diff --git a/Gruntfile.js b/Gruntfile.js index b8026c0d8..080cd747f 100644 --- a/Gruntfile.js +++ b/Gruntfile.js @@ -80,20 +80,26 @@ module.exports = function (grunt) { spotlight: { src: ['app/**/*.js'], options: { - helpers: ['spec/helpers/*.js'], + helpers: [ + 'spec/helpers/*.js', + '!spec/helpers/server-*.js' + ], specs: [ - 'spec/shared/**/spec.*.js', - 'spec/client/**/spec.*.js' + 'spec/client/**/*.js', + '!spec/client/preprocessors/spec.visualisation_fallback.js' // fallback images (expect async) ], template: 'spec/index.html', - keepRunner: true + keepRunner: false, + vendor: [ + 'app/vendor/jquery.js', + 'app/vendor/require.js' + ] } } }, // Sets up server-side Jasmine node tests jasmine_node: { legacy: { - verbose: false, src: './spec/helpers', options: { specFolders: [ @@ -102,6 +108,7 @@ module.exports = function (grunt) { ], useHelpers: true, specNameMatcher: 'spec.*', // load only specs containing specNameMatcher + helperNameMatcher: '^(?!client-).+', // load only helpers *not* containing 'client-' in their filename match: '.*', useRequireJs: 'spec/requirejs-setup.js', verbose: false, @@ -114,7 +121,6 @@ module.exports = function (grunt) { } }, server: { - verbose: false, src: './spec/server-pure', options: { specFolders: [ @@ -122,6 +128,7 @@ module.exports = function (grunt) { ], useHelpers: true, specNameMatcher: 'spec.*', // load only specs containing specNameMatcher + helperNameMatcher: '^(?!client-).+', // load only helpers *not* containing 'client-' in their filename match: '.*', verbose: false, jUnit: { @@ -140,6 +147,7 @@ module.exports = function (grunt) { src: ['app/client/**/*.js', 'spec/client/**/*.js'], options: { reporter: require('jshint-stylish'), + reporterOutput: "", jshintrc: true, config: './node_modules/performanceplatform-js-style-configs/.jshintrc-browser.json' } @@ -149,6 +157,7 @@ module.exports = function (grunt) { '!app/client/**/*.js', '!spec/client/**/*.js'], options: { reporter: require('jshint-stylish'), + reporterOutput: "", jshintrc: true, config: './node_modules/performanceplatform-js-style-configs/.jshintrc-node.json' } @@ -365,7 +374,9 @@ module.exports = function (grunt) { 'copy:assets', 'sass:development', 'digest', + 'jasmine', 'jasmine_node', + 'jshint' ]); grunt.registerTask('test:all', [ diff --git a/app/client/views/graph/bar.js b/app/client/views/graph/bar.js index 61e0bf22a..3fbe53e33 100644 --- a/app/client/views/graph/bar.js +++ b/app/client/views/graph/bar.js @@ -36,7 +36,7 @@ function (require, Component) { blockWidth: function () { var x0 = this.scales.x(this.graph.getXPos(0, 0)); var x1 = this.scales.x(this.graph.getXPos(0, 1)); - return x1 - x0; + return x1 - x0 > 0 ? x1 - x0 : 0; }, barWidth: function () { @@ -166,4 +166,4 @@ function (require, Component) { }); return InterleavedBar; -}); \ No newline at end of file +}); diff --git a/app/extensions/views/table.js b/app/extensions/views/table.js index 5c6cacbe6..32f1001b7 100644 --- a/app/extensions/views/table.js +++ b/app/extensions/views/table.js @@ -49,13 +49,13 @@ function (View, Formatters) { cls += (this.options.hideHeader === true) ? ' table-no-header' : ''; caption = (this.options.caption) ? '' + this.options.caption + '' : ''; this.$el.append('' + caption + '
'); - this.$table = this.$('table') + this.$table = this.$('table'); }, render: function () { this.prepareTable(); - this.$table.append(this.renderHead()) - this.$table.append(this.renderBody()) + this.$table.append(this.renderHead()); + this.$table.append(this.renderBody()); }, renderHead: function () { diff --git a/app/vendor/jquery-deparam.js b/app/vendor/jquery-deparam.js index 887bb8dff..4af239742 100644 --- a/app/vendor/jquery-deparam.js +++ b/app/vendor/jquery-deparam.js @@ -94,4 +94,4 @@ return obj; }; -})(jQuery); \ No newline at end of file +})(jQuery); diff --git a/app/vendor/jquery.js b/app/vendor/jquery.js index c5c648255..d4b67f7e6 100644 --- a/app/vendor/jquery.js +++ b/app/vendor/jquery.js @@ -1,91 +1,82 @@ /*! - * jQuery JavaScript Library v1.10.2 + * jQuery JavaScript Library v1.11.1 * http://jquery.com/ * * Includes Sizzle.js * http://sizzlejs.com/ * - * Copyright 2005, 2013 jQuery Foundation, Inc. and other contributors + * Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors * Released under the MIT license * http://jquery.org/license * - * Date: 2013-07-03T13:48Z + * Date: 2014-05-01T17:42Z */ -(function( window, undefined ) { + +(function( global, factory ) { + + 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 inherently posses a window with a document + // (such as Node.js), expose a jQuery-making factory as module.exports + // This accentuates the need for the creation of a real window + // e.g. var jQuery = require("jquery")(window); + // See ticket #14549 for more info + module.exports = global.document ? + factory( global, true ) : + function( w ) { + if ( !w.document ) { + throw new Error( "jQuery requires a window with a document" ); + } + return factory( w ); + }; + } else { + factory( global ); + } + +// Pass this if window is not defined yet +}(typeof window !== "undefined" ? window : this, function( window, noGlobal ) { // Can't do this because several apps including ASP.NET trace // the stack via arguments.caller.callee and Firefox dies if // you try to trace through "use strict" call chains. (#13335) // Support: Firefox 18+ -//"use strict"; -var - // The deferred used on DOM ready - readyList, +// - // A central reference to the root jQuery(document) - rootjQuery, +var deletedIds = []; - // Support: IE<10 - // For `typeof xmlNode.method` instead of `xmlNode.method !== undefined` - core_strundefined = typeof undefined, +var slice = deletedIds.slice; - // Use the correct document accordingly with window argument (sandbox) - location = window.location, - document = window.document, - docElem = document.documentElement, +var concat = deletedIds.concat; - // Map over jQuery in case of overwrite - _jQuery = window.jQuery, +var push = deletedIds.push; - // Map over the $ in case of overwrite - _$ = window.$, +var indexOf = deletedIds.indexOf; - // [[Class]] -> type pairs - class2type = {}, +var class2type = {}; - // List of deleted data cache ids, so we can reuse them - core_deletedIds = [], +var toString = class2type.toString; - core_version = "1.10.2", +var hasOwn = class2type.hasOwnProperty; - // Save a reference to some core methods - core_concat = core_deletedIds.concat, - core_push = core_deletedIds.push, - core_slice = core_deletedIds.slice, - core_indexOf = core_deletedIds.indexOf, - core_toString = class2type.toString, - core_hasOwn = class2type.hasOwnProperty, - core_trim = core_version.trim, +var support = {}; + + + +var + version = "1.11.1", // Define a local copy of jQuery jQuery = function( selector, context ) { // The jQuery object is actually just the init constructor 'enhanced' - return new jQuery.fn.init( selector, context, rootjQuery ); + // Need init if jQuery is called (just allow error to be thrown if not included) + return new jQuery.fn.init( selector, context ); }, - // Used for matching numbers - core_pnum = /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/.source, - - // Used for splitting on whitespace - core_rnotwhite = /\S+/g, - - // Make sure we trim BOM and NBSP (here's looking at you, Safari 5.0 and IE) + // Support: Android<4.1, IE<9 + // Make sure we trim BOM and NBSP rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, - // A simple way to check for HTML strings - // Prioritize #id over to avoid XSS via location.hash (#9521) - // Strict HTML recognition (#11290: must start with <) - rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/, - - // Match a standalone tag - rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>|)$/, - - // JSON RegExp - rvalidchars = /^[\],:{}\s]*$/, - rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g, - rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g, - rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d+\.|)\d+(?:[eE][+-]?\d+|)/g, - // Matches dashed string for camelizing rmsPrefix = /^-ms-/, rdashAlpha = /-([\da-z])/gi, @@ -93,134 +84,13 @@ var // Used by jQuery.camelCase as callback to replace() fcamelCase = function( all, letter ) { return letter.toUpperCase(); - }, - - // The ready event handler - completed = function( event ) { - - // readyState === "complete" is good enough for us to call the dom ready in oldIE - if ( document.addEventListener || event.type === "load" || document.readyState === "complete" ) { - detach(); - jQuery.ready(); - } - }, - // Clean-up method for dom ready events - detach = function() { - if ( document.addEventListener ) { - document.removeEventListener( "DOMContentLoaded", completed, false ); - window.removeEventListener( "load", completed, false ); - - } else { - document.detachEvent( "onreadystatechange", completed ); - window.detachEvent( "onload", completed ); - } }; jQuery.fn = jQuery.prototype = { // The current version of jQuery being used - jquery: core_version, + jquery: version, constructor: jQuery, - init: function( selector, context, rootjQuery ) { - var match, elem; - - // HANDLE: $(""), $(null), $(undefined), $(false) - if ( !selector ) { - return this; - } - - // Handle HTML strings - if ( typeof selector === "string" ) { - if ( selector.charAt(0) === "<" && selector.charAt( 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; - - // scripts is true for back-compat - 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 ( jQuery.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] ); - - // Check parentNode to catch when Blackberry 4.6 returns - // nodes that are no longer in the document #6963 - if ( elem && elem.parentNode ) { - // Handle the case where IE and Opera return items - // by name instead of ID - if ( elem.id !== match[2] ) { - return rootjQuery.find( selector ); - } - - // Otherwise, we inject the element directly into the jQuery object - this.length = 1; - this[0] = elem; - } - - this.context = document; - this.selector = selector; - return this; - } - - // HANDLE: $(expr, $(...)) - } else if ( !context || context.jquery ) { - return ( context || rootjQuery ).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.context = this[0] = selector; - this.length = 1; - return this; - - // HANDLE: $(function) - // Shortcut for document ready - } else if ( jQuery.isFunction( selector ) ) { - return rootjQuery.ready( selector ); - } - - if ( selector.selector !== undefined ) { - this.selector = selector.selector; - this.context = selector.context; - } - - return jQuery.makeArray( selector, this ); - }, // Start with an empty selector selector: "", @@ -229,19 +99,19 @@ jQuery.fn = jQuery.prototype = { length: 0, toArray: function() { - return core_slice.call( this ); + 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 num == null ? + return num != null ? - // Return a 'clean' array - this.toArray() : + // Return just the one element from the set + ( num < 0 ? this[ num + this.length ] : this[ num ] ) : - // Return just the object - ( num < 0 ? this[ this.length + num ] : this[ num ] ); + // Return all the elements in a clean array + slice.call( this ); }, // Take an array of elements and push it onto the stack @@ -266,15 +136,14 @@ jQuery.fn = jQuery.prototype = { return jQuery.each( this, callback, args ); }, - ready: function( fn ) { - // Add the callback - jQuery.ready.promise().done( fn ); - - return this; + map: function( callback ) { + return this.pushStack( jQuery.map(this, function( elem, i ) { + return callback.call( elem, i, elem ); + })); }, slice: function() { - return this.pushStack( core_slice.apply( this, arguments ) ); + return this.pushStack( slice.apply( this, arguments ) ); }, first: function() { @@ -291,26 +160,17 @@ jQuery.fn = jQuery.prototype = { return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] ); }, - map: function( callback ) { - return this.pushStack( jQuery.map(this, function( elem, i ) { - return callback.call( elem, i, elem ); - })); - }, - end: function() { return this.prevObject || this.constructor(null); }, // For internal use only. // Behaves like an Array's method, not like a jQuery method. - push: core_push, - sort: [].sort, - splice: [].splice + push: push, + sort: deletedIds.sort, + splice: deletedIds.splice }; -// Give the init function the jQuery prototype for later instantiation -jQuery.fn.init.prototype = jQuery.fn; - jQuery.extend = jQuery.fn.extend = function() { var src, copyIsArray, copy, name, options, clone, target = arguments[0] || {}, @@ -321,9 +181,10 @@ jQuery.extend = jQuery.fn.extend = function() { // Handle a deep copy situation if ( typeof target === "boolean" ) { deep = target; - target = arguments[1] || {}; + // skip the boolean and the target - i = 2; + target = arguments[ i ] || {}; + i++; } // Handle case when target is a string or something (possible in deep copy) @@ -332,9 +193,9 @@ jQuery.extend = jQuery.fn.extend = function() { } // extend jQuery itself if only one argument is passed - if ( length === i ) { + if ( i === length ) { target = this; - --i; + i--; } for ( ; i < length; i++ ) { @@ -377,66 +238,16 @@ jQuery.extend = jQuery.fn.extend = function() { jQuery.extend({ // Unique for each copy of jQuery on the page - // Non-digits removed to match rinlinejQuery - expando: "jQuery" + ( core_version + Math.random() ).replace( /\D/g, "" ), - - noConflict: function( deep ) { - if ( window.$ === jQuery ) { - window.$ = _$; - } - - if ( deep && window.jQuery === jQuery ) { - window.jQuery = _jQuery; - } - - return jQuery; - }, - - // Is the DOM ready to be used? Set to true once it occurs. - isReady: false, + expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ), - // A counter to track how many items to wait for before - // the ready event fires. See #6781 - readyWait: 1, + // Assume jQuery is ready without the ready module + isReady: true, - // Hold (or release) the ready event - holdReady: function( hold ) { - if ( hold ) { - jQuery.readyWait++; - } else { - jQuery.ready( true ); - } + error: function( msg ) { + throw new Error( msg ); }, - // 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; - } - - // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443). - if ( !document.body ) { - return setTimeout( jQuery.ready ); - } - - // 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 ] ); - - // Trigger any bound ready events - if ( jQuery.fn.trigger ) { - jQuery( document ).trigger("ready").off("ready"); - } - }, + noop: function() {}, // See test/unit/core.js for details concerning isFunction. // Since version 1.3, DOM methods and functions like alert @@ -455,16 +266,18 @@ jQuery.extend({ }, isNumeric: function( obj ) { - return !isNaN( parseFloat(obj) ) && isFinite( obj ); + // parseFloat NaNs numeric-cast false positives (null|true|false|"") + // ...but misinterprets leading-number strings, particularly hex literals ("0x...") + // subtraction forces infinities to NaN + return !jQuery.isArray( obj ) && obj - parseFloat( obj ) >= 0; }, - type: function( obj ) { - if ( obj == null ) { - return String( obj ); + isEmptyObject: function( obj ) { + var name; + for ( name in obj ) { + return false; } - return typeof obj === "object" || typeof obj === "function" ? - class2type[ core_toString.call(obj) ] || "object" : - typeof obj; + return true; }, isPlainObject: function( obj ) { @@ -480,8 +293,8 @@ jQuery.extend({ try { // Not own constructor property must be Object if ( obj.constructor && - !core_hasOwn.call(obj, "constructor") && - !core_hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) { + !hasOwn.call(obj, "constructor") && + !hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) { return false; } } catch ( e ) { @@ -491,9 +304,9 @@ jQuery.extend({ // Support: IE<9 // Handle iteration over inherited properties before own properties. - if ( jQuery.support.ownLast ) { + if ( support.ownLast ) { for ( key in obj ) { - return core_hasOwn.call( obj, key ); + return hasOwn.call( obj, key ); } } @@ -501,105 +314,18 @@ jQuery.extend({ // if last one is own, then all properties are own. for ( key in obj ) {} - return key === undefined || core_hasOwn.call( obj, key ); - }, - - isEmptyObject: function( obj ) { - var name; - for ( name in obj ) { - return false; - } - return true; - }, - - error: function( msg ) { - throw new Error( msg ); - }, - - // 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 - parseHTML: function( data, context, keepScripts ) { - if ( !data || typeof data !== "string" ) { - return null; - } - if ( typeof context === "boolean" ) { - keepScripts = context; - context = false; - } - context = context || document; - - var parsed = rsingleTag.exec( data ), - scripts = !keepScripts && []; - - // Single tag - if ( parsed ) { - return [ context.createElement( parsed[1] ) ]; - } - - parsed = jQuery.buildFragment( [ data ], context, scripts ); - if ( scripts ) { - jQuery( scripts ).remove(); - } - return jQuery.merge( [], parsed.childNodes ); - }, - - parseJSON: function( data ) { - // Attempt to parse using the native JSON parser first - if ( window.JSON && window.JSON.parse ) { - return window.JSON.parse( data ); - } - - if ( data === null ) { - return data; - } - - if ( typeof data === "string" ) { - - // Make sure leading/trailing whitespace is removed (IE can't handle it) - data = jQuery.trim( data ); - - if ( data ) { - // Make sure the incoming data is actual JSON - // Logic borrowed from http://json.org/json2.js - if ( rvalidchars.test( data.replace( rvalidescape, "@" ) - .replace( rvalidtokens, "]" ) - .replace( rvalidbraces, "")) ) { - - return ( new Function( "return " + data ) )(); - } - } - } - - jQuery.error( "Invalid JSON: " + data ); + return key === undefined || hasOwn.call( obj, key ); }, - // Cross-browser xml parsing - parseXML: function( data ) { - var xml, tmp; - if ( !data || typeof data !== "string" ) { - return null; - } - try { - if ( window.DOMParser ) { // Standard - tmp = new DOMParser(); - xml = tmp.parseFromString( data , "text/xml" ); - } else { // IE - xml = new ActiveXObject( "Microsoft.XMLDOM" ); - xml.async = "false"; - xml.loadXML( data ); - } - } catch( e ) { - xml = undefined; - } - if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) { - jQuery.error( "Invalid XML: " + data ); + type: function( obj ) { + if ( obj == null ) { + return obj + ""; } - return xml; + return typeof obj === "object" || typeof obj === "function" ? + class2type[ toString.call(obj) ] || "object" : + typeof obj; }, - noop: function() {}, - // Evaluates a script in a global context // Workarounds based on findings by Jim Driscoll // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context @@ -674,20 +400,12 @@ jQuery.extend({ return obj; }, - // Use native String.trim function wherever possible - trim: core_trim && !core_trim.call("\uFEFF\xA0") ? - function( text ) { - return text == null ? - "" : - core_trim.call( text ); - } : - - // Otherwise use our own trimming functionality - function( text ) { - return text == null ? - "" : - ( text + "" ).replace( rtrim, "" ); - }, + // Support: Android<4.1, IE<9 + trim: function( text ) { + return text == null ? + "" : + ( text + "" ).replace( rtrim, "" ); + }, // results is for internal usage only makeArray: function( arr, results ) { @@ -700,7 +418,7 @@ jQuery.extend({ [ arr ] : arr ); } else { - core_push.call( ret, arr ); + push.call( ret, arr ); } } @@ -711,8 +429,8 @@ jQuery.extend({ var len; if ( arr ) { - if ( core_indexOf ) { - return core_indexOf.call( arr, elem, i ); + if ( indexOf ) { + return indexOf.call( arr, elem, i ); } len = arr.length; @@ -730,15 +448,17 @@ jQuery.extend({ }, merge: function( first, second ) { - var l = second.length, - i = first.length, - j = 0; + var len = +second.length, + j = 0, + i = first.length; - if ( typeof l === "number" ) { - for ( ; j < l; j++ ) { - first[ i++ ] = second[ j ]; - } - } else { + while ( j < len ) { + first[ i++ ] = second[ j++ ]; + } + + // Support: IE<9 + // Workaround casting of .length to NaN on otherwise arraylike objects (e.g., NodeLists) + if ( len !== len ) { while ( second[j] !== undefined ) { first[ i++ ] = second[ j++ ]; } @@ -749,23 +469,23 @@ jQuery.extend({ return first; }, - grep: function( elems, callback, inv ) { - var retVal, - ret = [], + grep: function( elems, callback, invert ) { + var callbackInverse, + matches = [], i = 0, - length = elems.length; - inv = !!inv; + length = elems.length, + callbackExpect = !invert; // Go through the array, only saving the items // that pass the validator function for ( ; i < length; i++ ) { - retVal = !!callback( elems[ i ], i ); - if ( inv !== retVal ) { - ret.push( elems[ i ] ); + callbackInverse = !callback( elems[ i ], i ); + if ( callbackInverse !== callbackExpect ) { + matches.push( elems[ i ] ); } } - return ret; + return matches; }, // arg is for internal usage only @@ -776,13 +496,13 @@ jQuery.extend({ isArray = isArraylike( elems ), ret = []; - // Go through the array, translating each of the items to their + // 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 ( value != null ) { - ret[ ret.length ] = value; + ret.push( value ); } } @@ -792,13 +512,13 @@ jQuery.extend({ value = callback( elems[ i ], i, arg ); if ( value != null ) { - ret[ ret.length ] = value; + ret.push( value ); } } } // Flatten any nested arrays - return core_concat.apply( [], ret ); + return concat.apply( [], ret ); }, // A global GUID counter for objects @@ -822,9 +542,9 @@ jQuery.extend({ } // Simulated bind - args = core_slice.call( arguments, 2 ); + args = slice.call( arguments, 2 ); proxy = function() { - return fn.apply( context || this, args.concat( core_slice.call( arguments ) ) ); + return fn.apply( context || this, args.concat( slice.call( arguments ) ) ); }; // Set the guid of unique handler to the same of original handler, so it can be removed @@ -833,148 +553,15 @@ jQuery.extend({ return proxy; }, - // Multifunctional method to get and set values of a collection - // The value/s can optionally be executed if it's a function - access: function( elems, fn, key, value, chainable, emptyGet, raw ) { - var i = 0, - length = elems.length, - bulk = key == null; - - // Sets many values - if ( jQuery.type( key ) === "object" ) { - chainable = true; - for ( i in key ) { - jQuery.access( elems, fn, i, key[i], true, emptyGet, raw ); - } - - // Sets one value - } else if ( value !== undefined ) { - chainable = true; - - if ( !jQuery.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 < length; i++ ) { - fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) ); - } - } - } - - return chainable ? - elems : - - // Gets - bulk ? - fn.call( elems ) : - length ? fn( elems[0], key ) : emptyGet; - }, - now: function() { - return ( new Date() ).getTime(); + return +( new Date() ); }, - // A method for quickly swapping in/out CSS properties to get correct calculations. - // Note: this method belongs to the css module but it's needed here for the support module. - // If support gets modularized, this method should be moved back to the css module. - swap: function( elem, options, callback, args ) { - var ret, name, - old = {}; - - // Remember the old values, and insert the new ones - for ( name in options ) { - old[ name ] = elem.style[ name ]; - elem.style[ name ] = options[ name ]; - } - - ret = callback.apply( elem, args || [] ); - - // Revert the old values - for ( name in options ) { - elem.style[ name ] = old[ name ]; - } - - return ret; - } + // jQuery.support is not used in Core but other projects attach their + // properties to it so it needs to exist. + support: support }); -jQuery.ready.promise = function( obj ) { - if ( !readyList ) { - - readyList = jQuery.Deferred(); - - // 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 ); - - // Standards-based browsers support DOMContentLoaded - } else if ( document.addEventListener ) { - // Use the handy event callback - document.addEventListener( "DOMContentLoaded", completed, false ); - - // A fallback to window.onload, that will always work - window.addEventListener( "load", completed, false ); - - // If IE event model is used - } else { - // Ensure firing before onload, maybe late but safe also for iframes - document.attachEvent( "onreadystatechange", completed ); - - // A fallback to window.onload, that will always work - window.attachEvent( "onload", completed ); - - // If IE and not a frame - // continually check to see if the document is ready - var top = false; - - try { - top = window.frameElement == null && document.documentElement; - } catch(e) {} - - if ( top && top.doScroll ) { - (function doScrollCheck() { - if ( !jQuery.isReady ) { - - try { - // Use the trick by Diego Perini - // http://javascript.nwbox.com/IEContentLoaded/ - top.doScroll("left"); - } catch(e) { - return setTimeout( doScrollCheck, 50 ); - } - - // detach all dom ready events - detach(); - - // and execute any waiting functions - jQuery.ready(); - } - })(); - } - } - } - return readyList.promise( obj ); -}; - // Populate the class2type map jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) { class2type[ "[object " + name + "]" ] = name.toLowerCase(); @@ -984,7 +571,7 @@ function isArraylike( obj ) { var length = obj.length, type = jQuery.type( obj ); - if ( jQuery.isWindow( obj ) ) { + if ( type === "function" || jQuery.isWindow( obj ) ) { return false; } @@ -992,34 +579,33 @@ function isArraylike( obj ) { return true; } - return type === "array" || type !== "function" && - ( 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; } - -// All jQuery objects should point back to these -rootjQuery = jQuery(document); +var Sizzle = /*! - * Sizzle CSS Selector Engine v1.10.2 + * Sizzle CSS Selector Engine v1.10.19 * http://sizzlejs.com/ * * Copyright 2013 jQuery Foundation, Inc. and other contributors * Released under the MIT license * http://jquery.org/license * - * Date: 2013-07-03 + * Date: 2014-04-18 */ -(function( window, undefined ) { +(function( window ) { var i, support, - cachedruns, Expr, getText, isXML, + tokenize, compile, + select, outermostContext, sortInput, + hasDuplicate, // Local document vars setDocument, @@ -1039,11 +625,9 @@ var i, classCache = createCache(), tokenCache = createCache(), compilerCache = createCache(), - hasDuplicate = false, sortOrder = function( a, b ) { if ( a === b ) { hasDuplicate = true; - return 0; } return 0; }, @@ -1085,17 +669,23 @@ var i, // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier identifier = characterEncoding.replace( "w", "w#" ), - // Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors - attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace + - "*(?:([*^$|!~]?=)" + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]", - - // Prefer arguments quoted, - // then not containing pseudos/brackets, - // then attribute selectors/non-parenthetical expressions, - // then anything else - // These preferences are here to reduce the number of selectors - // needing tokenize in the PSEUDO preFilter - pseudos = ":(" + characterEncoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace( 3, 8 ) + ")*)|.*)\\)|)", + // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors + attributes = "\\[" + whitespace + "*(" + characterEncoding + ")(?:" + whitespace + + // Operator (capture 2) + "*([*^$|!~]?=)" + whitespace + + // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]" + "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + + "*\\]", + + pseudos = ":(" + characterEncoding + ")(?:\\((" + + // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: + // 1. quoted (capture 3; capture 4 or capture 5) + "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + + // 2. simple (capture 6) + "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + + // 3. anything else (capture 2) + ".*" + + ")\\)|)", // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ), @@ -1103,8 +693,7 @@ var i, rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ), - rsibling = new RegExp( whitespace + "*[+~]" ), - rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*)" + whitespace + "*\\]", "g" ), + rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ), rpseudo = new RegExp( pseudos ), ridentifier = new RegExp( "^" + identifier + "$" ), @@ -1125,14 +714,15 @@ var i, whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "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-]+))$/, - rinputs = /^(?:input|select|textarea|button)$/i, - rheader = /^h\d$/i, - + rsibling = /[+~]/, rescape = /'|\\/g, // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters @@ -1140,12 +730,12 @@ var i, funescape = function( _, escaped, escapedWhitespace ) { var high = "0x" + escaped - 0x10000; // NaN means non-codepoint - // Support: Firefox + // Support: Firefox<24 // Workaround erroneous numeric interpretation of +"0x" return high !== high || escapedWhitespace ? escaped : - // BMP codepoint high < 0 ? + // BMP codepoint String.fromCharCode( high + 0x10000 ) : // Supplemental Plane codepoint (surrogate pair) String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); @@ -1209,7 +799,7 @@ function Sizzle( selector, context, results, seed ) { if ( nodeType === 9 ) { elem = context.getElementById( m ); // Check parentNode to catch when Blackberry 4.6 returns - // nodes that are no longer in the document #6963 + // 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 @@ -1265,7 +855,7 @@ function Sizzle( selector, context, results, seed ) { while ( i-- ) { groups[i] = nid + toSelector( groups[i] ); } - newContext = rsibling.test( selector ) && context.parentNode || context; + newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context; newSelector = groups.join(","); } @@ -1300,11 +890,11 @@ function createCache() { function cache( key, value ) { // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) - if ( keys.push( key += " " ) > Expr.cacheLength ) { + if ( keys.push( key + " " ) > Expr.cacheLength ) { // Only keep the most recent entries delete cache[ keys.shift() ]; } - return (cache[ key ] = value); + return (cache[ key + " " ] = value); } return cache; } @@ -1427,8 +1017,21 @@ function createPositionalPseudo( fn ) { } /** - * Detect xml + * 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 !== strundefined && 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 @@ -1437,16 +1040,14 @@ isXML = Sizzle.isXML = function( elem ) { return documentElement ? documentElement.nodeName !== "HTML" : false; }; -// Expose support vars for convenience -support = Sizzle.support = {}; - /** * 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 doc = node ? node.ownerDocument || node : preferredDoc, + var hasCompare, + doc = node ? node.ownerDocument || node : preferredDoc, parent = doc.defaultView; // If no document and documentElement is available, return @@ -1465,10 +1066,17 @@ setDocument = Sizzle.setDocument = function( node ) { // 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.attachEvent && parent !== parent.top ) { - parent.attachEvent( "onbeforeunload", function() { - setDocument(); - }); + if ( parent && parent !== parent.top ) { + // IE11 does not have attachEvent, so all must suffer + if ( parent.addEventListener ) { + parent.addEventListener( "unload", function() { + setDocument(); + }, false ); + } else if ( parent.attachEvent ) { + parent.attachEvent( "onunload", function() { + setDocument(); + }); + } } /* Attributes @@ -1491,7 +1099,7 @@ setDocument = Sizzle.setDocument = function( node ) { }); // Check if getElementsByClassName can be trusted - support.getElementsByClassName = assert(function( div ) { + support.getElementsByClassName = rnative.test( doc.getElementsByClassName ) && assert(function( div ) { div.innerHTML = "
"; // Support: Safari<4 @@ -1518,7 +1126,7 @@ setDocument = Sizzle.setDocument = function( node ) { 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] : []; + return m && m.parentNode ? [ m ] : []; } }; Expr.filter["ID"] = function( id ) { @@ -1598,7 +1206,15 @@ setDocument = Sizzle.setDocument = function( node ) { // setting a boolean content attribute, // since its presence should be enough // http://bugs.jquery.com/ticket/12359 - div.innerHTML = ""; + div.innerHTML = ""; + + // Support: IE8, Opera 11-12.16 + // Nothing should be selected when empty strings follow ^= or $= or *= + // The test attribute must be unknown in Opera but "safe" for WinRT + // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section + if ( div.querySelectorAll("[msallowclip^='']").length ) { + rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); + } // Support: IE8 // Boolean attributes and "value" are not treated correctly @@ -1615,18 +1231,16 @@ setDocument = Sizzle.setDocument = function( node ) { }); assert(function( div ) { - - // Support: Opera 10-12/IE8 - // ^= $= *= and empty values - // Should not select anything // Support: Windows 8 Native Apps - // The type attribute is restricted during .innerHTML assignment + // The type and name attributes are restricted during .innerHTML assignment var input = doc.createElement("input"); input.setAttribute( "type", "hidden" ); - div.appendChild( input ).setAttribute( "t", "" ); + div.appendChild( input ).setAttribute( "name", "D" ); - if ( div.querySelectorAll("[t^='']").length ) { - rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); + // Support: IE8 + // Enforce case-sensitivity of name attribute + if ( div.querySelectorAll("[name=d]").length ) { + rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); } // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) @@ -1641,7 +1255,8 @@ setDocument = Sizzle.setDocument = function( node ) { }); } - if ( (support.matchesSelector = rnative.test( (matches = docElem.webkitMatchesSelector || + if ( (support.matchesSelector = rnative.test( (matches = docElem.matches || + docElem.webkitMatchesSelector || docElem.mozMatchesSelector || docElem.oMatchesSelector || docElem.msMatchesSelector) )) ) { @@ -1663,11 +1278,12 @@ setDocument = Sizzle.setDocument = function( node ) { /* Contains ---------------------------------------------------------------------- */ + hasCompare = rnative.test( docElem.compareDocumentPosition ); // Element contains another // Purposefully does not implement inclusive descendent // As in, an element does not contain itself - contains = rnative.test( docElem.contains ) || docElem.compareDocumentPosition ? + contains = hasCompare || rnative.test( docElem.contains ) ? function( a, b ) { var adown = a.nodeType === 9 ? a.documentElement : a, bup = b && b.parentNode; @@ -1692,7 +1308,7 @@ setDocument = Sizzle.setDocument = function( node ) { ---------------------------------------------------------------------- */ // Document order sorting - sortOrder = docElem.compareDocumentPosition ? + sortOrder = hasCompare ? function( a, b ) { // Flag for duplicate removal @@ -1701,34 +1317,46 @@ setDocument = Sizzle.setDocument = function( node ) { return 0; } - var compare = b.compareDocumentPosition && a.compareDocumentPosition && a.compareDocumentPosition( b ); - + // Sort on method existence if only one input has compareDocumentPosition + var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; if ( compare ) { - // Disconnected nodes - if ( compare & 1 || - (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) { + return compare; + } - // Choose the first element that is related to our preferred document - if ( a === doc || contains(preferredDoc, a) ) { - return -1; - } - if ( b === doc || contains(preferredDoc, b) ) { - return 1; - } + // 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; - // Maintain original order - return sortInput ? - ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) : - 0; + // 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; + } + if ( b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) { + return 1; } - return compare & 4 ? -1 : 1; + // Maintain original order + return sortInput ? + ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) : + 0; } - // Not directly comparable, sort on existence of method - return a.compareDocumentPosition ? -1 : 1; + 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, @@ -1736,13 +1364,8 @@ setDocument = Sizzle.setDocument = function( node ) { ap = [ a ], bp = [ b ]; - // Exit early if the nodes are identical - if ( a === b ) { - hasDuplicate = true; - return 0; - // Parentless nodes are either documents or disconnected - } else if ( !aup || !bup ) { + if ( !aup || !bup ) { return a === doc ? -1 : b === doc ? 1 : aup ? -1 : @@ -1814,7 +1437,7 @@ Sizzle.matchesSelector = function( elem, expr ) { } catch(e) {} } - return Sizzle( expr, document, null, [elem] ).length > 0; + return Sizzle( expr, document, null, [ elem ] ).length > 0; }; Sizzle.contains = function( context, elem ) { @@ -1837,13 +1460,13 @@ Sizzle.attr = function( elem, name ) { fn( elem, name, !documentIsHTML ) : undefined; - return val === undefined ? + return val !== undefined ? + val : support.attributes || !documentIsHTML ? elem.getAttribute( name ) : (val = elem.getAttributeNode(name)) && val.specified ? val.value : - null : - val; + null; }; Sizzle.error = function( msg ) { @@ -1876,6 +1499,10 @@ Sizzle.uniqueSort = function( results ) { } } + // Clear input after sorting to release objects + // See https://github.com/jquery/sizzle/pull/225 + sortInput = null; + return results; }; @@ -1891,13 +1518,13 @@ getText = Sizzle.getText = function( elem ) { if ( !nodeType ) { // If no nodeType, this is expected to be an array - for ( ; (node = elem[i]); i++ ) { + 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 (see #11153) + // innerText usage removed for consistency of new lines (jQuery #11153) if ( typeof elem.textContent === "string" ) { return elem.textContent; } else { @@ -1939,7 +1566,7 @@ Expr = Sizzle.selectors = { match[1] = match[1].replace( runescape, funescape ); // Move the given value to match[3] whether quoted or unquoted - match[3] = ( match[4] || match[5] || "" ).replace( runescape, funescape ); + match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape ); if ( match[2] === "~=" ) { match[3] = " " + match[3] + " "; @@ -1982,15 +1609,15 @@ Expr = Sizzle.selectors = { "PSEUDO": function( match ) { var excess, - unquoted = !match[5] && match[2]; + unquoted = !match[6] && match[2]; if ( matchExpr["CHILD"].test( match[0] ) ) { return null; } // Accept quoted arguments as-is - if ( match[3] && match[4] !== undefined ) { - match[2] = match[4]; + if ( match[3] ) { + match[2] = match[4] || match[5] || ""; // Strip excess characters from unquoted arguments } else if ( unquoted && rpseudo.test( unquoted ) && @@ -2294,12 +1921,11 @@ Expr = Sizzle.selectors = { // Contents "empty": function( elem ) { // http://www.w3.org/TR/selectors/#empty-pseudo - // :empty is only affected by element nodes and content nodes(including text(3), cdata(4)), - // not comment, processing instructions, or others - // Thanks to Diego Perini for the nodeName shortcut - // Greater than "@" means alpha characters (specifically not starting with "#" or "?") + // :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.nodeName > "@" || elem.nodeType === 3 || elem.nodeType === 4 ) { + if ( elem.nodeType < 6 ) { return false; } } @@ -2326,11 +1952,12 @@ Expr = Sizzle.selectors = { "text": function( elem ) { var attr; - // IE6 and 7 will map elem.type to 'text' for new HTML5 types (search, etc) - // use getAttribute instead to test this case return elem.nodeName.toLowerCase() === "input" && elem.type === "text" && - ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === elem.type ); + + // 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 @@ -2395,7 +2022,7 @@ function setFilters() {} setFilters.prototype = Expr.filters = Expr.pseudos; Expr.setFilters = new setFilters(); -function tokenize( selector, parseOnly ) { +tokenize = Sizzle.tokenize = function( selector, parseOnly ) { var matched, match, tokens, type, soFar, groups, preFilters, cached = tokenCache[ selector + " " ]; @@ -2416,7 +2043,7 @@ function tokenize( selector, parseOnly ) { // Don't consume trailing commas as valid soFar = soFar.slice( match[0].length ) || soFar; } - groups.push( tokens = [] ); + groups.push( (tokens = []) ); } matched = false; @@ -2460,7 +2087,7 @@ function tokenize( selector, parseOnly ) { Sizzle.error( selector ) : // Cache the tokens tokenCache( selector, groups ).slice( 0 ); -} +}; function toSelector( tokens ) { var i = 0, @@ -2489,8 +2116,8 @@ function addCombinator( matcher, combinator, base ) { // Check against all ancestor/preceding elements function( elem, context, xml ) { - var data, cache, outerCache, - dirkey = dirruns + " " + doneName; + 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 ) { @@ -2505,14 +2132,17 @@ function addCombinator( matcher, combinator, base ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { outerCache = elem[ expando ] || (elem[ expando ] = {}); - if ( (cache = outerCache[ dir ]) && cache[0] === dirkey ) { - if ( (data = cache[1]) === true || data === cachedruns ) { - return data === true; - } + 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 { - cache = outerCache[ dir ] = [ dirkey ]; - cache[1] = matcher( elem, context, xml ) || cachedruns; - if ( cache[1] === true ) { + // 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; } } @@ -2536,6 +2166,15 @@ function elementMatcher( matchers ) { matchers[0]; } +function multipleContexts( selector, contexts, results ) { + var i = 0, + len = contexts.length; + for ( ; i < len; i++ ) { + Sizzle( selector, contexts[i], results ); + } + return results; +} + function condense( unmatched, map, filter, context, xml ) { var elem, newUnmatched = [], @@ -2706,31 +2345,30 @@ function matcherFromTokens( tokens ) { } function matcherFromGroupMatchers( elementMatchers, setMatchers ) { - // A counter to specify which element is currently being matched - var matcherCachedRuns = 0, - bySet = setMatchers.length > 0, + var bySet = setMatchers.length > 0, byElement = elementMatchers.length > 0, - superMatcher = function( seed, context, xml, results, expandContext ) { + superMatcher = function( seed, context, xml, results, outermost ) { var elem, j, matcher, - setMatched = [], matchedCount = 0, i = "0", unmatched = seed && [], - outermost = expandContext != null, + setMatched = [], contextBackup = outermostContext, - // We must always have either seed elements or context - elems = seed || byElement && Expr.find["TAG"]( "*", expandContext && context.parentNode || context ), + // 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); + dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1), + len = elems.length; if ( outermost ) { outermostContext = context !== document && context; - cachedruns = matcherCachedRuns; } // Add elements passing elementMatchers directly to results // Keep `i` a string if there are no elements so `matchedCount` will be "00" below - for ( ; (elem = elems[i]) != null; i++ ) { + // Support: IE<9, Safari + // Tolerate NodeList properties (IE: "length"; Safari: ) matching elements by id + for ( ; i !== len && (elem = elems[i]) != null; i++ ) { if ( byElement && elem ) { j = 0; while ( (matcher = elementMatchers[j++]) ) { @@ -2741,7 +2379,6 @@ function matcherFromGroupMatchers( elementMatchers, setMatchers ) { } if ( outermost ) { dirruns = dirrunsUnique; - cachedruns = ++matcherCachedRuns; } } @@ -2806,7 +2443,7 @@ function matcherFromGroupMatchers( elementMatchers, setMatchers ) { superMatcher; } -compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) { +compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { var i, setMatchers = [], elementMatchers = [], @@ -2814,12 +2451,12 @@ compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) { if ( !cached ) { // Generate a function of recursive functions that can be used to check each element - if ( !group ) { - group = tokenize( selector ); + if ( !match ) { + match = tokenize( selector ); } - i = group.length; + i = match.length; while ( i-- ) { - cached = matcherFromTokens( group[i] ); + cached = matcherFromTokens( match[i] ); if ( cached[ expando ] ) { setMatchers.push( cached ); } else { @@ -2829,82 +2466,91 @@ compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) { // Cache the compiled function cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) ); + + // Save selector and tokenization + cached.selector = selector; } return cached; }; -function multipleContexts( selector, contexts, results ) { - var i = 0, - len = contexts.length; - for ( ; i < len; i++ ) { - Sizzle( selector, contexts[i], results ); - } - return results; -} - -function select( selector, context, results, seed ) { +/** + * 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, - match = tokenize( selector ); + compiled = typeof selector === "function" && selector, + match = !seed && tokenize( (selector = compiled.selector || selector) ); - if ( !seed ) { - // Try to minimize operations if there is only one group - if ( match.length === 1 ) { + results = results || []; - // 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 ] ) { + // Try to minimize operations if there is no seed and only one group + if ( match.length === 1 ) { - context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0]; - if ( !context ) { - return results; - } - selector = selector.slice( tokens.shift().value.length ); + // 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 ] ) { + + 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; } - // Fetch a seed set for right-to-left matching - i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; - while ( i-- ) { - token = tokens[i]; + selector = selector.slice( tokens.shift().value.length ); + } - // 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 ) && 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; - } + // Fetch a seed set for right-to-left matching + i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; + while ( i-- ) { + token = tokens[i]; - break; + // 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; } } } } - // Compile and execute a filtering function + // Compile and execute a filtering function if one is not provided // Provide `match` to avoid retokenization if we modified the selector above - compile( selector, match )( + ( compiled || compile( selector, match ) )( seed, context, !documentIsHTML, results, - rsibling.test( selector ) + rsibling.test( selector ) && testContext( context.parentNode ) || context ); return results; -} +}; // One-time assignments @@ -2913,7 +2559,7 @@ support.sortStable = expando.split("").sort( sortOrder ).join("") === expando; // Support: Chrome<14 // Always assume duplicates if they aren't passed to the comparison function -support.detectDuplicates = hasDuplicate; +support.detectDuplicates = !!hasDuplicate; // Initialize against the default document setDocument(); @@ -2961,13 +2607,20 @@ if ( !assert(function( div ) { addHandle( booleans, function( elem, name, isXML ) { var val; if ( !isXML ) { - return (val = elem.getAttributeNode( name )) && val.specified ? - val.value : - elem[ name ] === true ? name.toLowerCase() : null; + return elem[ name ] === true ? name.toLowerCase() : + (val = elem.getAttributeNode( name )) && val.specified ? + val.value : + null; } }); } +return Sizzle; + +})( window ); + + + jQuery.find = Sizzle; jQuery.expr = Sizzle.selectors; jQuery.expr[":"] = jQuery.expr.pseudos; @@ -2977,54 +2630,472 @@ jQuery.isXMLDoc = Sizzle.isXML; jQuery.contains = Sizzle.contains; -})( window ); -// String to Object options format cache -var optionsCache = {}; -// Convert String-formatted options into Object-formatted ones and store in cache -function createOptions( options ) { - var object = optionsCache[ options ] = {}; - jQuery.each( options.match( core_rnotwhite ) || [], function( _, flag ) { - object[ flag ] = true; - }); - return object; -} +var rneedsContext = jQuery.expr.match.needsContext; -/* - * 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 ) { +var rsingleTag = (/^<(\w+)\s*\/?>(?:<\/\1>|)$/); - // 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 // 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 + +var risSimple = /^.[^:#\[\.,]*$/; + +// 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; + }); + + } + + if ( qualifier.nodeType ) { + return jQuery.grep( elements, function( elem ) { + return ( elem === qualifier ) !== not; + }); + + } + + if ( typeof qualifier === "string" ) { + if ( risSimple.test( qualifier ) ) { + return jQuery.filter( qualifier, elements, not ); + } + + qualifier = jQuery.filter( qualifier, elements ); + } + + return jQuery.grep( elements, function( elem ) { + return ( jQuery.inArray( elem, qualifier ) >= 0 ) !== not; + }); +} + +jQuery.filter = function( expr, elems, not ) { + var elem = elems[ 0 ]; + + if ( not ) { + expr = ":not(" + expr + ")"; + } + + 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, + ret = [], + self = this, + len = self.length; + + 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; + } + } + }) ); + } + + for ( i = 0; i < len; i++ ) { + jQuery.find( selector, self[ i ], ret ); + } + + // 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 $("p:first").is("p:last") won't return true for a doc with two "p". + typeof selector === "string" && rneedsContext.test( selector ) ? + jQuery( selector ) : + selector || [], + false + ).length; + } +}); + + +// Initialize a jQuery object + + +// A central reference to the root jQuery(document) +var rootjQuery, + + // Use the correct document accordingly with window argument (sandbox) + document = window.document, + + // A simple way to check for HTML strings + // Prioritize #id over to avoid XSS via location.hash (#9521) + // Strict HTML recognition (#11290: must start with <) + rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/, + + init = jQuery.fn.init = function( selector, context ) { + var match, elem; + + // HANDLE: $(""), $(null), $(undefined), $(false) + if ( !selector ) { + return this; + } + + // Handle HTML strings + if ( typeof selector === "string" ) { + if ( selector.charAt(0) === "<" && selector.charAt( 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; + + // 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 ( jQuery.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] ); + + // Check parentNode to catch when Blackberry 4.6 returns + // nodes that are no longer in the document #6963 + if ( elem && elem.parentNode ) { + // Handle the case where IE and Opera return items + // by name instead of ID + if ( elem.id !== match[2] ) { + return rootjQuery.find( selector ); + } + + // Otherwise, we inject the element directly into the jQuery object + this.length = 1; + this[0] = elem; + } + + this.context = document; + this.selector = selector; + return this; + } + + // HANDLE: $(expr, $(...)) + } else if ( !context || context.jquery ) { + return ( context || rootjQuery ).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.context = this[0] = selector; + this.length = 1; + return this; + + // 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 ); + } + + if ( selector.selector !== undefined ) { + this.selector = selector.selector; + this.context = selector.context; + } + + 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.extend({ + dir: function( elem, dir, until ) { + var matched = [], + cur = elem[ dir ]; + + while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) { + if ( cur.nodeType === 1 ) { + matched.push( cur ); + } + cur = cur[dir]; + } + return matched; + }, + + sibling: function( n, elem ) { + var r = []; + + for ( ; n; n = n.nextSibling ) { + if ( n.nodeType === 1 && n !== elem ) { + r.push( n ); + } + } + + return r; + } +}); + +jQuery.fn.extend({ + has: function( target ) { + var i, + targets = jQuery( target, this ), + len = targets.length; + + return this.filter(function() { + for ( i = 0; i < len; i++ ) { + if ( jQuery.contains( this, targets[i] ) ) { + return true; + } + } + }); + }, + + 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)) ) { + + matched.push( cur ); + break; + } + } + } + + return this.pushStack( matched.length > 1 ? jQuery.unique( matched ) : matched ); + }, + + // Determine the position of an element within + // the matched set of elements + 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 jQuery.inArray( this[0], jQuery( elem ) ); + } + + // Locate the position of the desired element + return jQuery.inArray( + // If it receives a jQuery object, the first element is used + elem.jquery ? elem[0] : elem, this ); + }, + + add: function( selector, context ) { + return this.pushStack( + jQuery.unique( + 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 ) { + do { + cur = cur[ dir ]; + } while ( cur && 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 jQuery.nodeName( elem, "iframe" ) ? + elem.contentDocument || elem.contentWindow.document : + jQuery.merge( [], elem.childNodes ); + } +}, function( name, fn ) { + jQuery.fn[ name ] = function( until, selector ) { + var ret = jQuery.map( this, fn, until ); + + if ( name.slice( -5 ) !== "Until" ) { + selector = until; + } + + if ( selector && typeof selector === "string" ) { + ret = jQuery.filter( selector, ret ); + } + + if ( this.length > 1 ) { + // Remove duplicates + if ( !guaranteedUnique[ name ] ) { + ret = jQuery.unique( ret ); + } + + // Reverse order for parents* and prev-derivatives + if ( rparentsprev.test( name ) ) { + ret = ret.reverse(); + } + } + + return this.pushStack( ret ); + }; +}); +var rnotwhite = (/\S+/g); + + + +// String to Object options format cache +var optionsCache = {}; + +// 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; +} + +/* + * 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 // 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, // End of the loop when firing firingLength, @@ -3101,7 +3172,7 @@ jQuery.Callbacks = function( options ) { if ( list ) { jQuery.each( arguments, function( _, arg ) { var index; - while( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { + while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { list.splice( index, 1 ); // Handle firing indexes if ( firing ) { @@ -3175,6 +3246,8 @@ jQuery.Callbacks = function( options ) { return self; }; + + jQuery.extend({ Deferred: function( func ) { @@ -3197,8 +3270,7 @@ jQuery.extend({ var fns = arguments; return jQuery.Deferred(function( newDefer ) { jQuery.each( tuples, function( i, tuple ) { - var action = tuple[ 0 ], - fn = jQuery.isFunction( fns[ i ] ) && fns[ i ]; + 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 ); @@ -3208,7 +3280,7 @@ jQuery.extend({ .fail( newDefer.reject ) .progress( newDefer.notify ); } else { - newDefer[ action + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments ); + newDefer[ tuple[ 0 ] + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments ); } }); }); @@ -3267,7 +3339,7 @@ jQuery.extend({ // Deferred helper when: function( subordinate /* , ..., subordinateN */ ) { var i = 0, - resolveValues = core_slice.call( arguments ), + resolveValues = slice.call( arguments ), length = resolveValues.length, // the count of uncompleted subordinates @@ -3280,10 +3352,11 @@ jQuery.extend({ updateFunc = function( i, contexts, values ) { return function( value ) { contexts[ i ] = this; - values[ i ] = arguments.length > 1 ? core_slice.call( arguments ) : value; - if( values === progressValues ) { + values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; + if ( values === progressValues ) { deferred.notifyWith( contexts, values ); - } else if ( !( --remaining ) ) { + + } else if ( !(--remaining) ) { deferred.resolveWith( contexts, values ); } }; @@ -3316,256 +3389,296 @@ jQuery.extend({ return deferred.promise(); } }); -jQuery.support = (function( support ) { - var all, a, input, select, fragment, opt, eventName, isSupported, i, - div = document.createElement("div"); - // Setup - div.setAttribute( "className", "t" ); - div.innerHTML = "
a"; +// The deferred used on DOM ready +var readyList; - // Finish early in limited (non-browser) environments - all = div.getElementsByTagName("*") || []; - a = div.getElementsByTagName("a")[ 0 ]; - if ( !a || !a.style || !all.length ) { - return support; - } +jQuery.fn.ready = function( fn ) { + // Add the callback + jQuery.ready.promise().done( fn ); - // First batch of tests - select = document.createElement("select"); - opt = select.appendChild( document.createElement("option") ); - input = div.getElementsByTagName("input")[ 0 ]; + return this; +}; - a.style.cssText = "top:1px;float:left;opacity:.5"; +jQuery.extend({ + // Is the DOM ready to be used? Set to true once it occurs. + isReady: false, - // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7) - support.getSetAttribute = div.className !== "t"; + // A counter to track how many items to wait for before + // the ready event fires. See #6781 + readyWait: 1, - // IE strips leading whitespace when .innerHTML is used - support.leadingWhitespace = div.firstChild.nodeType === 3; + // Hold (or release) the ready event + holdReady: function( hold ) { + if ( hold ) { + jQuery.readyWait++; + } else { + jQuery.ready( true ); + } + }, - // Make sure that tbody elements aren't automatically inserted - // IE will insert them into empty tables - support.tbody = !div.getElementsByTagName("tbody").length; + // Handle when the DOM is ready + ready: function( wait ) { - // Make sure that link elements get serialized correctly by innerHTML - // This requires a wrapper element in IE - support.htmlSerialize = !!div.getElementsByTagName("link").length; + // Abort if there are pending holds or we're already ready + if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { + return; + } - // Get the style information from getAttribute - // (IE uses .cssText instead) - support.style = /top/.test( a.getAttribute("style") ); + // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443). + if ( !document.body ) { + return setTimeout( jQuery.ready ); + } - // Make sure that URLs aren't manipulated - // (IE normalizes it by default) - support.hrefNormalized = a.getAttribute("href") === "/a"; + // Remember that the DOM is ready + jQuery.isReady = true; - // Make sure that element opacity exists - // (IE uses filter instead) - // Use a regex to work around a WebKit issue. See #5145 - support.opacity = /^0.5/.test( a.style.opacity ); + // If a normal DOM Ready event fired, decrement, and wait if need be + if ( wait !== true && --jQuery.readyWait > 0 ) { + return; + } - // Verify style float existence - // (IE uses styleFloat instead of cssFloat) - support.cssFloat = !!a.style.cssFloat; + // If there are functions bound, to execute + readyList.resolveWith( document, [ jQuery ] ); - // Check the default checkbox/radio value ("" on WebKit; "on" elsewhere) - support.checkOn = !!input.value; + // Trigger any bound ready events + if ( jQuery.fn.triggerHandler ) { + jQuery( document ).triggerHandler( "ready" ); + jQuery( document ).off( "ready" ); + } + } +}); - // Make sure that a selected-by-default option has a working selected property. - // (WebKit defaults to false instead of true, IE too, if it's in an optgroup) - support.optSelected = opt.selected; +/** + * Clean-up method for dom ready events + */ +function detach() { + if ( document.addEventListener ) { + document.removeEventListener( "DOMContentLoaded", completed, false ); + window.removeEventListener( "load", completed, false ); - // Tests for enctype support on a form (#6743) - support.enctype = !!document.createElement("form").enctype; + } else { + document.detachEvent( "onreadystatechange", completed ); + window.detachEvent( "onload", completed ); + } +} - // Makes sure cloning an html5 element does not cause problems - // Where outerHTML is undefined, this still works - support.html5Clone = document.createElement("nav").cloneNode( true ).outerHTML !== "<:nav>"; +/** + * The ready event handler and self cleanup method + */ +function completed() { + // readyState === "complete" is good enough for us to call the dom ready in oldIE + if ( document.addEventListener || event.type === "load" || document.readyState === "complete" ) { + detach(); + jQuery.ready(); + } +} - // Will be defined later - support.inlineBlockNeedsLayout = false; - support.shrinkWrapBlocks = false; - support.pixelPosition = false; - support.deleteExpando = true; - support.noCloneEvent = true; - support.reliableMarginRight = true; - support.boxSizingReliable = true; +jQuery.ready.promise = function( obj ) { + if ( !readyList ) { - // Make sure checked status is properly cloned - input.checked = true; - support.noCloneChecked = input.cloneNode( true ).checked; + readyList = jQuery.Deferred(); - // Make sure that the options inside disabled selects aren't marked as disabled - // (WebKit marks them as disabled) - select.disabled = true; - support.optDisabled = !opt.disabled; + // 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 ); - // Support: IE<9 - try { - delete div.test; - } catch( e ) { - support.deleteExpando = false; - } + // Standards-based browsers support DOMContentLoaded + } else if ( document.addEventListener ) { + // Use the handy event callback + document.addEventListener( "DOMContentLoaded", completed, false ); - // Check if we can trust getAttribute("value") - input = document.createElement("input"); - input.setAttribute( "value", "" ); - support.input = input.getAttribute( "value" ) === ""; + // A fallback to window.onload, that will always work + window.addEventListener( "load", completed, false ); - // Check if an input maintains its value after becoming a radio - input.value = "t"; - input.setAttribute( "type", "radio" ); - support.radioValue = input.value === "t"; + // If IE event model is used + } else { + // Ensure firing before onload, maybe late but safe also for iframes + document.attachEvent( "onreadystatechange", completed ); - // #11217 - WebKit loses check when the name is after the checked attribute - input.setAttribute( "checked", "t" ); - input.setAttribute( "name", "t" ); + // A fallback to window.onload, that will always work + window.attachEvent( "onload", completed ); - fragment = document.createDocumentFragment(); - fragment.appendChild( input ); + // If IE and not a frame + // continually check to see if the document is ready + var top = false; - // Check if a disconnected checkbox will retain its checked - // value of true after appended to the DOM (IE6/7) - support.appendChecked = input.checked; + try { + top = window.frameElement == null && document.documentElement; + } catch(e) {} - // WebKit doesn't clone checked state correctly in fragments - support.checkClone = fragment.cloneNode( true ).cloneNode( true ).lastChild.checked; + if ( top && top.doScroll ) { + (function doScrollCheck() { + if ( !jQuery.isReady ) { - // Support: IE<9 - // Opera does not clone events (and typeof div.attachEvent === undefined). - // IE9-10 clones events bound via attachEvent, but they don't trigger with .click() - if ( div.attachEvent ) { - div.attachEvent( "onclick", function() { - support.noCloneEvent = false; - }); + try { + // Use the trick by Diego Perini + // http://javascript.nwbox.com/IEContentLoaded/ + top.doScroll("left"); + } catch(e) { + return setTimeout( doScrollCheck, 50 ); + } - div.cloneNode( true ).click(); + // detach all dom ready events + detach(); + + // and execute any waiting functions + jQuery.ready(); + } + })(); + } + } } + return readyList.promise( obj ); +}; - // Support: IE<9 (lack submit/change bubble), Firefox 17+ (lack focusin event) - // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP) - for ( i in { submit: true, change: true, focusin: true }) { - div.setAttribute( eventName = "on" + i, "t" ); - support[ i + "Bubbles" ] = eventName in window || div.attributes[ eventName ].expando === false; - } +var strundefined = typeof undefined; - div.style.backgroundClip = "content-box"; - div.cloneNode( true ).style.backgroundClip = ""; - support.clearCloneStyle = div.style.backgroundClip === "content-box"; - // Support: IE<9 - // Iteration over object's inherited properties before its own. - for ( i in jQuery( support ) ) { - break; + +// Support: IE<9 +// Iteration over object's inherited properties before its own +var i; +for ( i in jQuery( support ) ) { + break; +} +support.ownLast = i !== "0"; + +// Note: most support tests are defined in their respective modules. +// false until the test is run +support.inlineBlockNeedsLayout = false; + +// Execute ASAP in case we need to set body.style.zoom +jQuery(function() { + // Minified: var a,b,c,d + var val, div, body, container; + + body = document.getElementsByTagName( "body" )[ 0 ]; + if ( !body || !body.style ) { + // Return for frameset docs that don't have a body + return; + } + + // Setup + div = document.createElement( "div" ); + container = document.createElement( "div" ); + container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px"; + body.appendChild( container ).appendChild( div ); + + if ( typeof div.style.zoom !== strundefined ) { + // Support: IE<8 + // Check if natively block-level elements act like inline-block + // elements when setting their display to 'inline' and giving + // them layout + div.style.cssText = "display:inline;margin:0;border:0;padding:1px;width:1px;zoom:1"; + + support.inlineBlockNeedsLayout = val = div.offsetWidth === 3; + if ( val ) { + // Prevent IE 6 from affecting layout for positioned elements #11048 + // Prevent IE from shrinking the body in IE 7 mode #12869 + // Support: IE<8 + body.style.zoom = 1; + } } - support.ownLast = i !== "0"; - // Run tests that need a body at doc ready - jQuery(function() { - var container, marginDiv, tds, - divReset = "padding:0;margin:0;border:0;display:block;box-sizing:content-box;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;", - body = document.getElementsByTagName("body")[0]; + body.removeChild( container ); +}); - if ( !body ) { - // Return for frameset docs that don't have a body - return; + + + +(function() { + var div = document.createElement( "div" ); + + // Execute the test only if not already executed in another module. + if (support.deleteExpando == null) { + // Support: IE<9 + support.deleteExpando = true; + try { + delete div.test; + } catch( e ) { + support.deleteExpando = false; } + } - container = document.createElement("div"); - container.style.cssText = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px"; + // Null elements to avoid leaks in IE. + div = null; +})(); + + +/** + * Determines whether an object can have data + */ +jQuery.acceptData = function( elem ) { + var noData = jQuery.noData[ (elem.nodeName + " ").toLowerCase() ], + nodeType = +elem.nodeType || 1; - body.appendChild( container ).appendChild( div ); + // Do not set data on non-element DOM nodes because it will not be cleared (#8335). + return nodeType !== 1 && nodeType !== 9 ? + false : - // Support: IE8 - // Check if table cells still have offsetWidth/Height when they are set - // to display:none and there are still other visible table cells in a - // table row; if so, offsetWidth/Height are not reliable for use when - // determining if an element has been hidden directly using - // display:none (it is still safe to use offsets if a parent element is - // hidden; don safety goggles and see bug #4512 for more information). - div.innerHTML = "
t
"; - tds = div.getElementsByTagName("td"); - tds[ 0 ].style.cssText = "padding:0;margin:0;border:0;display:none"; - isSupported = ( tds[ 0 ].offsetHeight === 0 ); + // Nodes accept data unless otherwise specified; rejection can be conditional + !noData || noData !== true && elem.getAttribute("classid") === noData; +}; - tds[ 0 ].style.display = ""; - tds[ 1 ].style.display = "none"; - // Support: IE8 - // Check if empty table cells still have offsetWidth/Height - support.reliableHiddenOffsets = isSupported && ( tds[ 0 ].offsetHeight === 0 ); +var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, + rmultiDash = /([A-Z])/g; - // Check box-sizing and margin behavior. - div.innerHTML = ""; - div.style.cssText = "box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;padding:1px;border:1px;display:block;width:4px;margin-top:1%;position:absolute;top:1%;"; +function dataAttr( elem, key, data ) { + // If nothing was found internally, try to fetch any + // data from the HTML5 data-* attribute + if ( data === undefined && elem.nodeType === 1 ) { - // Workaround failing boxSizing test due to offsetWidth returning wrong value - // with some non-1 values of body zoom, ticket #13543 - jQuery.swap( body, body.style.zoom != null ? { zoom: 1 } : {}, function() { - support.boxSizing = div.offsetWidth === 4; - }); + var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase(); - // Use window.getComputedStyle because jsdom on node.js will break without it. - if ( window.getComputedStyle ) { - support.pixelPosition = ( window.getComputedStyle( div, null ) || {} ).top !== "1%"; - support.boxSizingReliable = ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px"; + data = elem.getAttribute( name ); - // Check if div with explicit width and no margin-right incorrectly - // gets computed margin-right based on width of container. (#3333) - // Fails in WebKit before Feb 2011 nightlies - // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right - marginDiv = div.appendChild( document.createElement("div") ); - marginDiv.style.cssText = div.style.cssText = divReset; - marginDiv.style.marginRight = marginDiv.style.width = "0"; - div.style.width = "1px"; + 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 ) {} - support.reliableMarginRight = - !parseFloat( ( window.getComputedStyle( marginDiv, null ) || {} ).marginRight ); - } + // Make sure we set the data so it isn't changed later + jQuery.data( elem, key, data ); - if ( typeof div.style.zoom !== core_strundefined ) { - // Support: IE<8 - // Check if natively block-level elements act like inline-block - // elements when setting their display to 'inline' and giving - // them layout - div.innerHTML = ""; - div.style.cssText = divReset + "width:1px;padding:1px;display:inline;zoom:1"; - support.inlineBlockNeedsLayout = ( div.offsetWidth === 3 ); - - // Support: IE6 - // Check if elements with layout shrink-wrap their children - div.style.display = "block"; - div.innerHTML = "
"; - div.firstChild.style.width = "5px"; - support.shrinkWrapBlocks = ( div.offsetWidth !== 3 ); - - if ( support.inlineBlockNeedsLayout ) { - // Prevent IE 6 from affecting layout for positioned elements #11048 - // Prevent IE from shrinking the body in IE 7 mode #12869 - // Support: IE<8 - body.style.zoom = 1; - } + } else { + data = undefined; } + } - body.removeChild( container ); - - // Null elements to avoid leaks in IE - container = div = tds = marginDiv = null; - }); + return data; +} - // Null elements to avoid leaks in IE - all = select = fragment = opt = a = input = null; +// checks a cache object for emptiness +function isEmptyDataObject( obj ) { + var name; + for ( name in obj ) { - return support; -})({}); + // if the public data object is empty, the private is still empty + if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) { + continue; + } + if ( name !== "toJSON" ) { + return false; + } + } -var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/, - rmultiDash = /([A-Z])/g; + return true; +} -function internalData( elem, name, data, pvt /* Internal Use Only */ ){ +function internalData( elem, name, data, pvt /* Internal Use Only */ ) { if ( !jQuery.acceptData( elem ) ) { return; } @@ -3595,7 +3708,7 @@ function internalData( elem, name, data, pvt /* Internal Use Only */ ){ // Only DOM nodes need a new unique ID for each element since their data // ends up in the global cache if ( isNode ) { - id = elem[ internalKey ] = core_deletedIds.pop() || jQuery.guid++; + id = elem[ internalKey ] = deletedIds.pop() || jQuery.guid++; } else { id = internalKey; } @@ -3734,7 +3847,7 @@ function internalRemoveData( elem, name, pvt ) { // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080) /* jshint eqeqeq: false */ - } else if ( jQuery.support.deleteExpando || cache != cache.window ) { + } else if ( support.deleteExpando || cache != cache.window ) { /* jshint eqeqeq: true */ delete cache[ id ]; @@ -3747,13 +3860,13 @@ function internalRemoveData( elem, name, pvt ) { jQuery.extend({ cache: {}, - // The following elements throw uncatchable exceptions if you - // attempt to add expando properties to them. + // The following elements (space-suffixed to avoid Object.prototype collisions) + // throw uncatchable exceptions if you attempt to set expando properties noData: { - "applet": true, - "embed": true, - // Ban all objects except for Flash (which handle expandos) - "object": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" + "applet ": true, + "embed ": true, + // ...but Flash objects (which have this classid) *can* handle expandos + "object ": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" }, hasData: function( elem ) { @@ -3776,28 +3889,14 @@ jQuery.extend({ _removeData: function( elem, name ) { return internalRemoveData( elem, name, true ); - }, - - // A method for determining if a DOM node can handle the data expando - acceptData: function( elem ) { - // Do not set data on non-element because it will not be cleared (#8335). - if ( elem.nodeType && elem.nodeType !== 1 && elem.nodeType !== 9 ) { - return false; - } - - var noData = elem.nodeName && jQuery.noData[ elem.nodeName.toLowerCase() ]; - - // nodes accept data unless otherwise specified; rejection can be conditional - return !noData || noData !== true && elem.getAttribute("classid") === noData; } }); jQuery.fn.extend({ data: function( key, value ) { - var attrs, name, - data = null, - i = 0, - elem = this[0]; + var i, name, data, + elem = this[0], + attrs = elem && elem.attributes; // Special expections of .data basically thwart jQuery.access, // so implement the relevant behavior ourselves @@ -3808,14 +3907,17 @@ jQuery.fn.extend({ data = jQuery.data( elem ); if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) { - attrs = elem.attributes; - for ( ; i < attrs.length; i++ ) { - name = attrs[i].name; - - if ( name.indexOf("data-") === 0 ) { - name = jQuery.camelCase( name.slice(5) ); + i = attrs.length; + while ( i-- ) { - dataAttr( elem, name, data[ name ] ); + // 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 ] ); + } } } jQuery._data( elem, "parsedAttrs", true ); @@ -3841,7 +3943,7 @@ jQuery.fn.extend({ // Gets one value // Try to fetch any internally stored data first - elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : null; + elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : undefined; }, removeData: function( key ) { @@ -3851,53 +3953,7 @@ jQuery.fn.extend({ } }); -function dataAttr( elem, key, data ) { - // If nothing was found internally, try to fetch any - // data from the HTML5 data-* attribute - if ( data === undefined && elem.nodeType === 1 ) { - - var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase(); - - data = elem.getAttribute( name ); - - 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 - jQuery.data( elem, key, data ); - - } else { - data = undefined; - } - } - - return data; -} - -// checks a cache object for emptiness -function isEmptyDataObject( obj ) { - var name; - for ( name in obj ) { - - // if the public data object is empty, the private is still empty - if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) { - continue; - } - if ( name !== "toJSON" ) { - return false; - } - } - return true; -} jQuery.extend({ queue: function( elem, type, data ) { var queue; @@ -3997,5605 +4053,5989 @@ jQuery.fn.extend({ jQuery.dequeue( this, type ); }); }, - // Based off of the plugin by Clint Helfers, with permission. - // http://blindsignals.com/index.php/2009/07/jquery-delay/ - delay: function( time, type ) { - time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time; + 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"; - return this.queue( type, function( next, hooks ) { - var timeout = setTimeout( next, time ); - hooks.stop = function() { - clearTimeout( timeout ); - }; - }); - }, - 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 ] ); - } - }; + while ( i-- ) { + tmp = jQuery._data( 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 ); + }; + + + +// 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, + length = elems.length, + bulk = key == null; + + // Sets many values + if ( jQuery.type( key ) === "object" ) { + chainable = true; + for ( i in key ) { + jQuery.access( elems, fn, i, key[i], true, emptyGet, raw ); + } + + // Sets one value + } else if ( value !== undefined ) { + chainable = true; + + if ( !jQuery.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 < length; i++ ) { + fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) ); + } + } + } + + return chainable ? + elems : + + // Gets + bulk ? + fn.call( elems ) : + length ? fn( elems[0], key ) : emptyGet; +}; +var rcheckableType = (/^(?:checkbox|radio)$/i); + + + +(function() { + // Minified: var a,b,c + var input = document.createElement( "input" ), + div = document.createElement( "div" ), + fragment = document.createDocumentFragment(); + + // Setup + div.innerHTML = "
a"; + + // IE strips leading whitespace when .innerHTML is used + support.leadingWhitespace = div.firstChild.nodeType === 3; + + // Make sure that tbody elements aren't automatically inserted + // IE will insert them into empty tables + support.tbody = !div.getElementsByTagName( "tbody" ).length; + + // Make sure that link elements get serialized correctly by innerHTML + // This requires a wrapper element in IE + support.htmlSerialize = !!div.getElementsByTagName( "link" ).length; + + // Makes sure cloning an html5 element does not cause problems + // Where outerHTML is undefined, this still works + support.html5Clone = + document.createElement( "nav" ).cloneNode( true ).outerHTML !== "<:nav>"; + + // Check if a disconnected checkbox will retain its checked + // value of true after appended to the DOM (IE6/7) + input.type = "checkbox"; + input.checked = true; + fragment.appendChild( input ); + support.appendChecked = input.checked; + + // Make sure textarea (and checkbox) defaultValue is properly cloned + // Support: IE6-IE11+ + div.innerHTML = ""; + support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue; + + // #11217 - WebKit loses check when the name is after the checked attribute + fragment.appendChild( div ); + div.innerHTML = ""; + + // Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3 + // old WebKit doesn't clone checked state correctly in fragments + support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked; + + // Support: IE<9 + // Opera does not clone events (and typeof div.attachEvent === undefined). + // IE9-10 clones events bound via attachEvent, but they don't trigger with .click() + support.noCloneEvent = true; + if ( div.attachEvent ) { + div.attachEvent( "onclick", function() { + support.noCloneEvent = false; + }); + + div.cloneNode( true ).click(); + } + + // Execute the test only if not already executed in another module. + if (support.deleteExpando == null) { + // Support: IE<9 + support.deleteExpando = true; + try { + delete div.test; + } catch( e ) { + support.deleteExpando = false; + } + } +})(); + + +(function() { + var i, eventName, + div = document.createElement( "div" ); + + // Support: IE<9 (lack submit/change bubble), Firefox 23+ (lack focusin event) + for ( i in { submit: true, change: true, focusin: true }) { + eventName = "on" + i; + + if ( !(support[ i + "Bubbles" ] = eventName in window) ) { + // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP) + div.setAttribute( eventName, "t" ); + support[ i + "Bubbles" ] = div.attributes[ eventName ].expando === false; + } + } + + // Null elements to avoid leaks in IE. + div = null; +})(); + + +var rformElems = /^(?:input|select|textarea)$/i, + rkeyEvent = /^key/, + rmouseEvent = /^(?:mouse|pointer|contextmenu)|click/, + rfocusMorph = /^(?:focusinfocus|focusoutblur)$/, + rtypenamespace = /^([^.]*)(?:\.(.+)|)$/; + +function returnTrue() { + return true; +} + +function returnFalse() { + return false; +} + +function safeActiveElement() { + try { + return document.activeElement; + } catch ( err ) { } +} + +/* + * Helper functions for managing events -- not part of the public interface. + * Props to Dean Edwards' addEvent library for many of the ideas. + */ +jQuery.event = { + + global: {}, - if ( typeof type !== "string" ) { - obj = type; - type = undefined; + add: function( elem, types, handler, data, selector ) { + var tmp, events, t, handleObjIn, + special, eventHandle, handleObj, + handlers, type, namespaces, origType, + elemData = jQuery._data( elem ); + + // Don't attach events to noData or text/comment nodes (but allow plain objects) + if ( !elemData ) { + return; } - type = type || "fx"; - while( i-- ) { - tmp = jQuery._data( elements[ i ], type + "queueHooks" ); - if ( tmp && tmp.empty ) { - count++; - tmp.empty.add( resolve ); - } + // Caller can pass in an object of custom data in lieu of the handler + if ( handler.handler ) { + handleObjIn = handler; + handler = handleObjIn.handler; + selector = handleObjIn.selector; } - resolve(); - return defer.promise( obj ); - } -}); -var nodeHook, boolHook, - rclass = /[\t\r\n\f]/g, - rreturn = /\r/g, - rfocusable = /^(?:input|select|textarea|button|object)$/i, - rclickable = /^(?:a|area)$/i, - ruseDefault = /^(?:checked|selected)$/i, - getSetAttribute = jQuery.support.getSetAttribute, - getSetInput = jQuery.support.input; -jQuery.fn.extend({ - attr: function( name, value ) { - return jQuery.access( this, jQuery.attr, name, value, arguments.length > 1 ); - }, + // Make sure that the handler has a unique ID, used to find/remove it later + if ( !handler.guid ) { + handler.guid = jQuery.guid++; + } - removeAttr: function( name ) { - return this.each(function() { - jQuery.removeAttr( this, name ); - }); - }, + // 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 && (!e || jQuery.event.triggered !== e.type) ? + jQuery.event.dispatch.apply( eventHandle.elem, arguments ) : + undefined; + }; + // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events + eventHandle.elem = elem; + } - prop: function( name, value ) { - return jQuery.access( this, jQuery.prop, name, value, arguments.length > 1 ); - }, + // 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(); - removeProp: function( name ) { - name = jQuery.propFix[ name ] || name; - return this.each(function() { - // try/catch handles cases where IE balks (such as removing a property on window) - try { - this[ name ] = undefined; - delete this[ name ]; - } catch( e ) {} - }); - }, + // There *must* be a type, no attaching namespace-only handlers + if ( !type ) { + continue; + } - addClass: function( value ) { - var classes, elem, cur, clazz, j, - i = 0, - len = this.length, - proceed = typeof value === "string" && value; + // If event changes its type, use the special event handlers for the changed type + special = jQuery.event.special[ type ] || {}; - if ( jQuery.isFunction( value ) ) { - return this.each(function( j ) { - jQuery( this ).addClass( value.call( this, j, this.className ) ); - }); - } + // If selector defined, determine special event api type, otherwise given type + type = ( selector ? special.delegateType : special.bindType ) || type; - if ( proceed ) { - // The disjunction here is for better compressibility (see removeClass) - classes = ( value || "" ).match( core_rnotwhite ) || []; + // Update special based on newly reset type + special = jQuery.event.special[ type ] || {}; - for ( ; i < len; i++ ) { - elem = this[ i ]; - cur = elem.nodeType === 1 && ( elem.className ? - ( " " + elem.className + " " ).replace( rclass, " " ) : - " " - ); + // 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 ); - if ( cur ) { - j = 0; - while ( (clazz = classes[j++]) ) { - if ( cur.indexOf( " " + clazz + " " ) < 0 ) { - cur += clazz + " "; - } + // Init the event handler queue if we're the first + if ( !(handlers = events[ type ]) ) { + handlers = events[ type ] = []; + handlers.delegateCount = 0; + + // Only use addEventListener/attachEvent if the special events handler returns false + if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) { + // Bind the global event handler to the element + if ( elem.addEventListener ) { + elem.addEventListener( type, eventHandle, false ); + + } else if ( elem.attachEvent ) { + elem.attachEvent( "on" + type, eventHandle ); } - elem.className = jQuery.trim( cur ); + } + } + 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; } - return this; + // Nullify elem to prevent memory leaks in IE + elem = null; }, - removeClass: function( value ) { - var classes, elem, cur, clazz, j, - i = 0, - len = this.length, - proceed = arguments.length === 0 || typeof value === "string" && value; + // Detach an event or set of events from an element + remove: function( elem, types, handler, selector, mappedTypes ) { + var j, handleObj, tmp, + origCount, t, events, + special, handlers, type, + namespaces, origType, + elemData = jQuery.hasData( elem ) && jQuery._data( elem ); - if ( jQuery.isFunction( value ) ) { - return this.each(function( j ) { - jQuery( this ).removeClass( value.call( this, j, this.className ) ); - }); + if ( !elemData || !(events = elemData.events) ) { + return; } - if ( proceed ) { - classes = ( value || "" ).match( core_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, " " ) : - "" - ); + // 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(); - if ( cur ) { - j = 0; - while ( (clazz = classes[j++]) ) { - // Remove *all* instances - while ( cur.indexOf( " " + clazz + " " ) >= 0 ) { - cur = cur.replace( " " + clazz + " ", " " ); - } - } - elem.className = value ? jQuery.trim( cur ) : ""; + // 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; } - } - - return this; - }, - - toggleClass: function( value, stateVal ) { - var type = typeof value; - if ( typeof stateVal === "boolean" && type === "string" ) { - return stateVal ? this.addClass( value ) : this.removeClass( value ); - } + special = jQuery.event.special[ type ] || {}; + type = ( selector ? special.delegateType : special.bindType ) || type; + handlers = events[ type ] || []; + tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ); - if ( jQuery.isFunction( value ) ) { - return this.each(function( i ) { - jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal ); - }); - } + // Remove matching events + origCount = j = handlers.length; + while ( j-- ) { + handleObj = handlers[ j ]; - return this.each(function() { - if ( type === "string" ) { - // toggle individual class names - var className, - i = 0, - self = jQuery( this ), - classNames = value.match( core_rnotwhite ) || []; + 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 ); - while ( (className = classNames[ i++ ]) ) { - // check each className given, space separated list - if ( self.hasClass( className ) ) { - self.removeClass( className ); - } else { - self.addClass( className ); + if ( handleObj.selector ) { + handlers.delegateCount--; + } + if ( special.remove ) { + special.remove.call( elem, handleObj ); } } + } - // Toggle whole class name - } else if ( type === core_strundefined || type === "boolean" ) { - if ( this.className ) { - // store className if set - jQuery._data( this, "__className__", this.className ); + // 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 ); } - // 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 ? "" : jQuery._data( this, "__className__" ) || ""; + delete events[ type ]; } - }); + } + + // Remove the expando if it's no longer used + if ( jQuery.isEmptyObject( events ) ) { + delete elemData.handle; + + // removeData also checks for emptiness and clears the expando if empty + // so use it instead of delete + jQuery._removeData( elem, "events" ); + } }, - 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; - } + trigger: function( event, data, elem, onlyHandlers ) { + var handle, ontype, cur, + bubbleType, special, tmp, i, + eventPath = [ elem || document ], + type = hasOwn.call( event, "type" ) ? event.type : event, + namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : []; + + cur = tmp = elem = elem || document; + + // Don't do events on text and comment nodes + if ( elem.nodeType === 3 || elem.nodeType === 8 ) { + return; } - return false; - }, + // focus/blur morphs to focusin/out; ensure we're not firing them right now + if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { + return; + } - val: function( value ) { - var ret, hooks, isFunction, - elem = this[0]; + 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; - if ( !arguments.length ) { - if ( elem ) { - hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ]; + // 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 ); - if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) { - return ret; - } + // 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; - ret = elem.value; + // Clean up the event in case it is being reused + event.result = undefined; + if ( !event.target ) { + event.target = elem; + } - return typeof ret === "string" ? - // handle most common string cases - ret.replace(rreturn, "") : - // handle cases where value is null/undef or number - ret == null ? "" : ret; - } + // Clone any incoming data and prepend the event, creating the handler arg list + data = data == null ? + [ event ] : + jQuery.makeArray( data, [ event ] ); + // Allow special events to draw outside the lines + special = jQuery.event.special[ type ] || {}; + if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { return; } - isFunction = jQuery.isFunction( value ); - - return this.each(function( i ) { - var val; + // 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 ) ) { - if ( this.nodeType !== 1 ) { - return; + bubbleType = special.delegateType || type; + if ( !rfocusMorph.test( bubbleType + type ) ) { + cur = cur.parentNode; } - - if ( isFunction ) { - val = value.call( this, i, jQuery( this ).val() ); - } else { - val = value; + for ( ; cur; cur = cur.parentNode ) { + eventPath.push( cur ); + tmp = cur; } - // Treat null/undefined as ""; convert numbers to string - if ( val == null ) { - val = ""; - } else if ( typeof val === "number" ) { - val += ""; - } else if ( jQuery.isArray( val ) ) { - val = jQuery.map(val, function ( value ) { - return value == null ? "" : value + ""; - }); + // 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 ); } + } - hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ]; + // Fire handlers on the event path + i = 0; + while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) { - // If set returns undefined, fall back to normal setting - if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) { - this.value = val; + event.type = i > 1 ? + bubbleType : + special.bindType || type; + + // jQuery handler + handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" ); + if ( handle ) { + handle.apply( cur, data ); } - }); - } -}); -jQuery.extend({ - valHooks: { - option: { - get: function( elem ) { - // Use proper attribute retrieval(#6932, #12072) - var val = jQuery.find.attr( elem, "value" ); - return val != null ? - val : - elem.text; + // 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(); + } } - }, - 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; + } + event.type = type; - // Loop through all the selected options - for ( ; i < max; i++ ) { - option = options[ i ]; + // If nobody prevented the default action, do it now + if ( !onlyHandlers && !event.isDefaultPrevented() ) { - // oldIE 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 - ( jQuery.support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null ) && - ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) { + if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) && + jQuery.acceptData( elem ) ) { - // Get the specific value for the option - value = jQuery( option ).val(); + // Call a native DOM method on the target with the same name name as the event. + // Can't use an .isFunction() check here because IE6/7 fails that test. + // Don't do default actions on window, that's where global variables be (#6170) + if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) { - // We don't need an array for one selects - if ( one ) { - return value; - } + // Don't re-trigger an onFOO event when we call its FOO() method + tmp = elem[ ontype ]; - // Multi-Selects return an array - values.push( value ); + if ( tmp ) { + elem[ ontype ] = null; } - } - - return values; - }, - - set: function( elem, value ) { - var optionSet, option, - options = elem.options, - values = jQuery.makeArray( value ), - i = options.length; - while ( i-- ) { - option = options[ i ]; - if ( (option.selected = jQuery.inArray( jQuery(option).val(), values ) >= 0) ) { - optionSet = true; + // Prevent re-triggering of the same event, since we already bubbled it above + jQuery.event.triggered = type; + try { + elem[ type ](); + } catch ( e ) { + // IE<9 dies on focus/blur to hidden element (#1486,#12518) + // only reproducible on winXP IE8 native, not IE9 in IE8 mode } - } + jQuery.event.triggered = undefined; - // force browsers to behave consistently when non-matching value is set - if ( !optionSet ) { - elem.selectedIndex = -1; + if ( tmp ) { + elem[ ontype ] = tmp; + } } - return values; } } + + return event.result; }, - attr: function( elem, name, value ) { - var hooks, ret, - nType = elem.nodeType; + dispatch: function( event ) { - // don't get/set attributes on text, comment and attribute nodes - if ( !elem || nType === 3 || nType === 8 || nType === 2 ) { - return; - } + // Make a writable jQuery.Event from the native event object + event = jQuery.event.fix( event ); - // Fallback to prop when attributes are not supported - if ( typeof elem.getAttribute === core_strundefined ) { - return jQuery.prop( elem, name, value ); - } + var i, ret, handleObj, matched, j, + handlerQueue = [], + args = slice.call( arguments ), + handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [], + special = jQuery.event.special[ event.type ] || {}; - // 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 ); + // 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; } - if ( value !== undefined ) { + // Determine handlers + handlerQueue = jQuery.event.handlers.call( this, event, handlers ); - if ( value === null ) { - jQuery.removeAttr( elem, name ); + // Run delegates first; they may want to stop propagation beneath us + i = 0; + while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) { + event.currentTarget = matched.elem; - } else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) { - return ret; + j = 0; + while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) { - } else { - elem.setAttribute( name, value + "" ); - return value; - } + // 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 ) ) { - } else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) { - return ret; + event.handleObj = handleObj; + event.data = handleObj.data; - } else { - ret = jQuery.find.attr( elem, name ); + ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler ) + .apply( matched.elem, args ); - // Non-existent attributes return null, we normalize to undefined - return ret == null ? - undefined : - ret; + if ( ret !== undefined ) { + if ( (event.result = ret) === false ) { + event.preventDefault(); + event.stopPropagation(); + } + } + } + } + } + + // Call the postDispatch hook for the mapped type + if ( special.postDispatch ) { + special.postDispatch.call( this, event ); } + + return event.result; }, - removeAttr: function( elem, value ) { - var name, propName, - i = 0, - attrNames = value && value.match( core_rnotwhite ); + handlers: function( event, handlers ) { + var sel, handleObj, matches, i, + handlerQueue = [], + delegateCount = handlers.delegateCount, + cur = event.target; - if ( attrNames && elem.nodeType === 1 ) { - while ( (name = attrNames[i++]) ) { - propName = jQuery.propFix[ name ] || name; + // Find delegate handlers + // Black-hole SVG instance trees (#13180) + // Avoid non-left-click bubbling in Firefox (#3861) + if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) { - // Boolean attributes get special treatment (#10870) - if ( jQuery.expr.match.bool.test( name ) ) { - // Set corresponding property to false - if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) { - elem[ propName ] = false; - // Support: IE<9 - // Also clear defaultChecked/defaultSelected (if appropriate) - } else { - elem[ jQuery.camelCase( "default-" + name ) ] = - elem[ propName ] = false; - } + /* jshint eqeqeq: false */ + for ( ; cur != this; cur = cur.parentNode || this ) { + /* jshint eqeqeq: true */ - // See #9699 for explanation of this approach (setting first, then removal) - } else { - jQuery.attr( elem, name, "" ); - } + // Don't check non-elements (#13208) + // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) + if ( cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click") ) { + matches = []; + for ( i = 0; i < delegateCount; i++ ) { + handleObj = handlers[ i ]; - elem.removeAttribute( getSetAttribute ? name : propName ); - } - } - }, + // Don't conflict with Object.prototype properties (#13203) + sel = handleObj.selector + " "; - attrHooks: { - type: { - set: function( elem, value ) { - if ( !jQuery.support.radioValue && value === "radio" && jQuery.nodeName(elem, "input") ) { - // Setting the type on a radio button after the value resets the value in IE6-9 - // Reset value to default in case type is set after value during creation - var val = elem.value; - elem.setAttribute( "type", value ); - if ( val ) { - elem.value = val; + 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 }); } - return value; } } } - }, - - propFix: { - "for": "htmlFor", - "class": "className" - }, - - prop: function( elem, name, value ) { - var ret, hooks, notxml, - nType = elem.nodeType; - // don't get/set properties on text, comment and attribute nodes - if ( !elem || nType === 3 || nType === 8 || nType === 2 ) { - return; + // Add the remaining (directly-bound) handlers + if ( delegateCount < handlers.length ) { + handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) }); } - notxml = nType !== 1 || !jQuery.isXMLDoc( elem ); + return handlerQueue; + }, - if ( notxml ) { - // Fix name and attach hooks - name = jQuery.propFix[ name ] || name; - hooks = jQuery.propHooks[ name ]; + fix: function( event ) { + if ( event[ jQuery.expando ] ) { + return event; } - if ( value !== undefined ) { - return hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ? - ret : - ( elem[ name ] = 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 ]; - } else { - return hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ? - ret : - elem[ name ]; + if ( !fixHook ) { + this.fixHooks[ type ] = fixHook = + rmouseEvent.test( type ) ? this.mouseHooks : + rkeyEvent.test( type ) ? this.keyHooks : + {}; } - }, + copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props; - propHooks: { - tabIndex: { - get: function( elem ) { - // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set - // 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" ); + event = new jQuery.Event( originalEvent ); - return tabindex ? - parseInt( tabindex, 10 ) : - rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ? - 0 : - -1; - } + i = copy.length; + while ( i-- ) { + prop = copy[ i ]; + event[ prop ] = originalEvent[ prop ]; } - } -}); -// 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 if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) { - // IE<8 needs the *property* name - elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name ); + // Support: IE<9 + // Fix target property (#1925) + if ( !event.target ) { + event.target = originalEvent.srcElement || document; + } - // Use defaultChecked and defaultSelected for oldIE - } else { - elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true; + // Support: Chrome 23+, Safari? + // Target should not be a text node (#504, #13143) + if ( event.target.nodeType === 3 ) { + event.target = event.target.parentNode; } - return name; - } -}; -jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) { - var getter = jQuery.expr.attrHandle[ name ] || jQuery.find.attr; + // Support: IE<9 + // For mouse/key events, metaKey==false if it's undefined (#3368, #11328) + event.metaKey = !!event.metaKey; - jQuery.expr.attrHandle[ name ] = getSetInput && getSetAttribute || !ruseDefault.test( name ) ? - function( elem, name, isXML ) { - var fn = jQuery.expr.attrHandle[ name ], - ret = isXML ? - undefined : - /* jshint eqeqeq: false */ - (jQuery.expr.attrHandle[ name ] = undefined) != - getter( elem, name, isXML ) ? - - name.toLowerCase() : - null; - jQuery.expr.attrHandle[ name ] = fn; - return ret; - } : - function( elem, name, isXML ) { - return isXML ? - undefined : - elem[ jQuery.camelCase( "default-" + name ) ] ? - name.toLowerCase() : - null; - }; -}); + return fixHook.filter ? fixHook.filter( event, originalEvent ) : event; + }, -// fix oldIE attroperties -if ( !getSetInput || !getSetAttribute ) { - jQuery.attrHooks.value = { - set: function( elem, value, name ) { - if ( jQuery.nodeName( elem, "input" ) ) { - // Does not return so that setAttribute is also used - elem.defaultValue = value; - } else { - // Use nodeHook if defined (#1954); otherwise setAttribute is fine - return nodeHook && nodeHook.set( elem, value, name ); - } - } - }; -} + // Includes some event props shared by KeyEvent and MouseEvent + props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "), -// IE6/7 do not support getting/setting some attributes with get/setAttribute -if ( !getSetAttribute ) { + fixHooks: {}, - // Use this for any attribute in IE6/7 - // This fixes almost every IE6/7 issue - nodeHook = { - set: function( elem, value, name ) { - // Set the existing or create a new attribute node - var ret = elem.getAttributeNode( name ); - if ( !ret ) { - elem.setAttributeNode( - (ret = elem.ownerDocument.createAttribute( name )) - ); - } + keyHooks: { + props: "char charCode key keyCode".split(" "), + filter: function( event, original ) { - ret.value = value += ""; + // Add which for key events + if ( event.which == null ) { + event.which = original.charCode != null ? original.charCode : original.keyCode; + } - // Break association with cloned elements by also using setAttribute (#9646) - return name === "value" || value === elem.getAttribute( name ) ? - value : - undefined; + return event; } - }; - jQuery.expr.attrHandle.id = jQuery.expr.attrHandle.name = jQuery.expr.attrHandle.coords = - // Some attributes are constructed with empty-string values when not defined - function( elem, name, isXML ) { - var ret; - return isXML ? - undefined : - (ret = elem.getAttributeNode( name )) && ret.value !== "" ? - ret.value : - null; - }; - jQuery.valHooks.button = { - get: function( elem, name ) { - var ret = elem.getAttributeNode( name ); - return ret && ret.specified ? - ret.value : - undefined; - }, - set: nodeHook.set - }; + }, - // Set contenteditable to false on removals(#10429) - // Setting to empty string throws an error as an invalid value - jQuery.attrHooks.contenteditable = { - set: function( elem, value, name ) { - nodeHook.set( elem, value === "" ? false : value, name ); - } - }; + mouseHooks: { + props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "), + filter: function( event, original ) { + var body, eventDoc, doc, + button = original.button, + fromElement = original.fromElement; - // Set width and height to auto instead of 0 on empty string( Bug #8150 ) - // This is for removals - jQuery.each([ "width", "height" ], function( i, name ) { - jQuery.attrHooks[ name ] = { - set: function( elem, value ) { - if ( value === "" ) { - elem.setAttribute( name, "auto" ); - return value; - } + // 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; + + 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 ); } - }; - }); -} + // Add relatedTarget, if necessary + if ( !event.relatedTarget && fromElement ) { + event.relatedTarget = fromElement === event.target ? original.toElement : fromElement; + } -// Some attributes require a special call on IE -// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx -if ( !jQuery.support.hrefNormalized ) { - // href/src property should get the full normalized URL (#10299/#12915) - jQuery.each([ "href", "src" ], function( i, name ) { - jQuery.propHooks[ name ] = { - get: function( elem ) { - return elem.getAttribute( name, 4 ); + // 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 ) ) ); } - }; - }); -} -if ( !jQuery.support.style ) { - jQuery.attrHooks.style = { - get: function( elem ) { - // Return undefined in the case of empty string - // Note: IE uppercases css property names, but if we were to .toLowerCase() - // .cssText, that would destroy case senstitivity in URL's, like in "background" - return elem.style.cssText || undefined; - }, - set: function( elem, value ) { - return ( elem.style.cssText = value + "" ); + return event; } - }; -} + }, -// Safari mis-reports the default selected property of an option -// Accessing the parent's selectedIndex property fixes it -if ( !jQuery.support.optSelected ) { - jQuery.propHooks.selected = { - get: function( elem ) { - var parent = elem.parentNode; + 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 ) { + try { + this.focus(); + return false; + } catch ( e ) { + // Support: IE<9 + // If we error on focus to hidden element (#1486, #12518), + // let .trigger() run the handlers + } + } + }, + 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 ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) { + this.click(); + return false; + } + }, - if ( parent ) { - parent.selectedIndex; + // For cross-browser consistency, don't fire native .click() on links + _default: function( event ) { + return jQuery.nodeName( event.target, "a" ); + } + }, - // Make sure that it also works with optgroups, see #5701 - if ( parent.parentNode ) { - parent.parentNode.selectedIndex; + beforeunload: { + postDispatch: function( event ) { + + // 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; } } - return null; } - }; -} + }, -jQuery.each([ - "tabIndex", - "readOnly", - "maxLength", - "cellSpacing", - "cellPadding", - "rowSpan", - "colSpan", - "useMap", - "frameBorder", - "contentEditable" -], function() { - jQuery.propFix[ this.toLowerCase() ] = this; -}); + 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: {} + } + ); + if ( bubble ) { + jQuery.event.trigger( e, null, elem ); + } else { + jQuery.event.dispatch.call( elem, e ); + } + if ( e.isDefaultPrevented() ) { + event.preventDefault(); + } + } +}; -// IE6/7 call enctype encoding -if ( !jQuery.support.enctype ) { - jQuery.propFix.enctype = "encoding"; -} +jQuery.removeEvent = document.removeEventListener ? + function( elem, type, handle ) { + if ( elem.removeEventListener ) { + elem.removeEventListener( type, handle, false ); + } + } : + function( elem, type, handle ) { + var name = "on" + type; -// 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 ); + if ( elem.detachEvent ) { + + // #8545, #7054, preventing memory leaks for custom events in IE6-8 + // detachEvent needed property on element, by name of that event, to properly expose it to GC + if ( typeof elem[ name ] === strundefined ) { + elem[ name ] = null; } + + elem.detachEvent( name, handle ); } }; - if ( !jQuery.support.checkOn ) { - jQuery.valHooks[ this ].get = function( elem ) { - // Support: Webkit - // "" is returned instead of "on" if a value isn't specified - return elem.getAttribute("value") === null ? "on" : elem.value; - }; + +jQuery.Event = function( src, props ) { + // Allow instantiation without the 'new' keyword + if ( !(this instanceof jQuery.Event) ) { + return new jQuery.Event( src, props ); } -}); -var rformElems = /^(?:input|select|textarea)$/i, - rkeyEvent = /^key/, - rmouseEvent = /^(?:mouse|contextmenu)|click/, - rfocusMorph = /^(?:focusinfocus|focusoutblur)$/, - rtypenamespace = /^([^.]*)(?:\.(.+)|)$/; -function returnTrue() { - return true; -} + // Event object + if ( src && src.type ) { + this.originalEvent = src; + this.type = src.type; -function returnFalse() { - return false; -} + // 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: IE < 9, Android < 4.0 + src.returnValue === false ? + returnTrue : + returnFalse; -function safeActiveElement() { - try { - return document.activeElement; - } catch ( err ) { } -} + // Event type + } else { + this.type = src; + } -/* - * Helper functions for managing events -- not part of the public interface. - * Props to Dean Edwards' addEvent library for many of the ideas. - */ -jQuery.event = { + // Put explicitly provided properties onto the event object + if ( props ) { + jQuery.extend( this, props ); + } - global: {}, + // Create a timestamp if incoming event doesn't have one + this.timeStamp = src && src.timeStamp || jQuery.now(); + + // Mark it as fixed + this[ jQuery.expando ] = true; +}; + +// 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, - add: function( elem, types, handler, data, selector ) { - var tmp, events, t, handleObjIn, - special, eventHandle, handleObj, - handlers, type, namespaces, origType, - elemData = jQuery._data( elem ); + preventDefault: function() { + var e = this.originalEvent; - // Don't attach events to noData or text/comment nodes (but allow plain objects) - if ( !elemData ) { + this.isDefaultPrevented = returnTrue; + if ( !e ) { 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; - } + // If preventDefault exists, run it on the original event + if ( e.preventDefault ) { + e.preventDefault(); - // Make sure that the handler has a unique ID, used to find/remove it later - if ( !handler.guid ) { - handler.guid = jQuery.guid++; + // Support: IE + // Otherwise set the returnValue property of the original event to false + } else { + e.returnValue = false; } + }, + stopPropagation: function() { + var e = this.originalEvent; - // Init the element's event structure and main handler, if this is the first - if ( !(events = elemData.events) ) { - events = elemData.events = {}; + this.isPropagationStopped = returnTrue; + if ( !e ) { + return; } - 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 !== core_strundefined && (!e || jQuery.event.triggered !== e.type) ? - jQuery.event.dispatch.apply( eventHandle.elem, arguments ) : - undefined; - }; - // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events - eventHandle.elem = elem; + // If stopPropagation exists, run it on the original event + if ( e.stopPropagation ) { + e.stopPropagation(); } - // Handle multiple events separated by a space - types = ( types || "" ).match( core_rnotwhite ) || [""]; - t = types.length; - while ( t-- ) { - tmp = rtypenamespace.exec( types[t] ) || []; - type = origType = tmp[1]; - namespaces = ( tmp[2] || "" ).split( "." ).sort(); + // Support: IE + // Set the cancelBubble property of the original event to true + e.cancelBubble = true; + }, + stopImmediatePropagation: function() { + var e = this.originalEvent; - // There *must* be a type, no attaching namespace-only handlers - if ( !type ) { - continue; - } + this.isImmediatePropagationStopped = returnTrue; - // If event changes its type, use the special event handlers for the changed type - special = jQuery.event.special[ type ] || {}; + if ( e && e.stopImmediatePropagation ) { + e.stopImmediatePropagation(); + } - // If selector defined, determine special event api type, otherwise given type - type = ( selector ? special.delegateType : special.bindType ) || type; + this.stopPropagation(); + } +}; - // Update special based on newly reset type - special = jQuery.event.special[ type ] || {}; +// Create mouseenter/leave events using mouseover/out and event-time checks +jQuery.each({ + mouseenter: "mouseover", + mouseleave: "mouseout", + pointerenter: "pointerover", + pointerleave: "pointerout" +}, function( orig, fix ) { + jQuery.event.special[ orig ] = { + delegateType: fix, + bindType: fix, - // 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 ); + handle: function( event ) { + var ret, + target = this, + related = event.relatedTarget, + handleObj = event.handleObj; - // Init the event handler queue if we're the first - if ( !(handlers = events[ type ]) ) { - handlers = events[ type ] = []; - handlers.delegateCount = 0; + // 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; + } + return ret; + } + }; +}); - // Only use addEventListener/attachEvent if the special events handler returns false - if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) { - // Bind the global event handler to the element - if ( elem.addEventListener ) { - elem.addEventListener( type, eventHandle, false ); +// IE submit delegation +if ( !support.submitBubbles ) { - } else if ( elem.attachEvent ) { - elem.attachEvent( "on" + type, eventHandle ); - } - } + jQuery.event.special.submit = { + setup: function() { + // Only need this for delegated form submit events + if ( jQuery.nodeName( this, "form" ) ) { + return false; } - if ( special.add ) { - special.add.call( elem, handleObj ); + // Lazy-add a submit handler when a descendant form may potentially be submitted + jQuery.event.add( this, "click._submit keypress._submit", function( e ) { + // Node name check avoids a VML-related crash in IE (#9807) + var elem = e.target, + form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined; + if ( form && !jQuery._data( form, "submitBubbles" ) ) { + jQuery.event.add( form, "submit._submit", function( event ) { + event._submit_bubble = true; + }); + jQuery._data( form, "submitBubbles", true ); + } + }); + // return undefined since we don't need an event listener + }, - if ( !handleObj.handler.guid ) { - handleObj.handler.guid = handler.guid; + postDispatch: function( event ) { + // If form was submitted by the user, bubble the event up the tree + if ( event._submit_bubble ) { + delete event._submit_bubble; + if ( this.parentNode && !event.isTrigger ) { + jQuery.event.simulate( "submit", this.parentNode, event, true ); } } + }, - // Add to the element's handler list, delegates in front - if ( selector ) { - handlers.splice( handlers.delegateCount++, 0, handleObj ); - } else { - handlers.push( handleObj ); + teardown: function() { + // Only need this for delegated form submit events + if ( jQuery.nodeName( this, "form" ) ) { + return false; } - // Keep track of which events have ever been used, for event optimization - jQuery.event.global[ type ] = true; + // Remove delegated handlers; cleanData eventually reaps submit handlers attached above + jQuery.event.remove( this, "._submit" ); } + }; +} - // Nullify elem to prevent memory leaks in IE - elem = null; - }, +// IE change delegation and checkbox/radio fix +if ( !support.changeBubbles ) { - // Detach an event or set of events from an element - remove: function( elem, types, handler, selector, mappedTypes ) { - var j, handleObj, tmp, - origCount, t, events, - special, handlers, type, - namespaces, origType, - elemData = jQuery.hasData( elem ) && jQuery._data( elem ); + jQuery.event.special.change = { - if ( !elemData || !(events = elemData.events) ) { - return; + setup: function() { + + if ( rformElems.test( this.nodeName ) ) { + // IE doesn't fire change on a check/radio until blur; trigger it on click + // after a propertychange. Eat the blur-change in special.change.handle. + // This still fires onchange a second time for check/radio after blur. + if ( this.type === "checkbox" || this.type === "radio" ) { + jQuery.event.add( this, "propertychange._change", function( event ) { + if ( event.originalEvent.propertyName === "checked" ) { + this._just_changed = true; + } + }); + jQuery.event.add( this, "click._change", function( event ) { + if ( this._just_changed && !event.isTrigger ) { + this._just_changed = false; + } + // Allow triggered, simulated change events (#11500) + jQuery.event.simulate( "change", this, event, true ); + }); + } + return false; + } + // Delegated event; lazy-add a change handler on descendant inputs + jQuery.event.add( this, "beforeactivate._change", function( e ) { + var elem = e.target; + + if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "changeBubbles" ) ) { + jQuery.event.add( elem, "change._change", function( event ) { + if ( this.parentNode && !event.isSimulated && !event.isTrigger ) { + jQuery.event.simulate( "change", this.parentNode, event, true ); + } + }); + jQuery._data( elem, "changeBubbles", true ); + } + }); + }, + + handle: function( event ) { + var elem = event.target; + + // Swallow native change events from checkbox/radio, we already triggered them above + if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) { + return event.handleObj.handler.apply( this, arguments ); + } + }, + + teardown: function() { + jQuery.event.remove( this, "._change" ); + + return !rformElems.test( this.nodeName ); } + }; +} - // Once for each type.namespace in types; type may be omitted - types = ( types || "" ).match( core_rnotwhite ) || [""]; - t = types.length; - while ( t-- ) { - tmp = rtypenamespace.exec( types[t] ) || []; - type = origType = tmp[1]; - namespaces = ( tmp[2] || "" ).split( "." ).sort(); +// 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 ); + }; + + jQuery.event.special[ fix ] = { + setup: function() { + var doc = this.ownerDocument || this, + attaches = jQuery._data( doc, fix ); + + if ( !attaches ) { + doc.addEventListener( orig, handler, true ); + } + jQuery._data( doc, fix, ( attaches || 0 ) + 1 ); + }, + teardown: function() { + var doc = this.ownerDocument || this, + attaches = jQuery._data( doc, fix ) - 1; - // 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 ); + if ( !attaches ) { + doc.removeEventListener( orig, handler, true ); + jQuery._removeData( doc, fix ); + } else { + jQuery._data( doc, fix, attaches ); } - 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 ]; +jQuery.fn.extend({ - 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 ); + on: function( types, selector, data, fn, /*INTERNAL*/ one ) { + var type, origFn; - if ( handleObj.selector ) { - handlers.delegateCount--; - } - if ( special.remove ) { - special.remove.call( elem, handleObj ); - } - } + // 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; + } - // 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 ); - } + 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 this; + } - delete events[ type ]; + 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 ] ); } + 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 ); + }); + }, - // Remove the expando if it's no longer used - if ( jQuery.isEmptyObject( events ) ) { - delete elemData.handle; + 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 ); + } + } +}); - // removeData also checks for emptiness and clears the expando if empty - // so use it instead of delete - jQuery._removeData( elem, "events" ); + +function createSafeFragment( document ) { + var list = nodeNames.split( "|" ), + safeFrag = document.createDocumentFragment(); + + if ( safeFrag.createElement ) { + while ( list.length ) { + safeFrag.createElement( + list.pop() + ); } + } + return safeFrag; +} + +var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" + + "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video", + rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g, + rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"), + rleadingWhitespace = /^\s+/, + rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi, + rtagName = /<([\w:]+)/, + rtbody = /\s*$/g, + + // We have to close these tags to support XHTML (#13200) + wrapMap = { + option: [ 1, "" ], + legend: [ 1, "
", "
" ], + area: [ 1, "", "" ], + param: [ 1, "", "" ], + thead: [ 1, "", "
" ], + tr: [ 2, "", "
" ], + col: [ 2, "", "
" ], + td: [ 3, "", "
" ], + + // IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags, + // unless wrapped in a div with non-breaking characters in front of it. + _default: support.htmlSerialize ? [ 0, "", "" ] : [ 1, "X
", "
" ] }, + safeFragment = createSafeFragment( document ), + fragmentDiv = safeFragment.appendChild( document.createElement("div") ); - trigger: function( event, data, elem, onlyHandlers ) { - var handle, ontype, cur, - bubbleType, special, tmp, i, - eventPath = [ elem || document ], - type = core_hasOwn.call( event, "type" ) ? event.type : event, - namespaces = core_hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : []; +wrapMap.optgroup = wrapMap.option; +wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; +wrapMap.th = wrapMap.td; - cur = tmp = elem = elem || document; +function getAll( context, tag ) { + var elems, elem, + i = 0, + found = typeof context.getElementsByTagName !== strundefined ? context.getElementsByTagName( tag || "*" ) : + typeof context.querySelectorAll !== strundefined ? context.querySelectorAll( tag || "*" ) : + undefined; - // Don't do events on text and comment nodes - if ( elem.nodeType === 3 || elem.nodeType === 8 ) { - return; + if ( !found ) { + for ( found = [], elems = context.childNodes || context; (elem = elems[i]) != null; i++ ) { + if ( !tag || jQuery.nodeName( elem, tag ) ) { + found.push( elem ); + } else { + jQuery.merge( found, getAll( elem, tag ) ); + } } + } - // focus/blur morphs to focusin/out; ensure we're not firing them right now - if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { - return; - } + return tag === undefined || tag && jQuery.nodeName( context, tag ) ? + jQuery.merge( [ context ], found ) : + found; +} - 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; +// Used in buildFragment, fixes the defaultChecked property +function fixDefaultChecked( elem ) { + if ( rcheckableType.test( elem.type ) ) { + elem.defaultChecked = elem.checked; + } +} - // 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 ); +// Support: IE<8 +// Manipulating tables requires a tbody +function manipulationTarget( elem, content ) { + return jQuery.nodeName( elem, "table" ) && + jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ? - // 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; + elem.getElementsByTagName("tbody")[0] || + elem.appendChild( elem.ownerDocument.createElement("tbody") ) : + elem; +} + +// Replace/restore the type attribute of script elements for safe DOM manipulation +function disableScript( elem ) { + elem.type = (jQuery.find.attr( elem, "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"); + } + return elem; +} - // Clean up the event in case it is being reused - event.result = undefined; - if ( !event.target ) { - event.target = elem; - } +// Mark scripts as having already been evaluated +function setGlobalEval( elems, refElements ) { + var elem, + i = 0; + for ( ; (elem = elems[i]) != null; i++ ) { + jQuery._data( elem, "globalEval", !refElements || jQuery._data( refElements[i], "globalEval" ) ); + } +} - // Clone any incoming data and prepend the event, creating the handler arg list - data = data == null ? - [ event ] : - jQuery.makeArray( data, [ event ] ); +function cloneCopyEvent( src, dest ) { - // Allow special events to draw outside the lines - special = jQuery.event.special[ type ] || {}; - if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { - return; - } + if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) { + 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 ) ) { + var type, i, l, + oldData = jQuery._data( src ), + curData = jQuery._data( dest, oldData ), + events = oldData.events; - bubbleType = special.delegateType || type; - if ( !rfocusMorph.test( bubbleType + type ) ) { - cur = cur.parentNode; - } - for ( ; cur; cur = cur.parentNode ) { - eventPath.push( cur ); - tmp = cur; - } + if ( events ) { + delete curData.handle; + curData.events = {}; - // 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 ); + for ( type in events ) { + for ( i = 0, l = events[ type ].length; i < l; i++ ) { + jQuery.event.add( dest, type, events[ type ][ i ] ); } } + } - // Fire handlers on the event path - i = 0; - while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) { - - event.type = i > 1 ? - bubbleType : - special.bindType || type; + // make the cloned public data object a copy from the original + if ( curData.data ) { + curData.data = jQuery.extend( {}, curData.data ); + } +} - // jQuery handler - handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" ); - if ( handle ) { - handle.apply( cur, data ); - } +function fixCloneNodeIssues( src, dest ) { + var nodeName, e, data; - // Native handler - handle = ontype && cur[ ontype ]; - if ( handle && jQuery.acceptData( cur ) && handle.apply && handle.apply( cur, data ) === false ) { - event.preventDefault(); - } - } - event.type = type; + // We do not need to do anything for non-Elements + if ( dest.nodeType !== 1 ) { + return; + } - // If nobody prevented the default action, do it now - if ( !onlyHandlers && !event.isDefaultPrevented() ) { + nodeName = dest.nodeName.toLowerCase(); - if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) && - jQuery.acceptData( elem ) ) { + // IE6-8 copies events bound via attachEvent when using cloneNode. + if ( !support.noCloneEvent && dest[ jQuery.expando ] ) { + data = jQuery._data( dest ); - // Call a native DOM method on the target with the same name name as the event. - // Can't use an .isFunction() check here because IE6/7 fails that test. - // Don't do default actions on window, that's where global variables be (#6170) - if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) { + for ( e in data.events ) { + jQuery.removeEvent( dest, e, data.handle ); + } - // Don't re-trigger an onFOO event when we call its FOO() method - tmp = elem[ ontype ]; + // Event data gets referenced instead of copied if the expando gets copied too + dest.removeAttribute( jQuery.expando ); + } - if ( tmp ) { - elem[ ontype ] = null; - } + // IE blanks contents when cloning scripts, and tries to evaluate newly-set text + if ( nodeName === "script" && dest.text !== src.text ) { + disableScript( dest ).text = src.text; + restoreScript( dest ); - // Prevent re-triggering of the same event, since we already bubbled it above - jQuery.event.triggered = type; - try { - elem[ type ](); - } catch ( e ) { - // IE<9 dies on focus/blur to hidden element (#1486,#12518) - // only reproducible on winXP IE8 native, not IE9 in IE8 mode - } - jQuery.event.triggered = undefined; + // IE6-10 improperly clones children of object elements using classid. + // IE10 throws NoModificationAllowedError if parent is null, #12132. + } else if ( nodeName === "object" ) { + if ( dest.parentNode ) { + dest.outerHTML = src.outerHTML; + } - if ( tmp ) { - elem[ ontype ] = tmp; - } - } - } + // This path appears unavoidable for IE9. When cloning an object + // element in IE9, the outerHTML strategy above is not sufficient. + // If the src has innerHTML and the destination does not, + // copy the src.innerHTML into the dest.innerHTML. #10324 + if ( support.html5Clone && ( src.innerHTML && !jQuery.trim(dest.innerHTML) ) ) { + dest.innerHTML = src.innerHTML; } - return event.result; - }, + } else if ( nodeName === "input" && rcheckableType.test( src.type ) ) { + // IE6-8 fails to persist the checked state of a cloned checkbox + // or radio button. Worse, IE6-7 fail to give the cloned element + // a checked appearance if the defaultChecked value isn't also set - dispatch: function( event ) { + dest.defaultChecked = dest.checked = src.checked; - // Make a writable jQuery.Event from the native event object - event = jQuery.event.fix( event ); + // IE6-7 get confused and end up setting the value of a cloned + // checkbox/radio button to an empty string instead of "on" + if ( dest.value !== src.value ) { + dest.value = src.value; + } - var i, ret, handleObj, matched, j, - handlerQueue = [], - args = core_slice.call( arguments ), - handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [], - special = jQuery.event.special[ event.type ] || {}; + // IE6-8 fails to return the selected option to the default selected + // state when cloning options + } else if ( nodeName === "option" ) { + dest.defaultSelected = dest.selected = src.defaultSelected; - // Use the fix-ed jQuery.Event rather than the (read-only) native event - args[0] = event; - event.delegateTarget = this; + // IE6-8 fails to set the defaultValue to the correct value when + // cloning other types of input fields + } else if ( nodeName === "input" || nodeName === "textarea" ) { + dest.defaultValue = src.defaultValue; + } +} - // Call the preDispatch hook for the mapped type, and let it bail if desired - if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { - return; - } +jQuery.extend({ + clone: function( elem, dataAndEvents, deepDataAndEvents ) { + var destElements, node, clone, i, srcElements, + inPage = jQuery.contains( elem.ownerDocument, elem ); - // Determine handlers - handlerQueue = jQuery.event.handlers.call( this, event, handlers ); + if ( support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test( "<" + elem.nodeName + ">" ) ) { + clone = elem.cloneNode( true ); - // Run delegates first; they may want to stop propagation beneath us - i = 0; - while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) { - event.currentTarget = matched.elem; + // IE<=8 does not properly clone detached, unknown element nodes + } else { + fragmentDiv.innerHTML = elem.outerHTML; + fragmentDiv.removeChild( clone = fragmentDiv.firstChild ); + } - j = 0; - while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) { + if ( (!support.noCloneEvent || !support.noCloneChecked) && + (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) { - // 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 ) ) { + // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2 + destElements = getAll( clone ); + srcElements = getAll( elem ); - event.handleObj = handleObj; - event.data = handleObj.data; + // Fix all IE cloning issues + for ( i = 0; (node = srcElements[i]) != null; ++i ) { + // Ensure that the destination node is not null; Fixes #9587 + if ( destElements[i] ) { + fixCloneNodeIssues( node, destElements[i] ); + } + } + } - ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler ) - .apply( matched.elem, args ); + // Copy the events from the original to the clone + if ( dataAndEvents ) { + if ( deepDataAndEvents ) { + srcElements = srcElements || getAll( elem ); + destElements = destElements || getAll( clone ); - if ( ret !== undefined ) { - if ( (event.result = ret) === false ) { - event.preventDefault(); - event.stopPropagation(); - } - } + for ( i = 0; (node = srcElements[i]) != null; i++ ) { + cloneCopyEvent( node, destElements[i] ); } + } else { + cloneCopyEvent( elem, clone ); } } - // Call the postDispatch hook for the mapped type - if ( special.postDispatch ) { - special.postDispatch.call( this, event ); + // Preserve script evaluation history + destElements = getAll( clone, "script" ); + if ( destElements.length > 0 ) { + setGlobalEval( destElements, !inPage && getAll( elem, "script" ) ); } - return event.result; + destElements = srcElements = node = null; + + // Return the cloned set + return clone; }, - handlers: function( event, handlers ) { - var sel, handleObj, matches, i, - handlerQueue = [], - delegateCount = handlers.delegateCount, - cur = event.target; + buildFragment: function( elems, context, scripts, selection ) { + var j, elem, contains, + tmp, tag, tbody, wrap, + l = elems.length, + + // Ensure a safe fragment + safe = createSafeFragment( context ), + + nodes = [], + i = 0; + + for ( ; i < l; i++ ) { + elem = elems[ i ]; + + if ( elem || elem === 0 ) { + + // Add nodes directly + if ( jQuery.type( elem ) === "object" ) { + jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem ); - // Find delegate handlers - // Black-hole SVG instance trees (#13180) - // Avoid non-left-click bubbling in Firefox (#3861) - if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) { + // Convert non-html into a text node + } else if ( !rhtml.test( elem ) ) { + nodes.push( context.createTextNode( elem ) ); - /* jshint eqeqeq: false */ - for ( ; cur != this; cur = cur.parentNode || this ) { - /* jshint eqeqeq: true */ + // Convert html into DOM nodes + } else { + tmp = tmp || safe.appendChild( context.createElement("div") ); - // Don't check non-elements (#13208) - // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) - if ( cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click") ) { - matches = []; - for ( i = 0; i < delegateCount; i++ ) { - handleObj = handlers[ i ]; + // Deserialize a standard representation + tag = (rtagName.exec( elem ) || [ "", "" ])[ 1 ].toLowerCase(); + wrap = wrapMap[ tag ] || wrapMap._default; - // Don't conflict with Object.prototype properties (#13203) - sel = handleObj.selector + " "; + tmp.innerHTML = wrap[1] + elem.replace( rxhtmlTag, "<$1>" ) + wrap[2]; - 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 ); - } + // Descend through wrappers to the right content + j = wrap[0]; + while ( j-- ) { + tmp = tmp.lastChild; } - if ( matches.length ) { - handlerQueue.push({ elem: cur, handlers: matches }); + + // Manually add leading whitespace removed by IE + if ( !support.leadingWhitespace && rleadingWhitespace.test( elem ) ) { + nodes.push( context.createTextNode( rleadingWhitespace.exec( elem )[0] ) ); } - } - } - } - // Add the remaining (directly-bound) handlers - if ( delegateCount < handlers.length ) { - handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) }); - } + // Remove IE's autoinserted from table fragments + if ( !support.tbody ) { - return handlerQueue; - }, + // String was a , *may* have spurious + elem = tag === "table" && !rtbody.test( elem ) ? + tmp.firstChild : - fix: function( event ) { - if ( event[ jQuery.expando ] ) { - return event; - } + // String was a bare or + wrap[1] === "
" && !rtbody.test( elem ) ? + tmp : + 0; - // 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 ]; + j = elem && elem.childNodes.length; + while ( j-- ) { + if ( jQuery.nodeName( (tbody = elem.childNodes[j]), "tbody" ) && !tbody.childNodes.length ) { + elem.removeChild( tbody ); + } + } + } - if ( !fixHook ) { - this.fixHooks[ type ] = fixHook = - rmouseEvent.test( type ) ? this.mouseHooks : - rkeyEvent.test( type ) ? this.keyHooks : - {}; - } - copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props; + jQuery.merge( nodes, tmp.childNodes ); - event = new jQuery.Event( originalEvent ); + // Fix #12392 for WebKit and IE > 9 + tmp.textContent = ""; - i = copy.length; - while ( i-- ) { - prop = copy[ i ]; - event[ prop ] = originalEvent[ prop ]; - } + // Fix #12392 for oldIE + while ( tmp.firstChild ) { + tmp.removeChild( tmp.firstChild ); + } - // Support: IE<9 - // Fix target property (#1925) - if ( !event.target ) { - event.target = originalEvent.srcElement || document; + // Remember the top-level container for proper cleanup + tmp = safe.lastChild; + } + } } - // Support: Chrome 23+, Safari? - // Target should not be a text node (#504, #13143) - if ( event.target.nodeType === 3 ) { - event.target = event.target.parentNode; + // Fix #11356: Clear elements from fragment + if ( tmp ) { + safe.removeChild( tmp ); } - // Support: IE<9 - // For mouse/key events, metaKey==false if it's undefined (#3368, #11328) - event.metaKey = !!event.metaKey; + // Reset defaultChecked for any radios and checkboxes + // about to be appended to the DOM in IE 6/7 (#8060) + if ( !support.appendChecked ) { + jQuery.grep( getAll( nodes, "input" ), fixDefaultChecked ); + } - return fixHook.filter ? fixHook.filter( event, originalEvent ) : event; - }, + i = 0; + while ( (elem = nodes[ i++ ]) ) { - // Includes some event props shared by KeyEvent and MouseEvent - props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "), + // #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; + } - fixHooks: {}, + contains = jQuery.contains( elem.ownerDocument, elem ); - keyHooks: { - props: "char charCode key keyCode".split(" "), - filter: function( event, original ) { + // Append to fragment + tmp = getAll( safe.appendChild( elem ), "script" ); - // Add which for key events - if ( event.which == null ) { - event.which = original.charCode != null ? original.charCode : original.keyCode; + // Preserve script evaluation history + if ( contains ) { + setGlobalEval( tmp ); } - return event; + // Capture executables + if ( scripts ) { + j = 0; + while ( (elem = tmp[ j++ ]) ) { + if ( rscriptType.test( elem.type || "" ) ) { + scripts.push( elem ); + } + } + } } - }, - mouseHooks: { - props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "), - filter: function( event, original ) { - var body, eventDoc, doc, - button = original.button, - fromElement = original.fromElement; + tmp = null; - // 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; + return safe; + }, - 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 ); - } + cleanData: function( elems, /* internal */ acceptData ) { + var elem, type, id, data, + i = 0, + internalKey = jQuery.expando, + cache = jQuery.cache, + deleteExpando = support.deleteExpando, + special = jQuery.event.special; - // Add relatedTarget, if necessary - if ( !event.relatedTarget && fromElement ) { - event.relatedTarget = fromElement === event.target ? original.toElement : fromElement; - } + for ( ; (elem = elems[i]) != null; i++ ) { + if ( acceptData || jQuery.acceptData( elem ) ) { - // 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 ) ) ); - } + id = elem[ internalKey ]; + data = id && cache[ id ]; - return event; - } - }, + if ( data ) { + if ( data.events ) { + for ( type in data.events ) { + if ( special[ type ] ) { + jQuery.event.remove( elem, type ); - 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 ) { - try { - this.focus(); - return false; - } catch ( e ) { - // Support: IE<9 - // If we error on focus to hidden element (#1486, #12518), - // let .trigger() run the handlers + // This is a shortcut to avoid jQuery.event.remove's overhead + } else { + jQuery.removeEvent( elem, type, data.handle ); + } + } } - } - }, - 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 ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) { - this.click(); - return false; - } - }, - // For cross-browser consistency, don't fire native .click() on links - _default: function( event ) { - return jQuery.nodeName( event.target, "a" ); - } - }, + // Remove cache only if it was not already removed by jQuery.event.remove + if ( cache[ id ] ) { - beforeunload: { - postDispatch: function( event ) { + delete cache[ id ]; + + // IE does not allow us to delete expando properties from nodes, + // nor does it have a removeAttribute function on Document nodes; + // we must handle all of these cases + if ( deleteExpando ) { + delete elem[ internalKey ]; + + } else if ( typeof elem.removeAttribute !== strundefined ) { + elem.removeAttribute( internalKey ); + + } else { + elem[ internalKey ] = null; + } - // Even when returnValue equals to undefined Firefox will still show alert - if ( event.result !== undefined ) { - event.originalEvent.returnValue = event.result; + deletedIds.push( id ); + } } } } - }, - - 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: {} - } - ); - if ( bubble ) { - jQuery.event.trigger( e, null, elem ); - } else { - jQuery.event.dispatch.call( elem, e ); - } - if ( e.isDefaultPrevented() ) { - event.preventDefault(); - } } -}; +}); -jQuery.removeEvent = document.removeEventListener ? - function( elem, type, handle ) { - if ( elem.removeEventListener ) { - elem.removeEventListener( type, handle, false ); - } - } : - function( elem, type, handle ) { - var name = "on" + type; +jQuery.fn.extend({ + text: function( value ) { + return access( this, function( value ) { + return value === undefined ? + jQuery.text( this ) : + this.empty().append( ( this[0] && this[0].ownerDocument || document ).createTextNode( value ) ); + }, null, value, arguments.length ); + }, - if ( elem.detachEvent ) { + 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 ); + } + }); + }, - // #8545, #7054, preventing memory leaks for custom events in IE6-8 - // detachEvent needed property on element, by name of that event, to properly expose it to GC - if ( typeof elem[ name ] === core_strundefined ) { - elem[ name ] = null; + 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 ); } + }); + }, - elem.detachEvent( name, handle ); - } - }; + before: function() { + return this.domManip( arguments, function( elem ) { + if ( this.parentNode ) { + this.parentNode.insertBefore( elem, this ); + } + }); + }, -jQuery.Event = function( src, props ) { - // Allow instantiation without the 'new' keyword - if ( !(this instanceof jQuery.Event) ) { - return new jQuery.Event( src, props ); - } + after: function() { + return this.domManip( arguments, function( elem ) { + if ( this.parentNode ) { + this.parentNode.insertBefore( elem, this.nextSibling ); + } + }); + }, - // Event object - if ( src && src.type ) { - this.originalEvent = src; - this.type = src.type; + remove: function( selector, keepData /* Internal Use Only */ ) { + var elem, + elems = selector ? jQuery.filter( selector, this ) : this, + i = 0; - // 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.returnValue === false || - src.getPreventDefault && src.getPreventDefault() ) ? returnTrue : returnFalse; + for ( ; (elem = elems[i]) != null; i++ ) { - // Event type - } else { - this.type = src; - } + if ( !keepData && elem.nodeType === 1 ) { + jQuery.cleanData( getAll( elem ) ); + } - // Put explicitly provided properties onto the event object - if ( props ) { - jQuery.extend( this, props ); - } + if ( elem.parentNode ) { + if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) { + setGlobalEval( getAll( elem, "script" ) ); + } + elem.parentNode.removeChild( elem ); + } + } - // Create a timestamp if incoming event doesn't have one - this.timeStamp = src && src.timeStamp || jQuery.now(); + return this; + }, - // Mark it as fixed - this[ jQuery.expando ] = true; -}; + empty: function() { + var elem, + i = 0; -// 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, + for ( ; (elem = this[i]) != null; i++ ) { + // Remove element nodes and prevent memory leaks + if ( elem.nodeType === 1 ) { + jQuery.cleanData( getAll( elem, false ) ); + } - preventDefault: function() { - var e = this.originalEvent; + // Remove any remaining nodes + while ( elem.firstChild ) { + elem.removeChild( elem.firstChild ); + } - this.isDefaultPrevented = returnTrue; - if ( !e ) { - return; + // If this is a select, ensure that it displays empty (#12336) + // Support: IE<9 + if ( elem.options && jQuery.nodeName( elem, "select" ) ) { + elem.options.length = 0; + } } - // If preventDefault exists, run it on the original event - if ( e.preventDefault ) { - e.preventDefault(); - - // Support: IE - // Otherwise set the returnValue property of the original event to false - } else { - e.returnValue = false; - } + return this; }, - stopPropagation: function() { - var e = this.originalEvent; - this.isPropagationStopped = returnTrue; - if ( !e ) { - return; - } - // If stopPropagation exists, run it on the original event - if ( e.stopPropagation ) { - e.stopPropagation(); - } + clone: function( dataAndEvents, deepDataAndEvents ) { + dataAndEvents = dataAndEvents == null ? false : dataAndEvents; + deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents; - // Support: IE - // Set the cancelBubble property of the original event to true - e.cancelBubble = true; + return this.map(function() { + return jQuery.clone( this, dataAndEvents, deepDataAndEvents ); + }); }, - stopImmediatePropagation: function() { - this.isImmediatePropagationStopped = returnTrue; - this.stopPropagation(); - } -}; - -// Create mouseenter/leave events using mouseover/out and event-time checks -jQuery.each({ - mouseenter: "mouseover", - mouseleave: "mouseout" -}, function( orig, fix ) { - jQuery.event.special[ orig ] = { - delegateType: fix, - bindType: fix, - handle: function( event ) { - var ret, - target = this, - related = event.relatedTarget, - handleObj = event.handleObj; + html: function( value ) { + return access( this, function( value ) { + var elem = this[ 0 ] || {}, + i = 0, + l = this.length; - // 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; + if ( value === undefined ) { + return elem.nodeType === 1 ? + elem.innerHTML.replace( rinlinejQuery, "" ) : + undefined; } - return ret; - } - }; -}); - -// IE submit delegation -if ( !jQuery.support.submitBubbles ) { - jQuery.event.special.submit = { - setup: function() { - // Only need this for delegated form submit events - if ( jQuery.nodeName( this, "form" ) ) { - return false; - } + // See if we can take a shortcut and just use innerHTML + if ( typeof value === "string" && !rnoInnerhtml.test( value ) && + ( support.htmlSerialize || !rnoshimcache.test( value ) ) && + ( support.leadingWhitespace || !rleadingWhitespace.test( value ) ) && + !wrapMap[ (rtagName.exec( value ) || [ "", "" ])[ 1 ].toLowerCase() ] ) { - // Lazy-add a submit handler when a descendant form may potentially be submitted - jQuery.event.add( this, "click._submit keypress._submit", function( e ) { - // Node name check avoids a VML-related crash in IE (#9807) - var elem = e.target, - form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined; - if ( form && !jQuery._data( form, "submitBubbles" ) ) { - jQuery.event.add( form, "submit._submit", function( event ) { - event._submit_bubble = true; - }); - jQuery._data( form, "submitBubbles", true ); - } - }); - // return undefined since we don't need an event listener - }, + value = value.replace( rxhtmlTag, "<$1>" ); - postDispatch: function( event ) { - // If form was submitted by the user, bubble the event up the tree - if ( event._submit_bubble ) { - delete event._submit_bubble; - if ( this.parentNode && !event.isTrigger ) { - jQuery.event.simulate( "submit", this.parentNode, event, true ); - } - } - }, + try { + for (; i < l; i++ ) { + // Remove element nodes and prevent memory leaks + elem = this[i] || {}; + if ( elem.nodeType === 1 ) { + jQuery.cleanData( getAll( elem, false ) ); + elem.innerHTML = value; + } + } - teardown: function() { - // Only need this for delegated form submit events - if ( jQuery.nodeName( this, "form" ) ) { - return false; + elem = 0; + + // If using innerHTML throws an exception, use the fallback method + } catch(e) {} } - // Remove delegated handlers; cleanData eventually reaps submit handlers attached above - jQuery.event.remove( this, "._submit" ); - } - }; -} + if ( elem ) { + this.empty().append( value ); + } + }, null, value, arguments.length ); + }, -// IE change delegation and checkbox/radio fix -if ( !jQuery.support.changeBubbles ) { + replaceWith: function() { + var arg = arguments[ 0 ]; - jQuery.event.special.change = { + // Make the changes, replacing each context element with the new content + this.domManip( arguments, function( elem ) { + arg = this.parentNode; - setup: function() { + jQuery.cleanData( getAll( this ) ); - if ( rformElems.test( this.nodeName ) ) { - // IE doesn't fire change on a check/radio until blur; trigger it on click - // after a propertychange. Eat the blur-change in special.change.handle. - // This still fires onchange a second time for check/radio after blur. - if ( this.type === "checkbox" || this.type === "radio" ) { - jQuery.event.add( this, "propertychange._change", function( event ) { - if ( event.originalEvent.propertyName === "checked" ) { - this._just_changed = true; - } - }); - jQuery.event.add( this, "click._change", function( event ) { - if ( this._just_changed && !event.isTrigger ) { - this._just_changed = false; - } - // Allow triggered, simulated change events (#11500) - jQuery.event.simulate( "change", this, event, true ); - }); - } - return false; + if ( arg ) { + arg.replaceChild( elem, this ); } - // Delegated event; lazy-add a change handler on descendant inputs - jQuery.event.add( this, "beforeactivate._change", function( e ) { - var elem = e.target; + }); - if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "changeBubbles" ) ) { - jQuery.event.add( elem, "change._change", function( event ) { - if ( this.parentNode && !event.isSimulated && !event.isTrigger ) { - jQuery.event.simulate( "change", this.parentNode, event, true ); - } - }); - jQuery._data( elem, "changeBubbles", true ); + // Force removal if there was no new content (e.g., from empty arguments) + return arg && (arg.length || arg.nodeType) ? this : this.remove(); + }, + + detach: function( selector ) { + return this.remove( selector, true ); + }, + + domManip: function( args, callback ) { + + // Flatten any nested arrays + args = concat.apply( [], args ); + + var first, node, hasScripts, + scripts, doc, fragment, + i = 0, + l = this.length, + set = this, + iNoClone = l - 1, + value = args[0], + isFunction = jQuery.isFunction( value ); + + // 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() ); } + self.domManip( args, callback ); }); - }, + } - handle: function( event ) { - var elem = event.target; + if ( l ) { + fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, this ); + first = fragment.firstChild; - // Swallow native change events from checkbox/radio, we already triggered them above - if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) { - return event.handleObj.handler.apply( this, arguments ); + if ( fragment.childNodes.length === 1 ) { + fragment = first; } - }, - teardown: function() { - jQuery.event.remove( this, "._change" ); + if ( first ) { + scripts = jQuery.map( getAll( fragment, "script" ), disableScript ); + hasScripts = scripts.length; - return !rformElems.test( this.nodeName ); - } - }; -} + // 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; -// Create "bubbling" focus and blur events -if ( !jQuery.support.focusinBubbles ) { - jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) { + if ( i !== iNoClone ) { + node = jQuery.clone( node, true, true ); - // Attach a single capturing handler while someone wants focusin/focusout - var attaches = 0, - handler = function( event ) { - jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true ); - }; + // Keep references to cloned scripts for later restoration + if ( hasScripts ) { + jQuery.merge( scripts, getAll( node, "script" ) ); + } + } - jQuery.event.special[ fix ] = { - setup: function() { - if ( attaches++ === 0 ) { - document.addEventListener( orig, handler, true ); - } - }, - teardown: function() { - if ( --attaches === 0 ) { - document.removeEventListener( orig, handler, true ); + callback.call( this[i], node, i ); } - } - }; - }); -} -jQuery.fn.extend({ + if ( hasScripts ) { + doc = scripts[ scripts.length - 1 ].ownerDocument; - on: function( types, selector, data, fn, /*INTERNAL*/ one ) { - var type, origFn; + // Reenable scripts + jQuery.map( scripts, restoreScript ); - // 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; - } + // Evaluate executable scripts on first document insertion + for ( i = 0; i < hasScripts; i++ ) { + node = scripts[ i ]; + if ( rscriptType.test( node.type || "" ) && + !jQuery._data( node, "globalEval" ) && jQuery.contains( doc, node ) ) { - 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 this; - } + 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.text || node.textContent || node.innerHTML || "" ).replace( rcleanScript, "" ) ); + } + } + } + } - 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 ] ); + // Fix #11809: Avoid leaking memory + fragment = first = null; } - 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 ); - } + return this; } }); -var isSimple = /^.[^:#\[\.,]*$/, - rparentsprev = /^(?:parents|prev(?:Until|All))/, - rneedsContext = jQuery.expr.match.needsContext, - // 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({ - find: function( selector ) { - var i, +jQuery.each({ + appendTo: "append", + prependTo: "prepend", + insertBefore: "before", + insertAfter: "after", + replaceAll: "replaceWith" +}, function( name, original ) { + jQuery.fn[ name ] = function( selector ) { + var elems, + i = 0, ret = [], - self = this, - len = self.length; + insert = jQuery( selector ), + last = insert.length - 1; - 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; - } - } - }) ); - } + for ( ; i <= last; i++ ) { + elems = i === last ? this : this.clone(true); + jQuery( insert[i] )[ original ]( elems ); - for ( i = 0; i < len; i++ ) { - jQuery.find( selector, self[ i ], ret ); + // Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get() + push.apply( ret, elems.get() ); } - // 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; - }, + return this.pushStack( ret ); + }; +}); - has: function( target ) { - var i, - targets = jQuery( target, this ), - len = targets.length; - return this.filter(function() { - for ( i = 0; i < len; i++ ) { - if ( jQuery.contains( this, targets[i] ) ) { - return true; - } - } - }); - }, +var iframe, + elemdisplay = {}; - not: function( selector ) { - return this.pushStack( winnow(this, selector || [], true) ); - }, +/** + * 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 ), - filter: function( selector ) { - return this.pushStack( winnow(this, selector || [], false) ); - }, + // getDefaultComputedStyle might be reliably used only on attached element + display = window.getDefaultComputedStyle && ( style = window.getDefaultComputedStyle( elem[ 0 ] ) ) ? - is: function( selector ) { - return !!winnow( - this, + // Use of this method is a temporary fix (more like optmization) until something better comes along, + // since it was removed from specification and supported only in FF + style.display : jQuery.css( elem[ 0 ], "display" ); - // 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; - }, + // 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(); - closest: function( selectors, context ) { - var cur, - i = 0, - l = this.length, - ret = [], - pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ? - jQuery( selectors, context || this.context ) : - 0; + return display; +} - 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 : +/** + * Try to determine the default display value of an element + * @param {String} nodeName + */ +function defaultDisplay( nodeName ) { + var doc = document, + display = elemdisplay[ nodeName ]; - // Don't pass non-elements to Sizzle - cur.nodeType === 1 && - jQuery.find.matchesSelector(cur, selectors)) ) { + if ( !display ) { + display = actualDisplay( nodeName, doc ); - cur = ret.push( cur ); - break; - } - } + // If the simple way fails, read from inside an iframe + if ( display === "none" || !display ) { + + // Use the already-created iframe if possible + iframe = (iframe || jQuery( "