ul class="dcf-d-flex dcf-list-bare result-tab<?php if (empty($local_results)): ?> no-local<?php endif; ?>"> - <?php if (!empty($local_results)): ?> - <li><a href="#">This unit</a></li> - <?php endif; ?> - <li><a href="#">All of UNL</a></li> - </ul> - </div> - <div class="search-results"> - <?php echo $local_results ?> - <?php echo renderTemplate('templates/5.0/google-results.tpl.php', array( - 'title' => 'All of UNL', - 'id' => 'unl_results', - )) ?> - </div> - </div> + <div class="dcf-col-100% dcf-col-67%-start@md dcf-col-50%-start@lg results-group" id="search_results"> + <?php if (!empty($local_results)): ?> + <div class="dcf-tabs"> + <h2>Web Results</h2> + <ul> + <li><a href="#local-results-container">This Site</a></li> + <li><a href="#unl-results-container">All of UNL</a></li> + </ul> + <div id="local-results-container"> + <?php if (isset($localTitle)): ?> + <h3 class="dcf-sr-only"><?php echo $localTitle ?> Results</h3> + <?php endif; ?> + <?php echo $local_results ?> + </div> + <div id="unl-results-container"> + <h3 class="dcf-sr-only">All of UNL Results</h3> + <?php echo renderTemplate('templates/5.0/google-results.tpl.php', array( + 'id' => 'unl_results' + )) ?> + </div> + </div> + <?php else: ?> + <h2>Web Results</h2> + <h3 class="dcf-bold dcf-lh-4 dcf-d-inline-block dcf-txt-sm dcf-mt-0 dcf-pt-4 dcf-pr-5 dcf-pb-4 dcf-pl-5 dcf-bg-white dcf-b-1 dcf-bb-0 dcf-b-solid unl-b-light-gray search-faux-tab">All of UNL</h3> + <div class="dcf-pt-7 dcf-pr-6 dcf-pb-7 dcf-pl-6 dcf-bg-white dcf-b-1 dcf-b-solid unl-b-light-gray" id="unl-results-container"> + <?php echo renderTemplate('templates/5.0/google-results.tpl.php', array( + 'title' => 'All of UNL', + 'id' => 'unl_results' + )) ?> + </div> + <?php endif; ?> + </div> - <div class="dcf-col-100% dcf-col-33%-end@sm dcf-col-50%-end@lg dcf-pb-10 results-group" id="directory_results"> - <div class="result-head"> - <h2>Directory Results</h2> - <ul class="dcf-d-flex dcf-list-bare result-tab"> - <li><a href="#">People</a></li> - <li><a href="#">Departments</a></li> - </ul> - </div> - <div id="ppl_results" class="search-results"></div> - </div> + <div class="dcf-col-100% dcf-col-33%-end@md dcf-col-50%-end@lg results-group" id="directory_results"> + <div class="dcf-tabs"> + <h2>Directory Results</h2> + <ul> + <li><a href="#ppl_results">People</a></li> + <li><a href="#dept_results" class="dept-results-tab">Departments</a></li> + </ul> + <div id="ppl_results"></div> + <div id="dept_results"></div> + </div> + </div> -</section> + </section> -<?php if (!$isEmbed): ?></div><?php endif ?> \ No newline at end of file +<?php if (!$isEmbed): ?></div><?php endif ?> +<script> + window.addEventListener('inlineJSReady', function() { + require(['dcf-utility', 'dcf-tabs', 'css!../js-css/tabs'], function() { + var tabs = document.querySelectorAll('.dcf-tabs'); + var unlTabs = new DCFTabs(tabs); + unlTabs.initialize(); + }); + }); +</script> \ No newline at end of file diff --git a/www/templates/local-footer.tpl.php b/www/templates/local-footer.tpl.php index 8293b60df662882718011465fd40eda95e7d7f8e..43fba08aaa35c4769d10572cefd6f680deb86b3b 100644 --- a/www/templates/local-footer.tpl.php +++ b/www/templates/local-footer.tpl.php @@ -15,7 +15,7 @@ preg_match_all('|<li>(.*)<\/li>|', $relatedLinks, $matches); if (is_array($matches[0])) { foreach($matches[0] as $link) { - echo "<li>" . $link . "</li>", PHP_EOL; + echo $link, PHP_EOL; } } ?>