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/*! * jQuery JavaScript Library v1.5 * http://jquery.com/ * * Copyright 2011, John Resig * Dual licensed under the MIT or GPL Version 2 licenses. * http://jquery.org/license * * Includes Sizzle.js * http://sizzlejs.com/ * Copyright 2011, The Dojo Foundation * Released under the MIT, BSD, and GPL Licenses. * * Date: Mon Jan 31 08:31:29 2011 -0500 */ //本来想折腾karma和yeoman， 折腾不起来， 浪费了一大堆时间， 不玩他们了， 复习下jQuery才是正道啊; (function( window, undefined ) { // Use the correct document accordingly with window argument (sandbox) // 提高document速度; var document = window.document; var jQuery = (function() { // Define a local copy of jQuery var jQuery = function( selector, context ) { // The jQuery object is actually just the init constructor ‘enhanced‘ return new jQuery.fn.init( selector, context, rootjQuery ); }, //防冲突处理; // Map over jQuery in case of overwrite _jQuery = window.jQuery, // Map over the $ in case of overwrite _$ = window.$, //通过jQ实例化后的根节点(document), 里面用的比较多, 直接缓存起来; // A central reference to the root jQuery(document) rootjQuery, // A simple way to check for HTML strings or ID strings // (both of which we optimize for) //(<[\w\W]+>)匹配< ***** > quickExpr = /^(?:[^<]*(<[\w\W]+>)[^>]*$|#([\w\-]+)$)/, //匹配非空格; // Check if a string has a non-whitespace character in it rnotwhite = /\S/, // Used for trimming whitespace trimLeft = /^\s+/, trimRight = /\s+$/, // Check for digits //只要匹配单数字就可以了; rdigit = /\d/, // Match a standalone tag // 只要匹配<div sdfsd></div> //或者 //<div sdfsdf> rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/, // JSON RegExp rvalidchars = /^[\],:{}\s]*$/, rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g, // Useragent RegExp //用户代理会匹配出用户的浏览器 和 该浏览器的版本; rwebkit = /(webkit)[ \/]([\w.]+)/, ropera = /(opera)(?:.*version)?[ \/]([\w.]+)/, rmsie = /(msie) ([\w.]+)/, rmozilla = /(mozilla)(?:.*? rv:([\w.]+))?/, // Keep a UserAgent string for use with jQuery.browser userAgent = navigator.userAgent, // For matching the engine and version of the browser browserMatch, // Has the ready events already been bound? readyBound = false, //这个就是一个数组， 保存了DOM ready的列表; // The deferred used on DOM ready readyList, // Promise methods promiseMethods = "then done fail isResolved isRejected promise".split( " " ), //DOM准备(展示)好了就会触发这个 // The ready event handler DOMContentLoaded, //快捷的写法; // Save a reference to some core methods toString = Object.prototype.toString, hasOwn = Object.prototype.hasOwnProperty, push = Array.prototype.push, slice = Array.prototype.slice, trim = String.prototype.trim, indexOf = Array.prototype.indexOf, //{ [object Object] : "object" , [object Array] : "array" }象这样的东东; // [[Class]] -> type pairs class2type = {}; jQuery.fn = jQuery.prototype = { //不改就是object的constructor了; constructor: jQuery, //处理了几种情况 init: function( selector, context, rootjQuery ) { var match, elem, ret, doc; // Handle $(""), $(null), or $(undefined) //没有的话返回空的实例，继承了jq的原型的空对象; if ( !selector ) { return this; } //单独处理传单个元素进来的情况; // Handle $(DOMElement) if ( selector.nodeType ) { this.context = this[0] = selector; this.length = 1; return this; } //处理了body, 优化, 1.4是没有这个的; // The body element only exists once, optimize finding it if ( selector === "body" && !context && document.body ) { this.context = document; this[0] = document.body; this.selector = "body"; this.length = 1; return this; } // Handle HTML strings // 是字符串 或者是 一个函数 if ( typeof selector === "string" ) { // Are we dealing with HTML string or an ID? match = quickExpr.exec( selector ); //$("<div></div>") ==>> ["<div></div>", "<div></div>", undefined]; //$("#div1") ==>> ["#div1", undefined, "div1"]; // Verify a match, and that no context was specified for #id if ( match && (match[1] || !context) ) { // HANDLE: $(html) -> $(array) if ( match[1] ) { //上下文 context = context instanceof jQuery ? context[0] : context; //通过context获取当前界面的文档 或者document; //有可能是iframe里面的元素; doc = (context ? context.ownerDocument || context : document); // If a single string is passed in and it‘s a single tag // just do a createElement and skip the rest //是否是单标签; ret = rsingleTag.exec( selector ); if ( ret ) { //$("<div></div>",{hehe:"hehe"}); if ( jQuery.isPlainObject( context ) ) { selector = [ document.createElement( ret[1] ) ]; jQuery.fn.attr.call( selector, context, true ); } else { $("<div>") selector = [ doc.createElement( ret[1] ) ]; } } else { //通过buildFragement处理传进来的字符串; //比如 ： $("<div dfdf></div><div>sdfsdf</div>"); //会变成： [<div dfdf></div>, <div>sdfsdf</div>]; ret = jQuery.buildFragment( [ match[1] ], [ doc ] ); selector = (ret.cacheable ? jQuery.clone(ret.fragment) : ret.fragment).childNodes; } return jQuery.merge( this, selector ); // 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 // ie下name和id混肴的情况通过sizzle匹配元素 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 { //通过sizzle //this.constructor()就是 $() return this.constructor( context ).find( selector ); } // HANDLE: $(function) // Shortcut for document ready } else if ( jQuery.isFunction( selector ) ) { //$(document).ready(fn(){}) return rootjQuery.ready( selector ); } if (selector.selector !== undefined) { this.selector = selector.selector; this.context = selector.context; } //继承jQ return jQuery.makeArray( selector, this ); }, // Start with an empty selector selector: "", // The current version of jQuery being used jquery: "1.5", // The default length of a jQuery object is 0 length: 0, // The number of elements contained in the matched element set size: function() { return this.length; }, //这个就是 jQ.fn //就是 jQ.prototype toArray: function() { return slice.call( this, 0 ); }, // Get the Nth element in the matched element set OR // Get the whole matched element set as a clean array //可以不用传参数， //可以传正数或者负数; get: function( num ) { return num == null ? // Return a ‘clean‘ array this.toArray() : // Return just the object ( num < 0 ? this[ this.length + num ] : this[ num ] ); }, // Take an array of elements and push it onto the stack // (returning the new matched element set) // $("html").pushStack($("body")).prevObject pushStack: function( elems, name, selector ) { // Build a new jQuery matched element set //一个空的jQ对象; var ret = this.constructor(); //如果是数组就把树枝放到ret里去； if ( jQuery.isArray( elems ) ) { push.apply( ret, elems ); } else { //否者就直接放到ret； jQuery.merge( ret, elems ); } // Add the old object onto the stack (as a reference) ret.prevObject = this; ret.context = this.context; //保存selector; if ( name === "find" ) { ret.selector = this.selector + (this.selector ? " " : "") + selector; } else if ( name ) { ret.selector = this.selector + "." + name + "(" + selector + ")"; } // Return the newly-formed element set return ret; }, // Execute a callback for every element in the matched set. // (You can seed the arguments with an array of args, but this is // only used internally.) each: function( callback, args ) { //如果有传args的话callback的参数为value, key; return jQuery.each( this, callback, args ); }, // jQuery.ready(function() {}) ready: function( fn ) { // Attach the listeners //没事，这个就会绑定一次，第二次会跳出来; jQuery.bindReady(); // Add the callback readyList.done( fn ); //链式调用 return this; }, eq: function( i ) { return i === -1 ? this.slice( i ) : this.slice( i, +i + 1 ); }, first: function() { return this.eq( 0 ); }, last: function() { return this.eq( -1 ); }, slice: function() { return this.pushStack( slice.apply( this, arguments ), "slice", slice.call(arguments).join(",") ); }, 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: push, sort: [].sort, splice: [].splice }; // 所有在fn上的 // Give the init function the jQuery prototype for later instantiation jQuery.fn.init.prototype = jQuery.fn; //还是复制继承比较靠谱 jQuery.extend = jQuery.fn.extend = function() { var options, name, src, copy, copyIsArray, clone, target = arguments[0] || {}, i = 1, length = arguments.length, //默认为非深度复制 deep = false; //深度拷贝 // Handle a deep copy situation if ( typeof target === "boolean" ) { deep = target; target = arguments[1] || {}; // skip the boolean and the target i = 2; }; //要继承的目标不是对象， 或者不是function // Handle case when target is a string or something (possible in deep copy) if ( typeof target !== "object" && !jQuery.isFunction(target) ) { target = {}; }; //$.extend({xx : yy}); 就是 length === 1; // extend jQuery itself if only one argument is passed if ( length === i ) { target = this; --i; }; for ( ; i < length; i++ ) { // Only deal with non-null/undefined values // null undefined继承个毛线; if ( (options = arguments[ i ]) != null ) { // Extend the base object /* //这个是target === copy的情况， 避免循环引用; var bar = {copy : 3 }; $.extend(bar, { wawa : 2 ,lele : 1 , foo : bar}); */ for ( name in options ) { src = target[ name ]; copy = options[ name ]; // Prevent never-ending loop if ( target === copy ) { continue; } //不是深度继承，主要copy不是undefined直接覆盖掉 // Recurse if we‘re merging plain objects or arrays if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) { //如果targer下不存在这个 数组 或者 对象 属性，就新建一个同名属性; if ( copyIsArray ) { copyIsArray = false; clone = src && jQuery.isArray(src) ? src : []; } else { clone = src && jQuery.isPlainObject(src) ? src : {}; } //再继承;O 了 // Never move original objects, clone them target[ name ] = jQuery.extend( deep, clone, copy ); // Don‘t bring in undefined values } else if ( copy !== undefined ) { target[ name ] = copy; } } } } // Return the modified object return target; }; //bind工具方法和 DOMready; jQuery.extend({ noConflict: function( deep ) { //某些版本会这样处理 /* if(window.$ == $) { window.$ = _$; } */ window.$ = _$; if ( deep ) { window.jQuery = _jQuery; } return jQuery; }, /* //查看jQ的6781bugs时候找到的东东，贴出来， IE ，onpropertchange属性真是碉堡了。。; <!DOCTYPE html> <html> <head> <title>Resource Loading event/property test</title> <script> "use strict"; //Set up the (expando) property if (!("resourceLoading" in document.documentElement)) { document.documentElement.resourceLoading = 0; } function modify(value) { //modify the value document.documentElement.resourceLoading = value; //Notify listeners. //No attachEvent branch since in IE modifying the expando triggers //onpropertychange if (document.addEventListener) { var evt = document.createEvent("UIEvents"); evt.initEvent("documentElementResourceLoading", false, false); document.dispatchEvent(evt); } } function listen(callback) { if (document.addEventListener) { document.addEventListener("documentElementResourceLoading", function (evt) { callback(document.documentElement.resourceLoading); }, false); } else if (document.attachEvent) { document.documentElement.attachEvent("onpropertychange", function (evt) { if (evt.propertyName === "resourceLoading") { callback(document.documentElement.resourceLoading); } }); } } function increment() { modify(document.documentElement.resourceLoading + 1); } function decrement() { modify(document.documentElement.resourceLoading - 1); } function msg(message) { document.getElementById("output").innerHTML += ‘<br>‘ + message; } increment(); increment(); listen(function (value) { msg(‘resourceLoading is now: ‘ + value); }); </script> </head> <body> <h1>Resource Loading event/property test</h1> <button onclick="increment()">Increment</button> <button onclick="decrement()">Decrement</button> <button onclick="msg(‘resourceLoading current value: ‘ + document.documentElement.resourceLoading)">Current Value</button> <button onclick="msg(‘Is resourceLoading in documentElement: ‘ + (‘resourceLoading‘ in document.documentElement))">resourceLoading in document.documentElement</button> <div id="output"></div> </body> </html> */ // Is the DOM ready to be used? Set to true once it occurs. isReady: false, // A counter to track how many items to wait for before // the ready event fires. See #6781 readyWait: 1, // Handle when the DOM is ready // 用户$.ready(true)这样执行也ok,手动触发事件; ready: function( wait ) { // A third-party is pushing the ready event forwards if ( wait === true ) { jQuery.readyWait--; } // Make sure that the DOM is not already loaded //默认的readyWait被-1了，执行的话就为真了 //DOM的isReady是假，就会走; if ( !jQuery.readyWait || (wait !== true && !jQuery.isReady) ) { // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443). // body都不存在还玩个毛.... if ( !document.body ) { return setTimeout( jQuery.ready, 1 ); } // Remember that the DOM is ready jQuery.isReady = true; //需要支援了, wa了个去; // If a normal DOM Ready event fired, decrement, and wait if need be if ( wait !== true && --jQuery.readyWait > 0 ) { return; }; //reasyList是该版本jQ的延迟对象; // If there are functions bound, to execute readyList.resolveWith( document, [ jQuery ] ); // Trigger any bound ready events if ( jQuery.fn.trigger ) { //解绑定ready事件; jQuery( document ).trigger( "ready" ).unbind( "ready" ); }; } }, bindReady: function() { //readyBound是闭包内部的全局 if ( readyBound ) { return; } readyBound = true; // Catch cases where $(document).ready() is called after the // browser event has already occurred. // 因为jQ有可能是在DOM已经加载完成的的状态下加载的; if ( document.readyState === "complete" ) { // Handle it asynchronously to allow scripts the opportunity to delay ready // 虽然没有绑定用户事件, 但是jQ内部会添加DOMReady用来检测DOM加载完毕的一些兼容问题; return setTimeout( jQuery.ready, 1 ); } //DOM3的加载完毕事件; // Mozilla, Opera and webkit nightlies currently support this event if ( document.addEventListener ) { // Use the handy event callback document.addEventListener( "DOMContentLoaded", DOMContentLoaded, false ); // 也有可能onload比DOMContentLoaded先加载完毕 // A fallback to window.onload, that will always work window.addEventListener( "load", jQuery.ready, false ); // If IE event model is used // 回退到IE的事件绑定; } else if ( document.attachEvent ) { // ensure firing before onload, // maybe late but safe also for iframes document.attachEvent("onreadystatechange", DOMContentLoaded); // A fallback to window.onload, that will always work window.attachEvent( "onload", jQuery.ready ); // 如果当前的界面不是通过iframe套到别的界面的话; // If IE and not a frame // continually check to see if the document is ready var toplevel = false; try { toplevel = window.frameElement == null; } catch(e) {} if ( document.documentElement.doScroll && toplevel ) { doScrollCheck(); } } }, // See test/unit/core.js for details concerning isFunction. // Since version 1.3, DOM methods and functions like alert // aren‘t supported. They return false on IE (#2968). // IE8及下 typeof window.alert 返回的值为 "object" // 扩展IE8以及前版本 的的DOM是组件，ActiveX与com组件 ： 参考http://baike.baidu.com/link?url=_S3UOypMzmx855aEEmzYqlC7iaHzWSxZE4si844SqWdr1glw2VgRkNBDb949loODUc5OEyZkRGXowtnztL5wWK isFunction: function( obj ) { return jQuery.type(obj) === "function"; }, isArray: Array.isArray || function( obj ) { return jQuery.type(obj) === "array"; }, // A crude way of determining if an object is a window isWindow: function( obj ) { return obj && typeof obj === "object" && "setInterval" in obj; }, isNaN: function( obj ) { return obj == null || !rdigit.test( obj ) || isNaN( obj ); }, type: function( obj ) { return obj == null ? String( obj ) : class2type[ toString.call(obj) ] || "object"; }, //是否是纯净的对象; isPlainObject: function( obj ) { // Must be an Object. // Because of IE, we also have to check the presence of the constructor property. // Make sure that DOM nodes and window objects don‘t pass through, as well if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) { return false; } // 如果是纯净的obj，那么constructor肯定是Object; // Not own constructor property must be Object if ( obj.constructor && !hasOwn.call(obj, "constructor") && !hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) { return false; } // Own properties are enumerated firstly, so to speed up, // if last one is own, then all properties are own. //继承的key值会在最后遍历到, 所以只要检测最后一个就好了; var key; for ( key in obj ) {}; return key === undefined || hasOwn.call( obj, key ); }, //没啥用哇，判断是否是空对象 ； isEmptyObject: function( obj ) { for ( var name in obj ) { return false; } return true; }, //直接 throw msg 不就好了 error: function( msg ) { throw msg; }, parseJSON: function( data ) { if ( typeof data !== "string" || !data ) { return null; } // Make sure leading/trailing whitespace is removed (IE can‘t handle it) data = jQuery.trim( data ); // Make sure the incoming data is actual JSON // Logic borrowed from http://json.org/json2.js // 替换一些非法字符, 这些字符会邮箱到JSON的parse; // /^[\],:{}\s]*$/ // /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g if ( rvalidchars.test(data.replace(rvalidescape, "@") .replace(rvalidtokens, "]") .replace(rvalidbraces, "")) ) { // Try to use the native JSON parser first return window.JSON && window.JSON.parse ? window.JSON.parse( data ) : //匿名 自动执行 ， 这里可用eval; (new Function("return " + data))(); } else { jQuery.error( "Invalid JSON: " + data ); }; //扩展 (new Function("wa","return {hehe:wa}"))(1); }, //IE通过Microsoft.XMLDOM方式parseXML; // Cross-browser xml parsing // (xml & tmp used internally) parseXML: function( data , xml , tmp ) { 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 ); }; tmp = xml.documentElement; if ( ! tmp || ! tmp.nodeName || tmp.nodeName === "parsererror" ) { jQuery.error( "Invalid XML: " + data ); } return xml; }, noop: function() {}, // Evalulates a script in a global context globalEval: function( data ) { //rnotwhite = /\S/ 非空字符就好了; if ( data && rnotwhite.test(data) ) { // Inspired by code by Andrea Giammarchi // http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html var head = document.getElementsByTagName("head")[0] || document.documentElement, script = document.createElement("script"); script.type = "text/javascript"; //标准的通过新建createTextNode if ( jQuery.support.scriptEval() ) { script.appendChild( document.createTextNode( data ) ); } else { //IE的用text属性; script.text = data; } // Use insertBefore instead of appendChild to circumvent an IE6 bug. // This arises when a base node is used (#2709). head.insertBefore( script, head.firstChild ); head.removeChild( script ); } }, nodeName: function( elem, name ) { //实例方法的东东是引用工具方法的 return elem.nodeName && elem.nodeName.toUpperCase() === name.toUpperCase(); }, // args is for internal usage only // $.each({1:2},function(a ,args){console.log(this);console.log(arguments)},["a","b","c","d"]) each: function( object, callback, args ) { var name, i = 0, length = object.length, isObj = length === undefined || jQuery.isFunction(object); //如果有args存在的情况下, 内部用的吧，平常我们用不多; if ( args ) { if ( isObj ) { for ( name in object ) { if ( callback.apply( object[ name ], args ) === false ) { break; } } } else { for ( ; i < length; ) { if ( callback.apply( object[ i++ ], args ) === false ) { break; } } } // A special, fast, case for the most common use of each } else { if ( isObj ) { for ( name in object ) { //key value if ( callback.call( object[ name ], name, object[ name ] ) === false ) { break; } } } else { for ( var value = object[0]; //index obj; i < length && callback.call( value, i, value ) !== false; value = object[++i] ) {} } } return object; }, // Use native String.trim function wherever possible //第一次就直接执行, 以后就不用判断了; trim: trim ? function( text ) { return text == null ? "" : trim.call( text ); } : // Otherwise use our own trimming functionality function( text ) { return text == null ? "" : text.toString().replace( trimLeft, "" ).replace( trimRight, "" ); }, // results is for internal usage only /* $.makeArray("ab") ["ab"] $.makeArray(1) [1] $.makeArray( ) [] $.makeArray($("body"), [1,2,3,4]); [1, 2, 3, 4, "<body>?…?</body>?"] makeArray是把前面的往后面放; */ makeArray: function( array, results ) { var ret = results || []; if ( array != null ) { // The window, strings (and functions) also have ‘length‘ // The extra typeof function check is to prevent crashes // in Safari 2 (See: #3039) // Tweaked logic slightly to handle Blackberry 4.7 RegExp issues #6930 var type = jQuery.type(array); if ( array.length == null || type === "string" || type === "function" || type === "regexp" || jQuery.isWindow( array ) ) { push.call( ret, array ); } else { jQuery.merge( ret, array ); }; }; return ret; }, // inArray可以检测NodeList或者是伪数组; inArray: function( elem, array ) { if ( array.indexOf ) { return array.indexOf( elem ); } for ( var i = 0, length = array.length; i < length; i++ ) { if ( array[ i ] === elem ) { return i; } } return -1; }, //merge可以merge伪数组; //$.merge($("body"),$("html")); merge: function( first, second ) { var i = first.length, j = 0; if ( typeof second.length === "number" ) { for ( var l = second.length; j < l; j++ ) { first[ i++ ] = second[ j ]; } } else { while ( second[j] !== undefined ) { first[ i++ ] = second[ j++ ]; } } first.length = i; return first; }, //grep就是new Array().filter, 当然, 前提是如果有的话; grep: function( elems, callback, inv ) { var ret = [], retVal; inv = !!inv; // Go through the array, only saving the items // that pass the validator function for ( var i = 0, length = elems.length; i < length; i++ ) { retVal = !!callback( elems[ i ], i ); if ( inv !== retVal ) { ret.push( elems[ i ] ); } } return ret; }, // 就是new Array().map, 当然, 前提是如果有的话; // arg is for internal usage only map: function( elems, callback, arg ) { var ret = [], value; // Go through the array, translating each of the items to their // new value (or values). for ( var i = 0, length = elems.length; i < length; i++ ) { value = callback( elems[ i ], i, arg ); if ( value != null ) { ret[ ret.length ] = value; } } // Flatten any nested arrays return ret.concat.apply( [], ret ); }, //小东西的大用处; // A global GUID counter for objects guid: 1, /* 你可以用proxy把两个函数设置成统一的guid, 这个存在的意义是事件里面会用到fn.guid,代理以后的proxy的guid不能变的; $.proxy(fn0 = function() {}, fn1 = function(){}) fn0.guid ==>> 1 fn1.guid ==>> 1 */ proxy: function( fn, proxy, thisObject ) { if ( arguments.length === 2 ) { //这个.... if ( typeof proxy === "string" ) { thisObject = fn; fn = thisObject[ proxy ]; proxy = undefined; //如果proxy不是function //$.proxy(function(){console.log(this)}, document)() //就是说thisObject是上下文; } else if ( proxy && !jQuery.isFunction( proxy ) ) { thisObject = proxy; proxy = undefined; } }; if ( !proxy && fn ) { //这个就改了上下文，没有使用柯里化的方式; proxy = function() { return fn.apply( thisObject || this, arguments ); }; } //为了统一guid // Set the guid of unique handler to the same of original handler, so it can be removed if ( fn ) { //如果fn有guid就设置proxy.guid和proxy的guid相等; //有proxy就把proxy的guid和fn的guid相等; //都没有就设置一个就好了; proxy.guid = fn.guid = fn.guid || proxy.guid || jQuery.guid++; }; // So proxy can be declared as an argument return proxy; }, // Mutifunctional method to get and set values to a collection // The value/s can be optionally by executed if its a function //为了减少代码量， 弄了个这个东东; access: function( elems, key, value, exec, fn, pass ) { var length = elems.length; // Setting many attributes //对对对对，这个就是设置了 if ( typeof key === "object" ) { for ( var k in key ) { jQuery.access( elems, k, key[k], exec, fn, value ); } return elems; } // Setting one attribute if ( value !== undefined ) { // Optionally, function values get executed if exec is true // 首先exec要说true, 而且value是个function; // exec = !pass && exec && jQuery.isFunction(value); /* //当 $("body").attr("hehe","hehe").attr("hehe",function(index,att) { console.log(att); return att+111 }); //fn为获取和设置的回调; */ for ( var i = 0; i < length; i++ ) { //如果是执行就执行， this为当前元素，参数为index , //fn为获取当前值; //exec为假, value就是null或者一个要设定的值; fn( elems[i], key, exec ? value.call( elems[i], i, fn( elems[i], key ) ) : value, pass ); } return elems; } // Getting an attribute return length ? fn( elems[0], key ) : undefined; }, now: function() { return (new Date()).getTime(); }, // Create a simple deferred (one callbacks list) _Deferred: function() { var // callbacks list callbacks = [], // stored [ context , args ] fired, // to avoid firing when already doing so firing, // flag to know if the deferred has been cancelled cancelled, // the deferred itself //每次都返回一个延迟对象; deferred = { // done( f1, f2, ...) done: function() { //defer被cacel()的话就还done个毛线球; if ( !cancelled ) { var args = arguments, i, length, elem, type, _fired; if ( fired ) { _fired = fired; fired = 0; }; //把药执行的方法放到callback里面去; for ( i = 0, length = args.length; i < length; i++ ) { elem = args[ i ]; type = jQuery.type( elem ); if ( type === "array" ) { deferred.done.apply( deferred, elem ); } else if ( type === "function" ) { callbacks.push( elem ); } }; // if ( _fired ) { //如果resolveWith完以后就有_fired这个东东; deferred.resolveWith( _fired[ 0 ], _fired[ 1 ] ); } } return this; }, // resolve with given context and args resolveWith: function( context, args ) { if ( !cancelled && !fired && !firing ) { //firing变成已经执行; firing = 1; try { //使用context 和 args为一个数组，作为callback的参数传进去; while( callbacks[ 0 ] ) { callbacks.shift().apply( context, args ); } } finally { fired = [ context, args ]; firing = 0; } } return this; }, // resolve with this as context and given arguments resolve: function() { //如果是通过Deferred生成的实例, 这个配合promise执行, 上下文为promise , 这个promise有这些方法; //then done fail isResolved isRejected promise //如果没有promise就相当于resoveWith了, 主要是为callback提供了当前延迟对象的上下文; deferred.resolveWith( jQuery.isFunction( this.promise ) ? this.promise() : this, arguments ); return this; }, // Has this deferred been resolved? //返回状态 isResolved: function() { return !!( firing || fired ); }, // Cancel cancel: function() { cancelled = 1; callbacks = []; return this; } }; return deferred; }, // Full fledged deferred (two callbacks list) Deferred: function( func ) { var deferred = jQuery._Deferred(), failDeferred = jQuery._Deferred(), promise; // Add errorDeferred methods, then and promise jQuery.extend( deferred, { then: function( doneCallbacks, failCallbacks ) { deferred.done( doneCallbacks ).fail( failCallbacks ); return this; }, fail: failDeferred.done, rejectWith: failDeferred.resolveWith, reject: failDeferred.resolve, isRejected: failDeferred.isResolved, // Get a promise for this deferred // If obj is provided, the promise aspect is added to the object // promise是为了保护deferred的状态, 防止状态被修改; promise: function( obj , i /* internal */ ) { if ( obj == null ) { if ( promise ) { return promise; } promise = obj = {}; } i = promiseMethods.length; while( i-- ) { obj[ promiseMethods[ i ] ] = deferred[ promiseMethods[ i ] ]; } return obj; } } ); // Make sure only one callback list will be used //如果成功回调执行了， 失败的回调就清空; //如果失败的回调执行了， 成功的回调就清空; deferred.then( failDeferred.cancel, deferred.cancel ); // Unexpose cancel delete deferred.cancel; // Call given func if any //如果你传一个函数进来; //var f = function(arg){ f.aa = arg}; $.Deferred(f); // f就有了deferred这个东东; if ( func ) { func.call( deferred, deferred ); } return deferred; }, // Deferred helper when: function( object ) { var args = arguments, length = args.length, //若传进来只有一个deferred，那么deferred就是这个延迟对象， // 否则新建一deferred; deferred = length <= 1 && object && jQuery.isFunction( object.promise ) ? object : jQuery.Deferred(), //保护变量; promise = deferred.promise(), resolveArray; if ( length > 1 ) { resolveArray = new Array( length ); jQuery.each( args, function( index, element ) { jQuery.when( element ).then( function( value ) { //为每一个传进来的延迟对象添加一个回调function; //并把回调传进来的value保存到resolveArray里面; resolveArray[ index ] = arguments.length > 1 ? slice.call( arguments, 0 ) : value; //如果count清空了 if( ! --length ) { //执行回调; deferred.resolveWith( promise, resolveArray ); } }, deferred.reject ); } ); } else if ( deferred !== object ) { deferred.resolve( object ); }; //返回 return promise; }, // Use of jQuery.browser is frowned upon. // More details: http://docs.jquery.com/Utilities/jQuery.browser /* Here are some typical results: Internet Explorer: 6.0, 7.0, 8.0 Mozilla/Firefox/Flock/Camino: 1.7.12, 1.8.1.3, 1.9 Opera: 10.06, 11.01 Safari/Webkit: 312.8, 418.9 */ uaMatch: function( ua ) { ua = ua.toLowerCase(); var match = rwebkit.exec( ua ) || ropera.exec( ua ) || rmsie.exec( ua ) || ua.indexOf("compatible") < 0 && rmozilla.exec( ua ) || []; return { browser: match[1] || "", version: match[2] || "0" }; }, //一个jQ的子集， 毛用啊，我勒个去; sub: function() { function jQuerySubclass( selector, context ) { //这个从原型链上找， 会找到了原来的jQ.fn.init return new jQuerySubclass.fn.init( selector, context ); } //继承工具方法; jQuery.extend( true, jQuerySubclass, this ); //把jQuery保存作为父类; jQuerySubclass.superclass = this; //改变sub的原型为 一个空的jQ对象; jQuerySubclass.fn = jQuerySubclass.prototype = this(); //修复constructor; jQuerySubclass.fn.constructor = jQuerySubclass; //子类; jQuerySubclass.subclass = this.subclass; jQuerySubclass.fn.init = function init( selector, context ) { //上下文的修复; if ( context && context instanceof jQuery && !(context instanceof jQuerySubclass) ) { context = jQuerySubclass(context); } //执行; return jQuery.fn.init.call( this, selector, context, rootjQuerySubclass ); }; //跟jQ一样把subClass的原型 挂到prototype.init的原型上面; jQuerySubclass.fn.init.prototype = jQuerySubclass.fn; //定义了一个闭包的 documentRoot; var rootjQuerySubclass = jQuerySubclass(document); return jQuerySubclass; }, browser: {} }); //到了目前为止， 为$ extend了一些工具方法; //该版本的这个延迟对象就是一个执行列表 // Create readyList deferred readyList = jQuery._Deferred(); //初始化type的map; // Populate the class2type map jQuery.each("Boolean Number String Function Array Date RegExp Object".split(" "), function(i, name) { class2type[ "[object " + name + "]" ] = name.toLowerCase(); }); //设置浏览器的标准; browserMatch = jQuery.uaMatch( userAgent ); if ( browserMatch.browser ) { jQuery.browser[ browserMatch.browser ] = true; jQuery.browser.version = browserMatch.version; }; //precated : 赞成 ，deprecated不赞成; // Deprecated, use jQuery.browser.webkit instead if ( jQuery.browser.webkit ) { jQuery.browser.safari = true; } //上面有$.inArray，应该是复写了; if ( indexOf ) { jQuery.inArray = function( elem, array ) { return indexOf.call( array, elem ); }; } // IE doesn‘t match non-breaking spaces with \s // 修复IE的正则reg的问题; if ( rnotwhite.test( "\xA0" ) ) { trimLeft = /^[\s\xA0]+/; trimRight = /[\s\xA0]+$/; } // All jQuery objects should point back to these rootjQuery = jQuery(document); // Cleanup functions for the document ready method // 定义 标准的文档加载完毕 执行事件 ,事件会取消加载完毕的绑定，执行jQuery.ready(); if ( document.addEventListener ) { DOMContentLoaded = function() { document.removeEventListener( "DOMContentLoaded", DOMContentLoaded, false ); jQuery.ready(); }; } else if ( document.attachEvent ) { DOMContentLoaded = function() { // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443). if ( document.readyState === "complete" ) { document.detachEvent( "onreadystatechange", DOMContentLoaded ); jQuery.ready(); } }; } // The DOM ready check for Internet Explorer // IE下如果document可以滚动了就是dom加载完毕， 神马鸟hack。。笑尿;; // 事件会取消加载完毕的绑定，执行jQuery.ready() function doScrollCheck() { if ( jQuery.isReady ) { return; } try { // If IE is used, use the trick by Diego Perini // http://javascript.nwbox.com/IEContentLoaded/ document.documentElement.doScroll("left"); } catch(e) { setTimeout( doScrollCheck, 1 ); return; } // and execute any waiting functions jQuery.ready(); } // Expose jQuery to the global object return (window.jQuery = window.$ = jQuery); })(); //想看JS的兼容问题吗，来吧，来看jQuery的代码吧，哈哈; (function() { jQuery.support = {}; var div = document.createElement("div"); div.style.display = "none"; div.innerHTML = " <link/><table></table><a href=‘/a‘ style=‘color:red;float:left;opacity:.55;‘>a</a><input type=‘checkbox‘/>"; var all = div.getElementsByTagName("*"), a = div.getElementsByTagName("a")[0], select = document.createElement("select"), opt = select.appendChild( document.createElement("option") ); // Can‘t get basic test support if ( !all || !all.length || !a ) { return; } jQuery.support = { // IE strips leading whitespace when .innerHTML is used leadingWhitespace: div.firstChild.nodeType === 3, // Make sure that tbody elements aren‘t automatically inserted // IE will insert them into empty tables tbody: !div.getElementsByTagName("tbody").length, // Make sure that link elements get serialized correctly by innerHTML // This requires a wrapper element in IE htmlSerialize: !!div.getElementsByTagName("link").length, // Get the style information from getAttribute // (IE uses .cssText insted) style: /red/.test( a.getAttribute("style") ), // Make sure that URLs aren‘t manipulated // (IE normalizes it by default) hrefNormalized: a.getAttribute("href") === "/a", // Make sure that element opacity exists // (IE uses filter instead) // Use a regex to work around a WebKit issue. See #5145 opacity: /^0.55$/.test( a.style.opacity ), // Verify style float existence // (IE uses styleFloat instead of cssFloat) cssFloat: !!a.style.cssFloat, // Make sure that if no value is specified for a checkbox // that it defaults to "on". // (WebKit defaults to "" instead) checkOn: div.getElementsByTagName("input")[0].value === "on", // 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) optSelected: opt.selected, // Will be defined later deleteExpando: true, optDisabled: false, checkClone: false, _scriptEval: null, noCloneEvent: true, boxModel: null, inlineBlockNeedsLayout: false, shrinkWrapBlocks: false, reliableHiddenOffsets: true }; // Make sure that the options inside disabled selects aren‘t marked as disabled // (WebKit marks them as diabled) select.disabled = true; jQuery.support.optDisabled = !opt.disabled; jQuery.support.scriptEval = function() { if ( jQuery.support._scriptEval === null ) { var root = document.documentElement, script = document.createElement("script"), id = "script" + jQuery.now(); script.type = "text/javascript"; try { script.appendChild( document.createTextNode( "window." + id + "=1;" ) ); } catch(e) {} root.insertBefore( script, root.firstChild ); // Make sure that the execution of code works by injecting a script // tag with appendChild/createTextNode // (IE doesn‘t support this, fails, and uses .text instead) if ( window[ id ] ) { jQuery.support._scriptEval = true; delete window[ id ]; } else { jQuery.support._scriptEval = false; } root.removeChild( script ); // release memory in IE root = script = id = null; } return jQuery.support._scriptEval; }; // Test to see if it‘s possible to delete an expando from an element // Fails in Internet Explorer try { delete div.test; } catch(e) { jQuery.support.deleteExpando = false; } if ( div.attachEvent && div.fireEvent ) { div.attachEvent("onclick", function click() { // Cloning a node shouldn‘t copy over any // bound event handlers (IE does this) jQuery.support.noCloneEvent = false; div.detachEvent("onclick", click); }); div.cloneNode(true).fireEvent("onclick"); } div = document.createElement("div"); div.innerHTML = "<input type=‘radio‘ name=‘radiotest‘ checked=‘checked‘/>"; var fragment = document.createDocumentFragment(); fragment.appendChild( div.firstChild ); // WebKit doesn‘t clone checked state correctly in fragments jQuery.support.checkClone = fragment.cloneNode(true).cloneNode(true).lastChild.checked; // Figure out if the W3C box model works as expected // document.body must exist before we can do this jQuery(function() { var div = document.createElement("div"), body = document.getElementsByTagName("body")[0]; // Frameset documents with no body should not run this code if ( !body ) { return; } div.style.width = div.style.paddingLeft = "1px"; body.appendChild( div ); jQuery.boxModel = jQuery.support.boxModel = div.offsetWidth === 2; if ( "zoom" in div.style ) { // Check if natively block-level elements act like inline-block // elements when setting their display to ‘inline‘ and giving // them layout // (IE < 8 does this) div.style.display = "inline"; div.style.zoom = 1; jQuery.support.inlineBlockNeedsLayout = div.offsetWidth === 2; // Check if elements with layout shrink-wrap their children // (IE 6 does this) div.style.display = ""; div.innerHTML = "<div style=‘width:4px;‘></div>"; jQuery.support.shrinkWrapBlocks = div.offsetWidth !== 2; } div.innerHTML = "<table><tr><td style=‘padding:0;border:0;display:none‘></td><td>t</td></tr></table>"; var tds = div.getElementsByTagName("td"); // 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). // (only IE 8 fails this test) jQuery.support.reliableHiddenOffsets = tds[0].offsetHeight === 0; tds[0].style.display = ""; tds[1].style.display = "none"; // Check if empty table cells still have offsetWidth/Height // (IE < 8 fail this test) jQuery.support.reliableHiddenOffsets = jQuery.support.reliableHiddenOffsets && tds[0].offsetHeight === 0; div.innerHTML = ""; body.removeChild( div ).style.display = "none"; div = tds = null; }); // Technique from Juriy Zaytsev // http://thinkweb2.com/projects/prototype/detecting-event-support-without-browser-sniffing/ var eventSupported = function( eventName ) { var el = document.createElement("div"); eventName = "on" + eventName; // We only care about the case where non-standard event systems // are used, namely in IE. Short-circuiting here helps us to // avoid an eval call (in setAttribute) which can cause CSP // to go haywire. See: https://developer.mozilla.org/en/Security/CSP if ( !el.attachEvent ) { return true; } var isSupported = (eventName in el); if ( !isSupported ) { el.setAttribute(eventName, "return;"); isSupported = typeof el[eventName] === "function"; } el = null; return isSupported; }; jQuery.support.submitBubbles = eventSupported("submit"); jQuery.support.changeBubbles = eventSupported("change"); // release memory in IE div = all = a = null; })(); //这个是jQ实例会用到的工具方法，和jQ的实例的各种息息相关的; var rbrace = /^(?:\{.*\}|\[.*\])$/; jQuery.extend({ cache: {}, // Please use with caution uuid: 0, // Unique for each copy of jQuery on the page // Non-digits removed to match rinlinejQuery // 该版本的expando是使用jQuery加上版本加上随机的字符串,把非数字的拿掉; expando: "jQuery" + ( jQuery.fn.jquery + Math.random() ).replace( /\D/g, "" ), // The following elements throw uncatchable exceptions if you // attempt to add expando properties to them. noData: { "embed": true, // Ban all objects except for Flash (which handle expandos) "object": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000", "applet": true }, hasData: function( elem ) { //如果是类型属性就在缓存中查找对应的data， 否则象window这样的元素直接通过expando查找; elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ]; //直接返回 而且要非空; return !!elem && !jQuery.isEmptyObject(elem); }, data: function( elem, name, data, pvt /* Internal Use Only */ ) { //如果是embed ，applet ，object就直接退出去，不报错; if ( !jQuery.acceptData( elem ) ) { return; } var internalKey = jQuery.expando, getByName = typeof name === "string", thisCache, // ie67 不区分节点属性和 dom属性的, data必须统一绑定到dom属性上面 // We have to handle DOM nodes and JS objects differently because IE6-7 // can‘t GC object references properly across the DOM-JS boundary isNode = elem.nodeType, // Only DOM nodes need the global jQuery cache; JS object data is // attached directly to the object so GC can occur automatically // 如果是dom节点就通过jQuery的cache查找，剩下的比如window或者其他的对象 直接在自己身上找; cache = isNode ? jQuery.cache : elem, // Only defining an ID for JS objects if its cache already exists allows // the code to shortcut on the same path as a DOM node with no cache //获取唯一的id, 如果连id都没有那还玩个毛先求; id = isNode ? elem[ jQuery.expando ] : elem[ jQuery.expando ] && jQuery.expando; // Avoid doing any more work than we need to when trying to get data on an // object that has no data at all // 如果连传进来的data都没有， 而且没有唯一的id 就返回 。 // 有可能要是指的name是一个对象，所以也要排除name是对象， getByName确保了name是对象的话为假，就不会return了 if ( (!id || (pvt && id && !cache[ id ][ internalKey ])) && getByName && data === undefined ) { return; } //没有id就设置一个id， 当前是有保存的数据(data)的 if ( !id ) { // Only DOM nodes need a new unique ID for each element since their data // ends up in the global cache // 只有dom元素才有唯一的id;其余的就直接用expando作为id, 参数的情况多，处理也多; if ( isNode ) { elem[ jQuery.expando ] = id = ++jQuery.uuid; } else { id = jQuery.expando; } } //如果不存在的话， 设置id缓存的空对象 if ( !cache[ id ] ) { cache[ id ] = {}; } // An object can be passed to jQuery.data instead of a key/value pair; this gets // shallow copied over onto the existing cache if ( typeof name === "object" ) { // pvt是内部用的，是private的意思， 把当前的name直接继承到私有的缓存中; if ( pvt ) { cache[ id ][ internalKey ] = jQuery.extend(cache[ id ][ internalKey ], name); } else { //直接继承 cache[ id ] = jQuery.extend(cache[ id ], name); } } //公用的缓存 thisCache = cache[ id ]; // Internal jQuery data is stored in a separate object inside the object‘s data // cache in order to avoid key collisions between internal data and user-defined // data // 有必要开辟一个私人的缓冲区，; if ( pvt ) { if ( !thisCache[ internalKey ] ) { thisCache[ internalKey ] = {}; } thisCache = thisCache[ internalKey ]; } //data不是undefined说明 name一定是字符串了?, 好吧，说的通...也没人那么做; if ( data !== undefined ) { thisCache[ name ] = data; } // TODO: This is a hack for 1.5 ONLY. It will be removed in 1.6. Users should // not attempt to inspect the internal events object using jQuery.data, as this // internal data object is undocumented and subject to change. // 你可以传一个event， 就会获取到该元素绑定的所有事件; if ( name === "events" && !thisCache[name] ) { return thisCache[ internalKey ] && thisCache[ internalKey ].events; } //如果是name字符串 就返回这个值， 否则返回整个元素缓存; return getByName ? thisCache[ name ] : thisCache; }, //删除数据; removeData: function( elem, name, pvt /* Internal Use Only */ ) { if ( !jQuery.acceptData( elem ) ) { return; } var internalKey = jQuery.expando, isNode = elem.nodeType, // See jQuery.data for more information cache = isNode ? jQuery.cache : elem, // See jQuery.data for more information id = isNode ? elem[ jQuery.expando ] : jQuery.expando; // If there is already no cache entry for this object, there is no // purpose in continuing if ( !cache[ id ] ) { return; } if ( name ) { //分内部和非内部数据两种情况 var thisCache = pvt ? cache[ id ][ internalKey ] : cache[ id ]; //删删删删; if ( thisCache ) { delete thisCache[ name ]; // If there is no data left in the cache, we want to continue // and let the cache object itself get destroyed if ( !jQuery.isEmptyObject(thisCache) ) { //不给Object.delete; return; } } } // See jQuery.data for more information // 不管name是否有传，只要pvt是真 ， 就把所有私人缓存全删了， 好屌是不是, 谁这么干啊，卧槽; if ( pvt ) { delete cache[ id ][ internalKey ]; // Don‘t destroy the parent cache unless the internal data object // had been the only thing left in it if ( !jQuery.isEmptyObject(cache[ id ]) ) { return; }; }; //引用内部数据的地址; var internalCache = cache[ id ][ internalKey ]; // Browsers that fail expando deletion also refuse to delete expandos on // the window, but it will allow it on all other JS objects; other browsers // don‘t care // 兼容问题 if ( jQuery.support.deleteExpando || cache != window ) { delete cache[ id ]; } else { cache[ id ] = null; } // We destroyed the entire user cache at once because it‘s faster than // iterating through each key, but we need to continue to persist internal // data if it existed if ( internalCache ) { cache[ id ] = {}; cache[ id ][ internalKey ] = internalCache; // Otherwise, we need to eliminate the expando on the node to avoid // false lookups in the cache for entries that no longer exist } else if ( isNode ) { // IE67 中的元素节点是com组件 ，你删他东西要报错的 ，他会提示你：（对象不支持此操作）， 使用removeAttribute删除属性靠谱 // removeAttribute 就可以删除， 不会报错(因为IE67不区分dom属性和html属性); // 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 ( jQuery.support.deleteExpando ) { delete elem[ jQuery.expando ]; } else if ( elem.removeAttribute ) { elem.removeAttribute( jQuery.expando ); } else { elem[ jQuery.expando ] = null; } } }, // For internal use only. _data: function( elem, name, data ) { return jQuery.data( elem, name, data, true ); }, // A method for determining if a DOM node can handle the data expando //确认dom是否可以保存数据 acceptData: function( elem ) { if ( elem.nodeName ) { var match = jQuery.noData[ elem.nodeName.toLowerCase() ]; if ( match ) { //embed 和 applet是true, //apple 的组件 return !(match === true || elem.getAttribute("classid") !== match); /* 简写真是坑爹啊; if(match === true) { return false; }; if( elem.getAttribute("classid") !== match ) { return false; } */ } } return true; } }); //这个为实例原型继承了data; jQuery.fn.extend({ data: function( key, value ) { var data = null; //连key都不给， 就返回所有的数据呗; if ( typeof key === "undefined" ) { if ( this.length ) { //data为第一个 data = jQuery.data( this[0] ); if ( this[0].nodeType === 1 ) { var attr = this[0].attributes, name; for ( var i = 0, l = attr.length; i < l; i++ ) { name = attr[i].name; //把所有html5定义的datalist保存到缓存的列表; if ( name.indexOf( "data-" ) === 0 ) { name = name.substr( 5 ); dataAttr( this[0], name, data[ name ] ); } } } } return data; //这个相当于是设置了； } else if ( typeof key === "object" ) { return this.each(function() { jQuery.data( this, key ); }); }; //这个是key不是undefined; var parts = key.split("."); parts[1] = parts[1] ? "." + parts[1] : ""; //这个是获取值的情况; if ( value === undefined ) { //可以绑定元素的getData事件， 如果元素的属性发生改变，自动触发事件， 传进去的参数为改变的属性名; data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]); // Try to fetch any internally stored data first if ( data === undefined && this.length ) { //如果这个的值不在jQ的cache缓存里面; data = jQuery.data( this[0], key ); //从data-list里面查找; data = dataAttr( this[0], key, data ); } //parts[1]应该是命名空间, 为什么会重新迭代自己哇; return data === undefined && parts[1] ? this.data( parts[0] ) : data; } else { //这个是设置值 return this.each(function() { var $this = jQuery( this ), args = [ parts[0], value ]; //触发自定义的设置事件; //你通过这种方式绑定 : //$("body").bind("setData",function(){console.log(1)}); //$("body").data("xx",2) ==》》 就会在控制台打出 1; // ** 注意绑定的时候不要! 这个符号， 这个符号会被过滤掉; $this.triggerHandler( "setData" + parts[1] + "!", args ); jQuery.data( this, key, value ); //触发自定义的改变事件; $this.triggerHandler( "changeData" + parts[1] + "!", args ); }); } }, removeData: function( key ) { return this.each(function() { jQuery.removeData( this, key ); }); } }); //这个会把元素的datalist的值比如 data-xx="true" 更新到 $.cache.uniqueId里面去; 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 ) { data = elem.getAttribute( "data-" + key ); if ( typeof data === "string" ) { try { data = data === "true" ? true : data === "false" ? false : data === "null" ? null : !jQuery.isNaN( data ) ? parseFloat( 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; } //这个是工具方法，还是实例上面用的; jQuery.extend({ queue: function( elem, type, data ) { if ( !elem ) { return; } //用户可以使用自定义的队列type : 默认为 fxqueue; type = (type || "fx") + "queue"; //获取在缓存系统中的队列, 这个是公用的缓存; var q = jQuery._data( elem, type ); //如果没有data // Speed up dequeue by getting out quickly if this is just a lookup //这个是get; if ( !data ) { return q || []; } //调用工具方法_data保存队列; if ( !q || jQuery.isArray(data) ) { q = jQuery._data( elem, type, jQuery.makeArray(data) ); } else { //直接push就好了; q.push( data ); }; return q; }, /* $("body").queue(function(bar) { console.log(1),bar() }).queue(function(bar) { console.log(2),bar() }).queue(function(bar){ console.log(3),bar() }).queue(function(bar){ console.log(4) }); $("body").dequeue(); */ dequeue: function( elem, type ) { type = type || "fx"; //获取初始值; var queue = jQuery.queue( elem, type ), fn = queue.shift(); // // If the fx queue is dequeued, always remove the progress sentinel if ( fn === "inprogress" ) { fn = queue.shift(); } if ( fn ) { // Add a progress sentinel to prevent the fx queue from being // automatically dequeued if ( type === "fx" ) { //把进度进栈; queue.unshift("inprogress"); }; //用elem作为上下文 执行， 有一个回调时dequeue fn.call(elem, function() { jQuery.dequeue(elem, type); }); } if ( !queue.length ) { jQuery.removeData( elem, type + "queue", true ); } } }); /* $("body").queue(function(bar) { console.log(1),bar() }).queue(function(bar) { console.log(2),bar(); }).queue(function(bar){ console.log(3),bar() }).queue(function(bar){ console.log(4) }); //默认的fx会马上执行哦; //第二次执行的时候queue[0]是 inprogress,所以不会马上执行; $("body").queue(function(bar) { console.log(1),bar() }).queue(function(bar) { console.log(2),bar(); }).queue(function(bar){ console.log(3),bar() }).queue(function(bar){ console.log(4) }); //这样不会马上执行; $("body").queue(‘fx‘, "inprogress") .queue(function(bar) { console.log(1),bar() }).queue(function(bar) { console.log(2),bar(); }).queue(function(bar){ console.log(3),bar() }).queue(function(bar){ console.log(4) }); */ //添加方法到实例上面了 jQuery.fn.extend({ queue: function( type, data ) { if ( typeof type !== "string" ) { data = type; type = "fx"; } if ( data === undefined ) { return jQuery.queue( this[0], type ); } //进栈就马上执行哦; return this.each(function( i ) { //如果是默认的fx var queue = jQuery.queue( this, type, data ); //马上开始队列; if ( type === "fx" && queue[0] !== "inprogress" ) { jQuery.dequeue( this, type ); } }); }, dequeue: function( type ) { return this.each(function() { jQuery.dequeue( this, type ); }); }, //动画效果中有用到delay ， 会延迟执行; // Based off of the plugin by Clint Helfers, with permission. // http://blindsignals.com/index.php/2009/07/jquery-delay/ delay: function( time, type ) { time = jQuery.fx ? jQuery.fx.speeds[time] || time : time; type = type || "fx"; return this.queue( type, function() { var elem = this; setTimeout(function() { jQuery.dequeue( elem, type ); }, time ); }); }, clearQueue: function( type ) { return this.queue( type || "fx", [] ); } }); var rclass = /[\n\t\r]/g, rspaces = /\s+/, rreturn = /\r/g, rspecialurl = /^(?:href|src|style)$/, rtype = /^(?:button|input)$/i, rfocusable = /^(?:button|input|object|select|textarea)$/i, rclickable = /^a(?:rea)?$/i, rradiocheck = /^(?:radio|checkbox)$/i; jQuery.props = { "for": "htmlFor", "class": "className", readonly: "readOnly", maxlength: "maxLength", cellspacing: "cellSpacing", rowspan: "rowSpan", colspan: "colSpan", tabindex: "tabIndex", usemap: "useMap", frameborder: "frameBorder" }; jQuery.fn.extend({ attr: function( name, value ) { //通过access减少代码量， //判断了value可以是一个function的情况; return jQuery.access( this, name, value, true, jQuery.attr ); }, //也是调用attr这个方法的, fn拿来搞毛用; removeAttr: function( name, fn ) { return this.each(function(){ jQuery.attr( this, name, "" ); if ( this.nodeType === 1 ) { this.removeAttribute( name ); } }); }, addClass: function( value ) { if ( jQuery.isFunction(value) ) { return this.each(function(i) { var self = jQuery(this); //如果value是function 就给这个function传 这个元素的class; self.addClass( value.call(this, i, self.attr("class")) ); }); } if ( value && typeof value === "string" ) { var classNames = (value || "").split( rspaces ); //为什么不调用each呢，还要写循环啊; for ( var i = 0, l = this.length; i < l; i++ ) { var elem = this[i]; //是元素节点的话 if ( elem.nodeType === 1 ) { //优化设置 if ( !elem.className ) { elem.className = value; } else { //通过字符串的操作进行class操作; var className = " " + elem.className + " ", setClass = elem.className; for ( var c = 0, cl = classNames.length; c < cl; c++ ) { if ( className.indexOf( " " + classNames[c] + " " ) < 0 ) { setClass += " " + classNames[c]; } } elem.className = jQuery.trim( setClass ); } } } } return this; }, removeClass: function( value ) { //这个也可以通过access调用吗; if ( jQuery.isFunction(value) ) { return this.each(function(i) { var self = jQuery(this); self.removeClass( value.call(this, i, self.attr("class")) ); }); } //字符串连接; if ( (value && typeof value === "string") || value === undefined ) { var classNames = (value || "").split( rspaces ); for ( var i = 0, l = this.length; i < l; i++ ) { var elem = this[i]; if ( elem.nodeType === 1 && elem.className ) { if ( value ) { var className = (" " + elem.className + " ").replace(rclass, " "); for ( var c = 0, cl = classNames.length; c < cl; c++ ) { className = className.replace(" " + classNames[c] + " ", " "); } elem.className = jQuery.trim( className ); } else { elem.className = ""; } } } } return this; }, toggleClass: function( value, stateVal ) { var type = typeof value, isBool = typeof stateVal === "boolean"; // if function if ( jQuery.isFunction( value ) ) { return this.each(function(i) { var self = jQuery(this); self.toggleClass( value.call(this, i, self.attr("class"), stateVal), stateVal ); }); } return this.each(function() { if ( type === "string" ) { // toggle individual class names var className, i = 0, self = jQuery( this ), state = stateVal, classNames = value.split( rspaces ); //toggleClass 你可以传("xx aa bb cc");一接口多用， write less， do more; while ( (className = classNames[ i++ ]) ) { // check each className given, space seperated list state = isBool ? state : !self.hasClass( className ); self[ state ? "addClass" : "removeClass" ]( className ); } } else if ( type === "undefined" || type === "boolean" ) { //把当前的classname保存到私有的数据里面; if ( this.className ) { // store className if set jQuery._data( this, "__className__", this.className ); }; //简写是好，但是不觉得看着麻烦吗。 john reisg \*_*\ // toggle whole className this.className = this.className || value === false ? "" : jQuery._data( this, "__className__" ) || ""; } }); }, hasClass: function( selector ) { var className = " " + selector + " "; for ( var i = 0, l = this.length; i < l; i++ ) { //用indexOf if ( (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) > -1 ) { return true; } } return false; }, //val做的处理有点多哦; val: function( value ) { //获取的情况下; if ( !arguments.length ) { var elem = this[0]; if ( elem ) { if ( jQuery.nodeName( elem, "option" ) ) { // attributes.value is undefined in Blackberry 4.7 but // uses .value. See #6932 var val = elem.attributes.value; //specified 特性, 如果用户设定了值那么specified就是true; return !val || val.specified ? elem.value : elem.text; }; // 如果是select // We need to handle select boxes special if ( jQuery.nodeName( elem, "select" ) ) { var index = elem.selectedIndex, values = [], options = elem.options, one = elem.type === "select-one"; // // Nothing was selected if ( index < 0 ) { return null; } // 会返回多个值; // Loop through all the selected options for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) { var option = options[ i ]; // Don‘t return options that are disabled or in a disabled optgroup if ( option.selected && (jQuery.support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null) && (!option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" )) ) { // Get the specific value for the option value = jQuery(option).val(); // We don‘t need an array for one selects if ( one ) { return value; } // Multi-Selects return an array values.push( value ); } } return values; } //如果是单选radio标签; 统一返回on; // Handle the case where in Webkit "" is returned instead of "on" if a value isn‘t specified if ( rradiocheck.test( elem.type ) && !jQuery.support.checkOn ) { return elem.getAttribute("value") === null ? "on" : elem.value; } //最后弄这个， 如果是input的file文件类型 ，就会返回文件的全部路径; // Everything else, we just grab the value return (elem.value || "").replace(rreturn, ""); } return undefined; } //设置的情况下; var isFunction = jQuery.isFunction(value); return this.each(function(i) { var self = jQuery(this), val = value; //这个检测有必要吗.... if ( this.nodeType !== 1 ) { return; } //是function的话; if ( isFunction ) { val = value.call(this, i, self.val()); } // Treat null/undefined as ""; convert numbers to string if ( val == null ) { val = ""; } else if ( typeof val === "number" ) { val += ""; } else if ( jQuery.isArray(val) ) { //会有设置array的元素吗; val = jQuery.map(val, function (value) { return value == null ? "" : value + ""; }); } //兼容问题的处理; if ( jQuery.isArray(val) && rradiocheck.test( this.type ) ) { this.checked = jQuery.inArray( self.val(), val ) >= 0; } else if ( jQuery.nodeName( this, "select" ) ) { var values = jQuery.makeArray(val); jQuery( "option", this ).each(function() { this.selected = jQuery.inArray( jQuery(this).val(), values ) >= 0; }); if ( !values.length ) { this.selectedIndex = -1; } } else { this.value = val; } }); } }); jQuery.extend({ attrFn: { val: true, css: true, html: true, text: true, data: true, width: true, height: true, offset: true }, attr: function( elem, name, value, pass ) { // don‘t get/set attributes on text, comment and attribute nodes if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || elem.nodeType === 2 ) { return undefined; } if ( pass && name in jQuery.attrFn ) { return jQuery(elem)[name](value); } var notxml = elem.nodeType !== 1 || !jQuery.isXMLDoc( elem ), // Whether we are setting (or getting) set = value !== undefined; // Try to normalize/fix the name name = notxml && jQuery.props[ name ] || name; // Only do all the following if this is a node (faster for style) if ( elem.nodeType === 1 ) { // These attributes require special treatment var special = rspecialurl.test( name ); // Safari mis-reports the default selected property of an option // Accessing the parent‘s selectedIndex property fixes it if ( name === "selected" && !jQuery.support.optSelected ) { var parent = elem.parentNode; if ( parent ) { parent.selectedIndex; // Make sure that it also works with optgroups, see #5701 if ( parent.parentNode ) { parent.parentNode.selectedIndex; } } } // If applicable, access the attribute via the DOM 0 way // ‘in‘ checks fail in Blackberry 4.7 #6931 if ( (name in elem || elem[ name ] !== undefined) && notxml && !special ) { if ( set ) { // We can‘t allow the type property to be changed (since it causes problems in IE) if ( name === "type" && rtype.test( elem.nodeName ) && elem.parentNode ) { jQuery.error( "type property can‘t be changed" ); } if ( value === null ) { if ( elem.nodeType === 1 ) { elem.removeAttribute( name ); } } else { elem[ name ] = value; } } // browsers index elements by id/name on forms, give priority to attributes. if ( jQuery.nodeName( elem, "form" ) && elem.getAttributeNode(name) ) { return elem.getAttributeNode( name ).nodeValue; } // 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/ if ( name === "tabIndex" ) { var attributeNode = elem.getAttributeNode( "tabIndex" ); return attributeNode && attributeNode.specified ? attributeNode.value : rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ? 0 : undefined; } return elem[ name ]; } if ( !jQuery.support.style && notxml && name === "style" ) { if ( set ) { elem.style.cssText = "" + value; } return elem.style.cssText; } if ( set ) { // convert the value to a string (all browsers do this but IE) see #1070 elem.setAttribute( name, "" + value ); } // Ensure that missing attributes return undefined // Blackberry 4.7 returns "" from getAttribute #6938 if ( !elem.attributes[ name ] && (elem.hasAttribute && !elem.hasAttribute( name )) ) { return undefined; } var attr = !jQuery.support.hrefNormalized && notxml && special ? // Some attributes require a special call on IE elem.getAttribute( name, 2 ) : elem.getAttribute( name ); // Non-existent attributes return null, we normalize to undefined return attr === null ? undefined : attr; } // Handle everything which isn‘t a DOM element node if ( set ) { elem[ name ] = value; } return elem[ name ]; } }); var rnamespaces = /\.(.*)$/, rformElems = /^(?:textarea|input|select)$/i, rperiod = /\./g, rspace = / /g, rescape = /[^\w\s.|`]/g, fcleanup = function( nm ) { return nm.replace(rescape, "\\$&"); }, eventKey = "events"; /* * A number of helper functions used for managing events. * Many of the ideas behind this code originated from * Dean Edwards‘ addEvent library. */ jQuery.event = { // Bind an event to an element // Original by Dean Edwards add: function( elem, types, handler, data ) { if ( elem.nodeType === 3 || elem.nodeType === 8 ) { return; } // For whatever reason, IE has trouble passing the window object // around, causing it to be cloned in the process if ( jQuery.isWindow( elem ) && ( elem !== window && !elem.frameElement ) ) { elem = window; } if ( handler === false ) { handler = returnFalse; } else if ( !handler ) { // Fixes bug #7229. Fix recommended by jdalton return; } var handleObjIn, handleObj; if ( handler.handler ) { handleObjIn = handler; handler = handleObjIn.handler; } // Make sure that the function being executed has a unique ID if ( !handler.guid ) { handler.guid = jQuery.guid++; } // Init the element‘s event structure var elemData = jQuery._data( elem ); // If no elemData is found then we must be trying to bind to one of the // banned noData elements if ( !elemData ) { return; } var events = elemData[ eventKey ], eventHandle = elemData.handle; if ( typeof events === "function" ) { // On plain objects events is a fn that holds the the data // which prevents this data from being JSON serialized // the function does not need to be called, it just contains the data eventHandle = events.handle; events = events.events; } else if ( !events ) { if ( !elem.nodeType ) { // On plain objects, create a fn that acts as the holder // of the values to avoid JSON serialization of event data elemData[ eventKey ] = elemData = function(){}; } elemData.events = events = {}; } if ( !eventHandle ) { elemData.handle = eventHandle = function() { // Handle the second event of a trigger and when // an event is called after a page has unloaded return typeof jQuery !== "undefined" && !jQuery.event.triggered ? jQuery.event.handle.apply( eventHandle.elem, arguments ) : undefined; }; } // Add elem as a property of the handle function // This is to prevent a memory leak with non-native events in IE. eventHandle.elem = elem; // Handle multiple events separated by a space // jQuery(...).bind("mouseover mouseout", fn); types = types.split(" "); var type, i = 0, namespaces; while ( (type = types[ i++ ]) ) { handleObj = handleObjIn ? jQuery.extend({}, handleObjIn) : { handler: handler, data: data }; // Namespaced event handlers if ( type.indexOf(".") > -1 ) { namespaces = type.split("."); type = namespaces.shift(); handleObj.namespace = namespaces.slice(0).sort().join("."); } else { namespaces = []; handleObj.namespace = ""; } handleObj.type = type; if ( !handleObj.guid ) { handleObj.guid = handler.guid; } // Get the current list of functions bound to this event var handlers = events[ type ], special = jQuery.event.special[ type ] || {}; // Init the event handler queue if ( !handlers ) { handlers = events[ type ] = []; // Check for a special event handler // 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 ); } } } if ( special.add ) { special.add.call( elem, handleObj ); if ( !handleObj.handler.guid ) { handleObj.handler.guid = handler.guid; } } // Add the function to the element‘s handler list handlers.push( handleObj ); // Keep track of which events have been used, for global triggering jQuery.event.global[ type ] = true; } // Nullify elem to prevent memory leaks in IE elem = null; }, global: {}, // Detach an event or set of events from an element remove: function( elem, types, handler, pos ) { // don‘t do events on text and comment nodes if ( elem.nodeType === 3 || elem.nodeType === 8 ) { return; } if ( handler === false ) { handler = returnFalse; } var ret, type, fn, j, i = 0, all, namespaces, namespace, special, eventType, handleObj, origType, elemData = jQuery.hasData( elem ) && jQuery._data( elem ), events = elemData && elemData[ eventKey ]; if ( !elemData || !events ) { return; } if ( typeof events === "function" ) { elemData = events; events = events.events; } // types is actually an event object here if ( types && types.type ) { handler = types.handler; types = types.type; } // Unbind all events for the element if ( !types || typeof types === "string" && types.charAt(0) === "." ) { types = types || ""; for ( type in events ) { jQuery.event.remove( elem, type + types ); } return; } // Handle multiple events separated by a space // jQuery(...).unbind("mouseover mouseout", fn); types = types.split(" "); while ( (type = types[ i++ ]) ) { origType = type; handleObj = null; all = type.indexOf(".") < 0; namespaces = []; if ( !all ) { // Namespaced event handlers namespaces = type.split("."); type = namespaces.shift(); namespace = new RegExp("(^|\\.)" + jQuery.map( namespaces.slice(0).sort(), fcleanup ).join("\\.(?:.*\\.)?") + "(\\.|$)"); } eventType = events[ type ]; if ( !eventType ) { continue; } if ( !handler ) { for ( j = 0; j < eventType.length; j++ ) { handleObj = eventType[ j ]; if ( all || namespace.test( handleObj.namespace ) ) { jQuery.event.remove( elem, origType, handleObj.handler, j ); eventType.splice( j--, 1 ); } } continue; } special = jQuery.event.special[ type ] || {}; for ( j = pos || 0; j < eventType.length; j++ ) { handleObj = eventType[ j ]; if ( handler.guid === handleObj.guid ) { // remove the given handler for the given type if ( all || namespace.test( handleObj.namespace ) ) { if ( pos == null ) { eventType.splice( j--, 1 ); } if ( special.remove ) { special.remove.call( elem, handleObj ); } } if ( pos != null ) { break; } } } // remove generic event handler if no more handlers exist if ( eventType.length === 0 || pos != null && eventType.length === 1 ) { if ( !special.teardown || special.teardown.call( elem, namespaces ) === false ) { jQuery.removeEvent( elem, type, elemData.handle ); } ret = null; delete events[ type ]; } } // Remove the expando if it‘s no longer used if ( jQuery.isEmptyObject( events ) ) { var handle = elemData.handle; if ( handle ) { handle.elem = null; } delete elemData.events; delete elemData.handle; if ( typeof elemData === "function" ) { jQuery.removeData( elem, eventKey, true ); } else if ( jQuery.isEmptyObject( elemData ) ) { jQuery.removeData( elem, undefined, true ); } } }, // bubbling is internal trigger: function( event, data, elem /*, bubbling */ ) { // Event object or event type var type = event.type || event, bubbling = arguments[3]; if ( !bubbling ) { event = typeof event === "object" ? // jQuery.Event object event[ jQuery.expando ] ? event : // Object literal jQuery.extend( jQuery.Event(type), event ) : // Just the event type (string) jQuery.Event(type); if ( type.indexOf("!") >= 0 ) { event.type = type = type.slice(0, -1); event.exclusive = true; } // Handle a global trigger if ( !elem ) { // Don‘t bubble custom events when global (to avoid too much overhead) event.stopPropagation(); // Only trigger if we‘ve ever bound an event for it if ( jQuery.event.global[ type ] ) { // XXX This code smells terrible. event.js should not be directly // inspecting the data cache jQuery.each( jQuery.cache, function() { // internalKey variable is just used to make it easier to find // and potentially change this stuff later; currently it just // points to jQuery.expando var internalKey = jQuery.expando, internalCache = this[ internalKey ]; if ( internalCache && internalCache.events && internalCache.events[type] ) { jQuery.event.trigger( event, data, internalCache.handle.elem ); } }); } } // Handle triggering a single element // don‘t do events on text and comment nodes if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 ) { return undefined; } // Clean up in case it is reused event.result = undefined; event.target = elem; // Clone the incoming data, if any data = jQuery.makeArray( data ); data.unshift( event ); } event.currentTarget = elem; // Trigger the event, it is assumed that "handle" is a function var handle = elem.nodeType ? jQuery._data( elem, "handle" ) : (jQuery._data( elem, eventKey ) || {}).handle; if ( handle ) { handle.apply( elem, data ); } var parent = elem.parentNode || elem.ownerDocument; // Trigger an inline bound script try { if ( !(elem && elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()]) ) { if ( elem[ "on" + type ] && elem[ "on" + type ].apply( elem, data ) === false ) { event.result = false; event.preventDefault(); } } // prevent IE from throwing an error for some elements with some event types, see #3533 } catch (inlineError) {} if ( !event.isPropagationStopped() && parent ) { jQuery.event.trigger( event, data, parent, true ); } else if ( !event.isDefaultPrevented() ) { var old, target = event.target, targetType = type.replace( rnamespaces, "" ), isClick = jQuery.nodeName( target, "a" ) && targetType === "click", special = jQuery.event.special[ targetType ] || {}; if ( (!special._default || special._default.call( elem, event ) === false) && !isClick && !(target && target.nodeName && jQuery.noData[target.nodeName.toLowerCase()]) ) { try { if ( target[ targetType ] ) { // Make sure that we don‘t accidentally re-trigger the onFOO events old = target[ "on" + targetType ]; if ( old ) { target[ "on" + targetType ] = null; } jQuery.event.triggered = true; target[ targetType ](); } // prevent IE from throwing an error for some elements with some event types, see #3533 } catch (triggerError) {} if ( old ) { target[ "on" + targetType ] = old; } jQuery.event.triggered = false; } } }, handle: function( event ) { var all, handlers, namespaces, namespace_re, events, namespace_sort = [], args = jQuery.makeArray( arguments ); event = args[0] = jQuery.event.fix( event || window.event ); event.currentTarget = this; // Namespaced event handlers all = event.type.indexOf(".") < 0 && !event.exclusive; if ( !all ) { namespaces = event.type.split("."); event.type = namespaces.shift(); namespace_sort = namespaces.slice(0).sort(); namespace_re = new RegExp("(^|\\.)" + namespace_sort.join("\\.(?:.*\\.)?") + "(\\.|$)"); } event.namespace = event.namespace || namespace_sort.join("."); events = jQuery._data(this, eventKey); if ( typeof events === "function" ) { events = events.events; } handlers = (events || {})[ event.type ]; if ( events && handlers ) { // Clone the handlers to prevent manipulation handlers = handlers.slice(0); for ( var j = 0, l = handlers.length; j < l; j++ ) { var handleObj = handlers[ j ]; // Filter the functions by class if ( all || namespace_re.test( handleObj.namespace ) ) { // Pass in a reference to the handler function itself // So that we can later remove it event.handler = handleObj.handler; event.data = handleObj.data; event.handleObj = handleObj; var ret = handleObj.handler.apply( this, args ); if ( ret !== undefined ) { event.result = ret; if ( ret === false ) { event.preventDefault(); event.stopPropagation(); } } if ( event.isImmediatePropagationStopped() ) { break; } } } } return event.result; }, props: "altKey attrChange attrName bubbles button cancelable charCode clientX clientY ctrlKey currentTarget data detail eventPhase fromElement handler keyCode layerX layerY metaKey newValue offsetX offsetY pageX pageY prevValue relatedNode relatedTarget screenX screenY shiftKey srcElement target toElement view wheelDelta which".split(" "), fix: function( event ) { if ( event[ jQuery.expando ] ) { return event; } // store a copy of the original event object // and "clone" to set read-only properties var originalEvent = event; event = jQuery.Event( originalEvent ); for ( var i = this.props.length, prop; i; ) { prop = this.props[ --i ]; event[ prop ] = originalEvent[ prop ]; } // Fix target property, if necessary if ( !event.target ) { // Fixes #1925 where srcElement might not be defined either event.target = event.srcElement || document; } // check if target is a textnode (safari) if ( event.target.nodeType === 3 ) { event.target = event.target.parentNode; } // Add relatedTarget, if necessary if ( !event.relatedTarget && event.fromElement ) { event.relatedTarget = event.fromElement === event.target ? event.toElement : event.fromElement; } // Calculate pageX/Y if missing and clientX/Y available if ( event.pageX == null && event.clientX != null ) { var doc = document.documentElement, body = document.body; event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0); event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0); } // Add which for key events if ( event.which == null && (event.charCode != null || event.keyCode != null) ) { event.which = event.charCode != null ? event.charCode : event.keyCode; } // Add metaKey to non-Mac browsers (use ctrl for PC‘s and Meta for Macs) if ( !event.metaKey && event.ctrlKey ) { event.metaKey = event.ctrlKey; } // Add which for click: 1 === left; 2 === middle; 3 === right // Note: button is not normalized, so don‘t use it if ( !event.which && event.button !== undefined ) { event.which = (event.button & 1 ? 1 : ( event.button & 2 ? 3 : ( event.button & 4 ? 2 : 0 ) )); } return event; }, // Deprecated, use jQuery.guid instead guid: 1E8, // Deprecated, use jQuery.proxy instead proxy: jQuery.proxy, special: { ready: { // Make sure the ready event is setup setup: jQuery.bindReady, teardown: jQuery.noop }, live: { add: function( handleObj ) { jQuery.event.add( this, liveConvert( handleObj.origType, handleObj.selector ), jQuery.extend({}, handleObj, {handler: liveHandler, guid: handleObj.handler.guid}) ); }, remove: function( handleObj ) { jQuery.event.remove( this, liveConvert( handleObj.origType, handleObj.selector ), handleObj ); } }, beforeunload: { setup: function( data, namespaces, eventHandle ) { // We only want to do this special case on windows if ( jQuery.isWindow( this ) ) { this.onbeforeunload = eventHandle; } }, teardown: function( namespaces, eventHandle ) { if ( this.onbeforeunload === eventHandle ) { this.onbeforeunload = null; } } } } }; jQuery.removeEvent = document.removeEventListener ? function( elem, type, handle ) { if ( elem.removeEventListener ) { elem.removeEventListener( type, handle, false ); } } : function( elem, type, handle ) { if ( elem.detachEvent ) { elem.detachEvent( "on" + type, handle ); } }; jQuery.Event = function( src ) { // Allow instantiation without the ‘new‘ keyword if ( !this.preventDefault ) { return new jQuery.Event( src ); } // Event object if ( src && src.type ) { this.originalEvent = src; this.type = src.type; // 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; // Event type } else { this.type = src; } // timeStamp is buggy for some events on Firefox(#3843) // So we won‘t rely on the native value this.timeStamp = jQuery.now(); // Mark it as fixed this[ jQuery.expando ] = true; }; function returnFalse() { return false; } function returnTrue() { return 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 = { preventDefault: function() { this.isDefaultPrevented = returnTrue; var e = this.originalEvent; if ( !e ) { return; } // if preventDefault exists run it on the original event if ( e.preventDefault ) { e.preventDefault(); // otherwise set the returnValue property of the original event to false (IE) } else { e.returnValue = false; } }, stopPropagation: function() { this.isPropagationStopped = returnTrue; var e = this.originalEvent; if ( !e ) { return; } // if stopPropagation exists run it on the original event if ( e.stopPropagation ) { e.stopPropagation(); } // otherwise set the cancelBubble property of the original event to true (IE) e.cancelBubble = true; }, stopImmediatePropagation: function() { this.isImmediatePropagationStopped = returnTrue; this.stopPropagation(); }, isDefaultPrevented: returnFalse, isPropagationStopped: returnFalse, isImmediatePropagationStopped: returnFalse }; // Checks if an event happened on an element within another element // Used in jQuery.event.special.mouseenter and mouseleave handlers var withinElement = function( event ) { // Check if mouse(over|out) are still within the same parent element var parent = event.relatedTarget; // Firefox sometimes assigns relatedTarget a XUL element // which we cannot access the parentNode property of try { // Traverse up the tree while ( parent && parent !== this ) { parent = parent.parentNode; } if ( parent !== this ) { // set the correct event type event.type = event.data; // handle event if we actually just moused on to a non sub-element jQuery.event.handle.apply( this, arguments ); } // assuming we‘ve left the element since we most likely mousedover a xul element } catch(e) { } }, // In case of event delegation, we only need to rename the event.type, // liveHandler will take care of the rest. delegate = function( event ) { event.type = event.data; jQuery.event.handle.apply( this, arguments ); }; // Create mouseenter and mouseleave events jQuery.each({ mouseenter: "mouseover", mouseleave: "mouseout" }, function( orig, fix ) { jQuery.event.special[ orig ] = { setup: function( data ) { jQuery.event.add( this, fix, data && data.selector ? delegate : withinElement, orig ); }, teardown: function( data ) { jQuery.event.remove( this, fix, data && data.selector ? delegate : withinElement ); } }; }); // submit delegation if ( !jQuery.support.submitBubbles ) { jQuery.event.special.submit = { setup: function( data, namespaces ) { if ( this.nodeName && this.nodeName.toLowerCase() !== "form" ) { jQuery.event.add(this, "click.specialSubmit", function( e ) { var elem = e.target, type = elem.type; if ( (type === "submit" || type === "image") && jQuery( elem ).closest("form").length ) { e.liveFired = undefined; return trigger( "submit", this, arguments ); } }); jQuery.event.add(this, "keypress.specialSubmit", function( e ) { var elem = e.target, type = elem.type; if ( (type === "text" || type === "password") && jQuery( elem ).closest("form").length && e.keyCode === 13 ) { e.liveFired = undefined; return trigger( "submit", this, arguments ); } }); } else { return false; } }, teardown: function( namespaces ) { jQuery.event.remove( this, ".specialSubmit" ); } }; } // change delegation, happens here so we have bind. if ( !jQuery.support.changeBubbles ) { var changeFilters, getVal = function( elem ) { var type = elem.type, val = elem.value; if ( type === "radio" || type === "checkbox" ) { val = elem.checked; } else if ( type === "select-multiple" ) { val = elem.selectedIndex > -1 ? jQuery.map( elem.options, function( elem ) { return elem.selected; }).join("-") : ""; } else if ( elem.nodeName.toLowerCase() === "select" ) { val = elem.selectedIndex; } return val; }, testChange = function testChange( e ) { var elem = e.target, data, val; if ( !rformElems.test( elem.nodeName ) || elem.readOnly ) { return; } data = jQuery._data( elem, "_change_data" ); val = getVal(elem); // the current data will be also retrieved by beforeactivate if ( e.type !== "focusout" || elem.type !== "radio" ) { jQuery._data( elem, "_change_data", val ); } if ( data === undefined || val === data ) { return; } if ( data != null || val ) { e.type = "change"; e.liveFired = undefined; return jQuery.event.trigger( e, arguments[1], elem ); } }; jQuery.event.special.change = { filters: { focusout: testChange, beforedeactivate: testChange, click: function( e ) { var elem = e.target, type = elem.type; if ( type === "radio" || type === "checkbox" || elem.nodeName.toLowerCase() === "select" ) { return testChange.call( this, e ); } }, // Change has to be called before submit // Keydown will be called before keypress, which is used in submit-event delegation keydown: function( e ) { var elem = e.target, type = elem.type; if ( (e.keyCode === 13 && elem.nodeName.toLowerCase() !== "textarea") || (e.keyCode === 32 && (type === "checkbox" || type === "radio")) || type === "select-multiple" ) { return testChange.call( this, e ); } }, // Beforeactivate happens also before the previous element is blurred // with this event you can‘t trigger a change event, but you can store // information beforeactivate: function( e ) { var elem = e.target; jQuery._data( elem, "_change_data", getVal(elem) ); } }, setup: function( data, namespaces ) { if ( this.type === "file" ) { return false; } for ( var type in changeFilters ) { jQuery.event.add( this, type + ".specialChange", changeFilters[type] ); } return rformElems.test( this.nodeName ); }, teardown: function( namespaces ) { jQuery.event.remove( this, ".specialChange" ); return rformElems.test( this.nodeName ); } }; changeFilters = jQuery.event.special.change.filters; // Handle when the input is .focus()‘d changeFilters.focus = changeFilters.beforeactivate; } function trigger( type, elem, args ) { args[0].type = type; return jQuery.event.handle.apply( elem, args ); } // Create "bubbling" focus and blur events if ( document.addEventListener ) { jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) { jQuery.event.special[ fix ] = { setup: function() { this.addEventListener( orig, handler, true ); }, teardown: function() { this.removeEventListener( orig, handler, true ); } }; function handler( e ) { e = jQuery.event.fix( e ); e.type = fix; return jQuery.event.handle.call( this, e ); } }); } jQuery.each(["bind", "one"], function( i, name ) { jQuery.fn[ name ] = function( type, data, fn ) { // Handle object literals if ( typeof type === "object" ) { for ( var key in type ) { this[ name ](key, data, type[key], fn); } return this; } if ( jQuery.isFunction( data ) || data === false ) { fn = data; data = undefined; } var handler = name === "one" ? jQuery.proxy( fn, function( event ) { jQuery( this ).unbind( event, handler ); return fn.apply( this, arguments ); }) : fn; if ( type === "unload" && name !== "one" ) { this.one( type, data, fn ); } else { for ( var i = 0, l = this.length; i < l; i++ ) { jQuery.event.add( this[i], type, handler, data ); } } return this; }; }); jQuery.fn.extend({ unbind: function( type, fn ) { // Handle object literals if ( typeof type === "object" && !type.preventDefault ) { for ( var key in type ) { this.unbind(key, type[key]); } } else { for ( var i = 0, l = this.length; i < l; i++ ) { jQuery.event.remove( this[i], type, fn ); } } return this; }, delegate: function( selector, types, data, fn ) { return this.live( types, data, fn, selector ); }, undelegate: function( selector, types, fn ) { if ( arguments.length === 0 ) { return this.unbind( "live" ); } else { return this.die( types, null, fn, selector ); } }, trigger: function( type, data ) { return this.each(function() { jQuery.event.trigger( type, data, this ); }); }, triggerHandler: function( type, data ) { if ( this[0] ) { var event = jQuery.Event( type ); event.preventDefault(); event.stopPropagation(); jQuery.event.trigger( event, data, this[0] ); return event.result; } }, toggle: function( fn ) { // Save reference to arguments for access in closure var args = arguments, i = 1; // link all the functions, so any of them can unbind this click handler while ( i < args.length ) { jQuery.proxy( fn, args[ i++ ] ); } return this.click( jQuery.proxy( fn, function( event ) { // Figure out which function to execute var lastToggle = ( jQuery._data( this, "lastToggle" + fn.guid ) || 0 ) % i; jQuery._data( this, "lastToggle" + fn.guid, lastToggle + 1 ); // Make sure that clicks stop event.preventDefault(); // and execute the function return args[ lastToggle ].apply( this, arguments ) || false; })); }, hover: function( fnOver, fnOut ) { return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver ); } }); var liveMap = { focus: "focusin", blur: "focusout", mouseenter: "mouseover", mouseleave: "mouseout" }; jQuery.each(["live", "die"], function( i, name ) { jQuery.fn[ name ] = function( types, data, fn, origSelector /* Internal Use Only */ ) { var type, i = 0, match, namespaces, preType, selector = origSelector || this.selector, context = origSelector ? this : jQuery( this.context ); if ( typeof types === "object" && !types.preventDefault ) { for ( var key in types ) { context[ name ]( key, data, types[key], selector ); } return this; } if ( jQuery.isFunction( data ) ) { fn = data; data = undefined; } types = (types || "").split(" "); while ( (type = types[ i++ ]) != null ) { match = rnamespaces.exec( type ); namespaces = ""; if ( match ) { namespaces = match[0]; type = type.replace( rnamespaces, "" ); } if ( type === "hover" ) { types.push( "mouseenter" + namespaces, "mouseleave" + namespaces ); continue; } preType = type; if ( type === "focus" || type === "blur" ) { types.push( liveMap[ type ] + namespaces ); type = type + namespaces; } else { type = (liveMap[ type ] || type) + namespaces; } if ( name === "live" ) { // bind live handler for ( var j = 0, l = context.length; j < l; j++ ) { jQuery.event.add( context[j], "live." + liveConvert( type, selector ), { data: data, selector: selector, handler: fn, origType: type, origHandler: fn, preType: preType } ); } } else { // unbind live handler context.unbind( "live." + liveConvert( type, selector ), fn ); } } return this; }; }); function liveHandler( event ) { var stop, maxLevel, related, match, handleObj, elem, j, i, l, data, close, namespace, ret, elems = [], selectors = [], events = jQuery._data( this, eventKey ); if ( typeof events === "function" ) { events = events.events; } // Make sure we avoid non-left-click bubbling in Firefox (#3861) and disabled elements in IE (#6911) if ( event.liveFired === this || !events || !events.live || event.target.disabled || event.button && event.type === "click" ) { return; } if ( event.namespace ) { namespace = new RegExp("(^|\\.)" + event.namespace.split(".").join("\\.(?:.*\\.)?") + "(\\.|$)"); } event.liveFired = this; var live = events.live.slice(0); for ( j = 0; j < live.length; j++ ) { handleObj = live[j]; if ( handleObj.origType.replace( rnamespaces, "" ) === event.type ) { selectors.push( handleObj.selector ); } else { live.splice( j--, 1 ); } } match = jQuery( event.target ).closest( selectors, event.currentTarget ); for ( i = 0, l = match.length; i < l; i++ ) { close = match[i]; for ( j = 0; j < live.length; j++ ) { handleObj = live[j]; if ( close.selector === handleObj.selector && (!namespace || namespace.test( handleObj.namespace )) ) { elem = close.elem; related = null; // Those two events require additional checking if ( handleObj.preType === "mouseenter" || handleObj.preType === "mouseleave" ) { event.type = handleObj.preType; related = jQuery( event.relatedTarget ).closest( handleObj.selector )[0]; } if ( !related || related !== elem ) { elems.push({ elem: elem, handleObj: handleObj, level: close.level }); } } } } for ( i = 0, l = elems.length; i < l; i++ ) { match = elems[i]; if ( maxLevel && match.level > maxLevel ) { break; } event.currentTarget = match.elem; event.data = match.handleObj.data; event.handleObj = match.handleObj; ret = match.handleObj.origHandler.apply( match.elem, arguments ); if ( ret === false || event.isPropagationStopped() ) { maxLevel = match.level; if ( ret === false ) { stop = false; } if ( event.isImmediatePropagationStopped() ) { break; } } } return stop; } function liveConvert( type, selector ) { return (type && type !== "*" ? type + "." : "") + selector.replace(rperiod, "`").replace(rspace, "&"); } jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " + "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " + "change select submit keydown keypress keyup error").split(" "), function( i, name ) { // Handle event binding jQuery.fn[ name ] = function( data, fn ) { if ( fn == null ) { fn = data; data = null; } return arguments.length > 0 ? this.bind( name, data, fn ) : this.trigger( name ); }; if ( jQuery.attrFn ) { jQuery.attrFn[ name ] = true; } }); /*! * Sizzle CSS Selector Engine * Copyright 2011, The Dojo Foundation * Released under the MIT, BSD, and GPL Licenses. * More information: http://sizzlejs.com/ */ (function(){ var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^\[\]]*\]|[‘"][^‘"]*[‘"]|[^\[\]‘"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g, done = 0, toString = Object.prototype.toString, hasDuplicate = false, baseHasDuplicate = true; // Here we check if the JavaScript engine is using some sort of // optimization where it does not always call our comparision // function. If that is the case, discard the hasDuplicate value. // Thus far that includes Google Chrome. [0, 0].sort(function() { baseHasDuplicate = false; return 0; }); var Sizzle = function( selector, context, results, seed ) { results = results || []; context = context || document; var origContext = context; if ( context.nodeType !== 1 && context.nodeType !== 9 ) { return []; } if ( !selector || typeof selector !== "string" ) { return results; } var m, set, checkSet, extra, ret, cur, pop, i, prune = true, contextXML = Sizzle.isXML( context ), parts = [], soFar = selector; // Reset the position of the chunker regexp (start from head) do { chunker.exec( "" ); m = chunker.exec( soFar ); if ( m ) { soFar = m[3]; parts.push( m[1] ); if ( m[2] ) { extra = m[3]; break; } } } while ( m ); if ( parts.length > 1 && origPOS.exec( selector ) ) { if ( parts.length === 2 && Expr.relative[ parts[0] ] ) { set = posProcess( parts[0] + parts[1], context ); } else { set = Expr.relative[ parts[0] ] ? [ context ] : Sizzle( parts.shift(), context ); while ( parts.length ) { selector = parts.shift(); if ( Expr.relative[ selector ] ) { selector += parts.shift(); } set = posProcess( selector, set ); } } } else { // Take a shortcut and set the context if the root selector is an ID // (but not if it‘ll be faster if the inner selector is an ID) if ( !seed && parts.length > 1 && context.nodeType === 9 && !contextXML && Expr.match.ID.test(parts[0]) && !Expr.match.ID.test(parts[parts.length - 1]) ) { ret = Sizzle.find( parts.shift(), context, contextXML ); context = ret.expr ? Sizzle.filter( ret.expr, ret.set )[0] : ret.set[0]; } if ( context ) { ret = seed ? { expr: parts.pop(), set: makeArray(seed) } : Sizzle.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context, contextXML ); set = ret.expr ? Sizzle.filter( ret.expr, ret.set ) : ret.set; if ( parts.length > 0 ) { checkSet = makeArray( set ); } else { prune = false; } while ( parts.length ) { cur = parts.pop(); pop = cur; if ( !Expr.relative[ cur ] ) { cur = ""; } else { pop = parts.pop(); } if ( pop == null ) { pop = context; } Expr.relative[ cur ]( checkSet, pop, contextXML ); } } else { checkSet = parts = []; } } if ( !checkSet ) { checkSet = set; } if ( !checkSet ) { Sizzle.error( cur || selector ); } if ( toString.call(checkSet) === "[object Array]" ) { if ( !prune ) { results.push.apply( results, checkSet ); } else if ( context && context.nodeType === 1 ) { for ( i = 0; checkSet[i] != null; i++ ) { if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && Sizzle.contains(context, checkSet[i])) ) { results.push( set[i] ); } } } else { for ( i = 0; checkSet[i] != null; i++ ) { if ( checkSet[i] && checkSet[i].nodeType === 1 ) { results.push( set[i] ); } } } } else { makeArray( checkSet, results ); } if ( extra ) { Sizzle( extra, origContext, results, seed ); Sizzle.uniqueSort( results ); } return results; }; Sizzle.uniqueSort = function( results ) { if ( sortOrder ) { hasDuplicate = baseHasDuplicate; results.sort( sortOrder ); if ( hasDuplicate ) { for ( var i = 1; i < results.length; i++ ) { if ( results[i] === results[ i - 1 ] ) { results.splice( i--, 1 ); } } } } return results; }; Sizzle.matches = function( expr, set ) { return Sizzle( expr, null, null, set ); }; Sizzle.matchesSelector = function( node, expr ) { return Sizzle( expr, null, null, [node] ).length > 0; }; Sizzle.find = function( expr, context, isXML ) { var set; if ( !expr ) { return []; } for ( var i = 0, l = Expr.order.length; i < l; i++ ) { var match, type = Expr.order[i]; if ( (match = Expr.leftMatch[ type ].exec( expr )) ) { var left = match[1]; match.splice( 1, 1 ); if ( left.substr( left.length - 1 ) !== "\\" ) { match[1] = (match[1] || "").replace(/\\/g, ""); set = Expr.find[ type ]( match, context, isXML ); if ( set != null ) { expr = expr.replace( Expr.match[ type ], "" ); break; } } } } if ( !set ) { set = typeof context.getElementsByTagName !== "undefined" ? context.getElementsByTagName( "*" ) : []; } return { set: set, expr: expr }; }; Sizzle.filter = function( expr, set, inplace, not ) { var match, anyFound, old = expr, result = [], curLoop = set, isXMLFilter = set && set[0] && Sizzle.isXML( set[0] ); while ( expr && set.length ) { for ( var type in Expr.filter ) { if ( (match = Expr.leftMatch[ type ].exec( expr )) != null && match[2] ) { var found, item, filter = Expr.filter[ type ], left = match[1]; anyFound = false; match.splice(1,1); if ( left.substr( left.length - 1 ) === "\\" ) { continue; } if ( curLoop === result ) { result = []; } if ( Expr.preFilter[ type ] ) { match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter ); if ( !match ) { anyFound = found = true; } else if ( match === true ) { continue; } } if ( match ) { for ( var i = 0; (item = curLoop[i]) != null; i++ ) { if ( item ) { found = filter( item, match, i, curLoop ); var pass = not ^ !!found; if ( inplace && found != null ) { if ( pass ) { anyFound = true; } else { curLoop[i] = false; } } else if ( pass ) { result.push( item ); anyFound = true; } } } } if ( found !== undefined ) { if ( !inplace ) { curLoop = result; } expr = expr.replace( Expr.match[ type ], "" ); if ( !anyFound ) { return []; } break; } } } // Improper expression if ( expr === old ) { if ( anyFound == null ) { Sizzle.error( expr ); } else { break; } } old = expr; } return curLoop; }; Sizzle.error = function( msg ) { throw "Syntax error, unrecognized expression: " + msg; }; var Expr = Sizzle.selectors = { order: [ "ID", "NAME", "TAG" ], match: { ID: /#((?:[\w\u00c0-\uFFFF\-]|\\.)+)/, CLASS: /\.((?:[\w\u00c0-\uFFFF\-]|\\.)+)/, NAME: /\[name=[‘"]*((?:[\w\u00c0-\uFFFF\-]|\\.)+)[‘"]*\]/, ATTR: /\[\s*((?:[\w\u00c0-\uFFFF\-]|\\.)+)\s*(?:(\S?=)\s*(?:([‘"])(.*?)\3|(#?(?:[\w\u00c0-\uFFFF\-]|\\.)*)|)|)\s*\]/, TAG: /^((?:[\w\u00c0-\uFFFF\*\-]|\\.)+)/, CHILD: /:(only|nth|last|first)-child(?:\(\s*(even|odd|(?:[+\-]?\d+|(?:[+\-]?\d*)?n\s*(?:[+\-]\s*\d+)?))\s*\))?/, POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^\-]|$)/, PSEUDO: /:((?:[\w\u00c0-\uFFFF\-]|\\.)+)(?:\(([‘"]?)((?:\([^\)]+\)|[^\(\)]*)+)\2\))?/ }, leftMatch: {}, attrMap: { "class": "className", "for": "htmlFor" }, attrHandle: { href: function( elem ) { return elem.getAttribute( "href" ); } }, relative: { "+": function(checkSet, part){ var isPartStr = typeof part === "string", isTag = isPartStr && !/\W/.test( part ), isPartStrNotTag = isPartStr && !isTag; if ( isTag ) { part = part.toLowerCase(); } for ( var i = 0, l = checkSet.length, elem; i < l; i++ ) { if ( (elem = checkSet[i]) ) { while ( (elem = elem.previousSibling) && elem.nodeType !== 1 ) {} checkSet[i] = isPartStrNotTag || elem && elem.nodeName.toLowerCase() === part ? elem || false : elem === part; } } if ( isPartStrNotTag ) { Sizzle.filter( part, checkSet, true ); } }, ">": function( checkSet, part ) { var elem, isPartStr = typeof part === "string", i = 0, l = checkSet.length; if ( isPartStr && !/\W/.test( part ) ) { part = part.toLowerCase(); for ( ; i < l; i++ ) { elem = checkSet[i]; if ( elem ) { var parent = elem.parentNode; checkSet[i] = parent.nodeName.toLowerCase() === part ? parent : false; } } } else { for ( ; i < l; i++ ) { elem = checkSet[i]; if ( elem ) { checkSet[i] = isPartStr ? elem.parentNode : elem.parentNode === part; } } if ( isPartStr ) { Sizzle.filter( part, checkSet, true ); } } }, "": function(checkSet, part, isXML){ var nodeCheck, doneName = done++, checkFn = dirCheck; if ( typeof part === "string" && !/\W/.test(part) ) { part = part.toLowerCase(); nodeCheck = part; checkFn = dirNodeCheck; } checkFn( "parentNode", part, doneName, checkSet, nodeCheck, isXML ); }, "~": function( checkSet, part, isXML ) { var nodeCheck, doneName = done++, checkFn = dirCheck; if ( typeof part === "string" && !/\W/.test( part ) ) { part = part.toLowerCase(); nodeCheck = part; checkFn = dirNodeCheck; } checkFn( "previousSibling", part, doneName, checkSet, nodeCheck, isXML ); } }, find: { ID: function( match, context, isXML ) { if ( typeof context.getElementById !== "undefined" && !isXML ) { var m = context.getElementById(match[1]); // Check parentNode to catch when Blackberry 4.6 returns // nodes that are no longer in the document #6963 return m && m.parentNode ? [m] : []; } }, NAME: function( match, context ) { if ( typeof context.getElementsByName !== "undefined" ) { var ret = [], results = context.getElementsByName( match[1] ); for ( var i = 0, l = results.length; i < l; i++ ) { if ( results[i].getAttribute("name") === match[1] ) { ret.push( results[i] ); } } return ret.length === 0 ? null : ret; } }, TAG: function( match, context ) { if ( typeof context.getElementsByTagName !== "undefined" ) { return context.getElementsByTagName( match[1] ); } } }, preFilter: { CLASS: function( match, curLoop, inplace, result, not, isXML ) { match = " " + match[1].replace(/\\/g, "") + " "; if ( isXML ) { return match; } for ( var i = 0, elem; (elem = curLoop[i]) != null; i++ ) { if ( elem ) { if ( not ^ (elem.className && (" " + elem.className + " ").replace(/[\t\n\r]/g, " ").indexOf(match) >= 0) ) { if ( !inplace ) { result.push( elem ); } } else if ( inplace ) { curLoop[i] = false; } } } return false; }, ID: function( match ) { return match[1].replace(/\\/g, ""); }, TAG: function( match, curLoop ) { return match[1].toLowerCase(); }, CHILD: function( match ) { if ( match[1] === "nth" ) { if ( !match[2] ) { Sizzle.error( match[0] ); } match[2] = match[2].replace(/^\+|\s*/g, ‘‘); // parse equations like ‘even‘, ‘odd‘, ‘5‘, ‘2n‘, ‘3n+2‘, ‘4n-1‘, ‘-n+6‘ var test = /(-?)(\d*)(?:n([+\-]?\d*))?/.exec( match[2] === "even" && "2n" || match[2] === "odd" && "2n+1" || !/\D/.test( match[2] ) && "0n+" + match[2] || match[2]); // calculate the numbers (first)n+(last) including if they are negative match[2] = (test[1] + (test[2] || 1)) - 0; match[3] = test[3] - 0; } else if ( match[2] ) { Sizzle.error( match[0] ); } // TODO: Move to normal caching system match[0] = done++; return match; }, ATTR: function( match, curLoop, inplace, result, not, isXML ) { var name = match[1] = match[1].replace(/\\/g, ""); if ( !isXML && Expr.attrMap[name] ) { match[1] = Expr.attrMap[name]; } // Handle if an un-quoted value was used match[4] = ( match[4] || match[5] || "" ).replace(/\\/g, ""); if ( match[2] === "~=" ) { match[4] = " " + match[4] + " "; } return match; }, PSEUDO: function( match, curLoop, inplace, result, not ) { if ( match[1] === "not" ) { // If we‘re dealing with a complex expression, or a simple one if ( ( chunker.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) { match[3] = Sizzle(match[3], null, null, curLoop); } else { var ret = Sizzle.filter(match[3], curLoop, inplace, true ^ not); if ( !inplace ) { result.push.apply( result, ret ); } return false; } } else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) { return true; } return match; }, POS: function( match ) { match.unshift( true ); return match; } }, filters: { enabled: function( elem ) { return elem.disabled === false && elem.type !== "hidden"; }, disabled: function( elem ) { return elem.disabled === true; }, checked: function( elem ) { return elem.checked === true; }, selected: function( elem ) { // Accessing this property makes selected-by-default // options in Safari work properly elem.parentNode.selectedIndex; return elem.selected === true; }, parent: function( elem ) { return !!elem.firstChild; }, empty: function( elem ) { return !elem.firstChild; }, has: function( elem, i, match ) { return !!Sizzle( match[3], elem ).length; }, header: function( elem ) { return (/h\d/i).test( elem.nodeName ); }, text: function( elem ) { return "text" === elem.type; }, radio: function( elem ) { return "radio" === elem.type; }, checkbox: function( elem ) { return "checkbox" === elem.type; }, file: function( elem ) { return "file" === elem.type; }, password: function( elem ) { return "password" === elem.type; }, submit: function( elem ) { return "submit" === elem.type; }, image: function( elem ) { return "image" === elem.type; }, reset: function( elem ) { return "reset" === elem.type; }, button: function( elem ) { return "button" === elem.type || elem.nodeName.toLowerCase() === "button"; }, input: function( elem ) { return (/input|select|textarea|button/i).test( elem.nodeName ); } }, setFilters: { first: function( elem, i ) { return i === 0; }, last: function( elem, i, match, array ) { return i === array.length - 1; }, even: function( elem, i ) { return i % 2 === 0; }, odd: function( elem, i ) { return i % 2 === 1; }, lt: function( elem, i, match ) { return i < match[3] - 0; }, gt: function( elem, i, match ) { return i > match[3] - 0; }, nth: function( elem, i, match ) { return match[3] - 0 === i; }, eq: function( elem, i, match ) { return match[3] - 0 === i; } }, filter: { PSEUDO: function( elem, match, i, array ) { var name = match[1], filter = Expr.filters[ name ]; if ( filter ) { return filter( elem, i, match, array ); } else if ( name === "contains" ) { return (elem.textContent || elem.innerText || Sizzle.getText([ elem ]) || "").indexOf(match[3]) >= 0; } else if ( name === "not" ) { var not = match[3]; for ( var j = 0, l = not.length; j < l; j++ ) { if ( not[j] === elem ) { return false; } } return true; } else { Sizzle.error( name ); } }, CHILD: function( elem, match ) { var type = match[1], node = elem; switch ( type ) { case "only": case "first": while ( (node = node.previousSibling) ) { if ( node.nodeType === 1 ) { return false; } } if ( type === "first" ) { return true; } node = elem; case "last": while ( (node = node.nextSibling) ) { if ( node.nodeType === 1 ) { return false; } } return true; case "nth": var first = match[2], last = match[3]; if ( first === 1 && last === 0 ) { return true; } var doneName = match[0], parent = elem.parentNode; if ( parent && (parent.sizcache !== doneName || !elem.nodeIndex) ) { var count = 0; for ( node = parent.firstChild; node; node = node.nextSibling ) { if ( node.nodeType === 1 ) { node.nodeIndex = ++count; } } parent.sizcache = doneName; } var diff = elem.nodeIndex - last; if ( first === 0 ) { return diff === 0; } else { return ( diff % first === 0 && diff / first >= 0 ); } } }, ID: function( elem, match ) { return elem.nodeType === 1 && elem.getAttribute("id") === match; }, TAG: function( elem, match ) { return (match === "*" && elem.nodeType === 1) || elem.nodeName.toLowerCase() === match; }, CLASS: function( elem, match ) { return (" " + (elem.className || elem.getAttribute("class")) + " ") .indexOf( match ) > -1; }, ATTR: function( elem, match ) { var name = match[1], result = Expr.attrHandle[ name ] ? Expr.attrHandle[ name ]( elem ) : elem[ name ] != null ? elem[ name ] : elem.getAttribute( name ), value = result + "", type = match[2], check = match[4]; return result == null ? type === "!=" : type === "=" ? value === check : type === "*=" ? value.indexOf(check) >= 0 : type === "~=" ? (" " + value + " ").indexOf(check) >= 0 : !check ? value && result !== false : type === "!=" ? value !== check : type === "^=" ? value.indexOf(check) === 0 : type === "$=" ? value.substr(value.length - check.length) === check : type === "|=" ? value === check || value.substr(0, check.length + 1) === check + "-" : false; }, POS: function( elem, match, i, array ) { var name = match[2], filter = Expr.setFilters[ name ]; if ( filter ) { return filter( elem, i, match, array ); } } } }; var origPOS = Expr.match.POS, fescape = function(all, num){ return "\\" + (num - 0 + 1); }; for ( var type in Expr.match ) { Expr.match[ type ] = new RegExp( Expr.match[ type ].source + (/(?![^\[]*\])(?![^\(]*\))/.source) ); Expr.leftMatch[ type ] = new RegExp( /(^(?:.|\r|\n)*?)/.source + Expr.match[ type ].source.replace(/\\(\d+)/g, fescape) ); } var makeArray = function( array, results ) { array = Array.prototype.slice.call( array, 0 ); if ( results ) { results.push.apply( results, array ); return results; } return array; }; // Perform a simple check to determine if the browser is capable of // converting a NodeList to an array using builtin methods. // Also verifies that the returned array holds DOM nodes // (which is not the case in the Blackberry browser) try { Array.prototype.slice.call( document.documentElement.childNodes, 0 )[0].nodeType; // Provide a fallback method if it does not work } catch( e ) { makeArray = function( array, results ) { var i = 0, ret = results || []; if ( toString.call(array) === "[object Array]" ) { Array.prototype.push.apply( ret, array ); } else { if ( typeof array.length === "number" ) { for ( var l = array.length; i < l; i++ ) { ret.push( array[i] ); } } else { for ( ; array[i]; i++ ) { ret.push( array[i] ); } } } return ret; }; } var sortOrder, siblingCheck; if ( document.documentElement.compareDocumentPosition ) { sortOrder = function( a, b ) { if ( a === b ) { hasDuplicate = true; return 0; } if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) { return a.compareDocumentPosition ? -1 : 1; } return a.compareDocumentPosition(b) & 4 ? -1 : 1; }; } else { sortOrder = function( a, b ) { var al, bl, ap = [], bp = [], aup = a.parentNode, bup = b.parentNode, cur = aup; // The nodes are identical, we can exit early if ( a === b ) { hasDuplicate = true; return 0; // If the nodes are siblings (or identical) we can do a quick check } else if ( aup === bup ) { return siblingCheck( a, b ); // If no parents were found then the nodes are disconnected } else if ( !aup ) { return -1; } else if ( !bup ) { return 1; } // Otherwise they‘re somewhere else in the tree so we need // to build up a full list of the parentNodes for comparison while ( cur ) { ap.unshift( cur ); cur = cur.parentNode; } cur = bup; while ( cur ) { bp.unshift( cur ); cur = cur.parentNode; } al = ap.length; bl = bp.length; // Start walking down the tree looking for a discrepancy for ( var i = 0; i < al && i < bl; i++ ) { if ( ap[i] !== bp[i] ) { return siblingCheck( ap[i], bp[i] ); } } // We ended someplace up the tree so do a sibling check return i === al ? siblingCheck( a, bp[i], -1 ) : siblingCheck( ap[i], b, 1 ); }; siblingCheck = function( a, b, ret ) { if ( a === b ) { return ret; } var cur = a.nextSibling; while ( cur ) { if ( cur === b ) { return -1; } cur = cur.nextSibling; } return 1; }; } // Utility function for retreiving the text value of an array of DOM nodes Sizzle.getText = function( elems ) { var ret = "", elem; for ( var i = 0; elems[i]; i++ ) { elem = elems[i]; // Get the text from text nodes and CDATA nodes if ( elem.nodeType === 3 || elem.nodeType === 4 ) { ret += elem.nodeValue; // Traverse everything else, except comment nodes } else if ( elem.nodeType !== 8 ) { ret += Sizzle.getText( elem.childNodes ); } } return ret; }; // Check to see if the browser returns elements by name when // querying by getElementById (and provide a workaround) (function(){ // We‘re going to inject a fake input element with a specified name var form = document.createElement("div"), id = "script" + (new Date()).getTime(), root = document.documentElement; form.innerHTML = "<a name=‘" + id + "‘/>"; // Inject it into the root element, check its status, and remove it quickly root.insertBefore( form, root.firstChild ); // The workaround has to do additional checks after a getElementById // Which slows things down for other browsers (hence the branching) if ( document.getElementById( id ) ) { Expr.find.ID = function( match, context, isXML ) { if ( typeof context.getElementById !== "undefined" && !isXML ) { var m = context.getElementById(match[1]); return m ? m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ? [m] : undefined : []; } }; Expr.filter.ID = function( elem, match ) { var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id"); return elem.nodeType === 1 && node && node.nodeValue === match; }; } root.removeChild( form ); // release memory in IE root = form = null; })(); (function(){ // Check to see if the browser returns only elements // when doing getElementsByTagName("*") // Create a fake element var div = document.createElement("div"); div.appendChild( document.createComment("") ); // Make sure no comments are found if ( div.getElementsByTagName("*").length > 0 ) { Expr.find.TAG = function( match, context ) { var results = context.getElementsByTagName( match[1] ); // Filter out possible comments if ( match[1] === "*" ) { var tmp = []; for ( var i = 0; results[i]; i++ ) { if ( results[i].nodeType === 1 ) { tmp.push( results[i] ); } } results = tmp; } return results; }; } // Check to see if an attribute returns normalized href attributes div.innerHTML = "<a href=‘#‘></a>"; if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" && div.firstChild.getAttribute("href") !== "#" ) { Expr.attrHandle.href = function( elem ) { return elem.getAttribute( "href", 2 ); }; } // release memory in IE div = null; })(); if ( document.querySelectorAll ) { (function(){ var oldSizzle = Sizzle, div = document.createElement("div"), id = "__sizzle__"; div.innerHTML = "<p class=‘TEST‘></p>"; // Safari can‘t handle uppercase or unicode characters when // in quirks mode. if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) { return; } Sizzle = function( query, context, extra, seed ) { context = context || document; // Only use querySelectorAll on non-XML documents // (ID selectors don‘t work in non-HTML documents) if ( !seed && !Sizzle.isXML(context) ) { // See if we find a selector to speed up var match = /^(\w+$)|^\.([\w\-]+$)|^#([\w\-]+$)/.exec( query ); if ( match && (context.nodeType === 1 || context.nodeType === 9) ) { // Speed-up: Sizzle("TAG") if ( match[1] ) { return makeArray( context.getElementsByTagName( query ), extra ); // Speed-up: Sizzle(".CLASS") } else if ( match[2] && Expr.find.CLASS && context.getElementsByClassName ) { return makeArray( context.getElementsByClassName( match[2] ), extra ); } } if ( context.nodeType === 9 ) { // Speed-up: Sizzle("body") // The body element only exists once, optimize finding it if ( query === "body" && context.body ) { return makeArray( [ context.body ], extra ); // Speed-up: Sizzle("#ID") } else if ( match && match[3] ) { var elem = context.getElementById( match[3] ); // Check parentNode to catch when Blackberry 4.6 returns // nodes that are no longer in the document #6963 if ( elem && elem.parentNode ) { // Handle the case where IE and Opera return items // by name instead of ID if ( elem.id === match[3] ) { return makeArray( [ elem ], extra ); } } else { return makeArray( [], extra ); } } try { return makeArray( context.querySelectorAll(query), extra ); } catch(qsaError) {} // qSA works strangely on Element-rooted queries // We can work around this by specifying an extra ID on the root // and working up from there (Thanks to Andrew Dupont for the technique) // IE 8 doesn‘t work on object elements } else if ( context.nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) { var old = context.getAttribute( "id" ), nid = old || id, hasParent = context.parentNode, relativeHierarchySelector = /^\s*[+~]/.test( query ); if ( !old ) { context.setAttribute( "id", nid ); } else { nid = nid.replace( /‘/g, "\\$&" ); } if ( relativeHierarchySelector && hasParent ) { context = context.parentNode; } try { if ( !relativeHierarchySelector || hasParent ) { return makeArray( context.querySelectorAll( "[id=‘" + nid + "‘] " + query ), extra ); } } catch(pseudoError) { } finally { if ( !old ) { context.removeAttribute( "id" ); } } } } return oldSizzle(query, context, extra, seed); }; for ( var prop in oldSizzle ) { Sizzle[ prop ] = oldSizzle[ prop ]; } // release memory in IE div = null; })(); } (function(){ var html = document.documentElement, matches = html.matchesSelector || html.mozMatchesSelector || html.webkitMatchesSelector || html.msMatchesSelector, pseudoWorks = false; try { // This should fail with an exception // Gecko does not error, returns false instead matches.call( document.documentElement, "[test!=‘‘]:sizzle" ); } catch( pseudoError ) { pseudoWorks = true; } if ( matches ) { Sizzle.matchesSelector = function( node, expr ) { // Make sure that attribute selectors are quoted expr = expr.replace(/\=\s*([^‘"\]]*)\s*\]/g, "=‘$1‘]"); if ( !Sizzle.isXML( node ) ) { try { if ( pseudoWorks || !Expr.match.PSEUDO.test( expr ) && !/!=/.test( expr ) ) { return matches.call( node, expr ); } } catch(e) {} } return Sizzle(expr, null, null, [node]).length > 0; }; } })(); (function(){ var div = document.createElement("div"); div.innerHTML = "<div class=‘test e‘></div><div class=‘test‘></div>"; // Opera can‘t find a second classname (in 9.6) // Also, make sure that getElementsByClassName actually exists if ( !div.getElementsByClassName || div.getElementsByClassName("e").length === 0 ) { return; } // Safari caches class attributes, doesn‘t catch changes (in 3.2) div.lastChild.className = "e"; if ( div.getElementsByClassName("e").length === 1 ) { return; } Expr.order.splice(1, 0, "CLASS"); Expr.find.CLASS = function( match, context, isXML ) { if ( typeof context.getElementsByClassName !== "undefined" && !isXML ) { return context.getElementsByClassName(match[1]); } }; // release memory in IE div = null; })(); function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) { for ( var i = 0, l = checkSet.length; i < l; i++ ) { var elem = checkSet[i]; if ( elem ) { var match = false; elem = elem[dir]; while ( elem ) { if ( elem.sizcache === doneName ) { match = checkSet[elem.sizset]; break; } if ( elem.nodeType === 1 && !isXML ){ elem.sizcache = doneName; elem.sizset = i; } if ( elem.nodeName.toLowerCase() === cur ) { match = elem; break; } elem = elem[dir]; } checkSet[i] = match; } } } function dirCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) { for ( var i = 0, l = checkSet.length; i < l; i++ ) { var elem = checkSet[i]; if ( elem ) { var match = false; elem = elem[dir]; while ( elem ) { if ( elem.sizcache === doneName ) { match = checkSet[elem.sizset]; break; } if ( elem.nodeType === 1 ) { if ( !isXML ) { elem.sizcache = doneName; elem.sizset = i; } if ( typeof cur !== "string" ) { if ( elem === cur ) { match = true; break; } } else if ( Sizzle.filter( cur, [elem] ).length > 0 ) { match = elem; break; } } elem = elem[dir]; } checkSet[i] = match; } } } if ( document.documentElement.contains ) { Sizzle.contains = function( a, b ) { return a !== b && (a.contains ? a.contains(b) : true); }; } else if ( document.documentElement.compareDocumentPosition ) { Sizzle.contains = function( a, b ) { return !!(a.compareDocumentPosition(b) & 16); }; } else { Sizzle.contains = function() { return false; }; } Sizzle.isXML = function( elem ) { // documentElement is verified for cases where it doesn‘t yet exist // (such as loading iframes in IE - #4833) var documentElement = (elem ? elem.ownerDocument || elem : 0).documentElement; return documentElement ? documentElement.nodeName !== "HTML" : false; }; var posProcess = function( selector, context ) { var match, tmpSet = [], later = "", root = context.nodeType ? [context] : context; // Position selectors must be done after the filter // And so must :not(positional) so we move all PSEUDOs to the end while ( (match = Expr.match.PSEUDO.exec( selector )) ) { later += match[0]; selector = selector.replace( Expr.match.PSEUDO, "" ); } selector = Expr.relative[selector] ? selector + "*" : selector; for ( var i = 0, l = root.length; i < l; i++ ) { Sizzle( selector, root[i], tmpSet ); } return Sizzle.filter( later, tmpSet ); }; // EXPOSE jQuery.find = Sizzle; jQuery.expr = Sizzle.selectors; jQuery.expr[":"] = jQuery.expr.filters; jQuery.unique = Sizzle.uniqueSort; jQuery.text = Sizzle.getText; jQuery.isXMLDoc = Sizzle.isXML; jQuery.contains = Sizzle.contains; })(); var runtil = /Until$/, rparentsprev = /^(?:parents|prevUntil|prevAll)/, // Note: This RegExp should be improved, or likely pulled from Sizzle rmultiselector = /,/, isSimple = /^.[^:#\[\.,]*$/, slice = Array.prototype.slice, POS = jQuery.expr.match.POS, // 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 ret = this.pushStack( "", "find", selector ), length = 0; for ( var i = 0, l = this.length; i < l; i++ ) { length = ret.length; jQuery.find( selector, this[i], ret ); if ( i > 0 ) { // Make sure that the results are unique for ( var n = length; n < ret.length; n++ ) { for ( var r = 0; r < length; r++ ) { if ( ret[r] === ret[n] ) { ret.splice(n--, 1); break; } } } } } return ret; }, has: function( target ) { var targets = jQuery( target ); return this.filter(function() { for ( var i = 0, l = targets.length; i < l; i++ ) { if ( jQuery.contains( this, targets[i] ) ) { return true; } } }); }, not: function( selector ) { return this.pushStack( winnow(this, selector, false), "not", selector); }, filter: function( selector ) { return this.pushStack( winnow(this, selector, true), "filter", selector ); }, is: function( selector ) { return !!selector && jQuery.filter( selector, this ).length > 0; }, closest: function( selectors, context ) { var ret = [], i, l, cur = this[0]; if ( jQuery.isArray( selectors ) ) { var match, selector, matches = {}, level = 1; if ( cur && selectors.length ) { for ( i = 0, l = selectors.length; i < l; i++ ) { selector = selectors[i]; if ( !matches[selector] ) { matches[selector] = jQuery.expr.match.POS.test( selector ) ? jQuery( selector, context || this.context ) : selector; } } while ( cur && cur.ownerDocument && cur !== context ) { for ( selector in matches ) { match = matches[selector]; if ( match.jquery ? match.index(cur) > -1 : jQuery(cur).is(match) ) { ret.push({ selector: selector, elem: cur, level: level }); } } cur = cur.parentNode; level++; } } return ret; } var pos = POS.test( selectors ) ? jQuery( selectors, context || this.context ) : null; for ( i = 0, l = this.length; i < l; i++ ) { cur = this[i]; while ( cur ) { if ( pos ? pos.index(cur) > -1 : jQuery.find.matchesSelector(cur, selectors) ) { ret.push( cur ); break; } else { cur = cur.parentNode; if ( !cur || !cur.ownerDocument || cur === context ) { break; } } } } ret = ret.length > 1 ? jQuery.unique(ret) : ret; return this.pushStack( ret, "closest", selectors ); }, // Determine the position of an element within // the matched set of elements index: function( elem ) { if ( !elem || typeof elem === "string" ) { return jQuery.inArray( this[0], // If it receives a string, the selector is used // If it receives nothing, the siblings are used elem ? jQuery( elem ) : this.parent().children() ); } // 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 ) { var set = typeof selector === "string" ? jQuery( selector, context ) : jQuery.makeArray( selector ), all = jQuery.merge( this.get(), set ); return this.pushStack( isDisconnected( set[0] ) || isDisconnected( all[0] ) ? all : jQuery.unique( all ) ); }, andSelf: function() { return this.add( this.prevObject ); } }); // A painfully simple check to see if an element is disconnected // from a document (should be improved, where feasible). function isDisconnected( node ) { return !node || !node.parentNode || node.parentNode.nodeType === 11; } 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 jQuery.nth( elem, 2, "nextSibling" ); }, prev: function( elem ) { return jQuery.nth( elem, 2, "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.makeArray( elem.childNodes ); } }, function( name, fn ) { jQuery.fn[ name ] = function( until, selector ) { var ret = jQuery.map( this, fn, until ), // The variable ‘args‘ was introduced in // https://github.com/jquery/jquery/commit/52a0238 // to work around a bug in Chrome 10 (Dev) and should be removed when the bug is fixed. // http://code.google.com/p/v8/issues/detail?id=1050 args = slice.call(arguments); if ( !runtil.test( name ) ) { selector = until; } if ( selector && typeof selector === "string" ) { ret = jQuery.filter( selector, ret ); } ret = this.length > 1 && !guaranteedUnique[ name ] ? jQuery.unique( ret ) : ret; if ( (this.length > 1 || rmultiselector.test( selector )) && rparentsprev.test( name ) ) { ret = ret.reverse(); } return this.pushStack( ret, name, args.join(",") ); }; }); jQuery.extend({ filter: function( expr, elems, not ) { if ( not ) { expr = ":not(" + expr + ")"; } return elems.length === 1 ? jQuery.find.matchesSelector(elems[0], expr) ? [ elems[0] ] : [] : jQuery.find.matches(expr, elems); }, 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; }, nth: function( cur, result, dir, elem ) { result = result || 1; var num = 0; for ( ; cur; cur = cur[dir] ) { if ( cur.nodeType === 1 && ++num === result ) { break; } } return cur; }, sibling: function( n, elem ) { var r = []; for ( ; n; n = n.nextSibling ) { if ( n.nodeType === 1 && n !== elem ) { r.push( n ); } } return r; } }); // Implement the identical functionality for filter and not function winnow( elements, qualifier, keep ) { if ( jQuery.isFunction( qualifier ) ) { return jQuery.grep(elements, function( elem, i ) { var retVal = !!qualifier.call( elem, i, elem ); return retVal === keep; }); } else if ( qualifier.nodeType ) { return jQuery.grep(elements, function( elem, i ) { return (elem === qualifier) === keep; }); } else if ( typeof qualifier === "string" ) { var filtered = jQuery.grep(elements, function( elem ) { return elem.nodeType === 1; }); if ( isSimple.test( qualifier ) ) { return jQuery.filter(qualifier, filtered, !keep); } else { qualifier = jQuery.filter( qualifier, filtered ); } } return jQuery.grep(elements, function( elem, i ) { return (jQuery.inArray( elem, qualifier ) >= 0) === keep; }); } var rinlinejQuery = / jQuery\d+="(?:\d+|null)"/g, rleadingWhitespace = /^\s+/, rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig, rtagName = /<([\w:]+)/, rtbody = /<tbody/i, rhtml = /<|&#?\w+;/, rnocache = /<(?:script|object|embed|option|style)/i, // checked="checked" or checked (html5) rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i, wrapMap = { option: [ 1, "<select multiple=‘multiple‘>", "</select>" ], legend: [ 1, "<fieldset>", "</fieldset>" ], thead: [ 1, "<table>", "</table>" ], tr: [ 2, "<table><tbody>", "</tbody></table>" ], td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ], col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ], area: [ 1, "<map>", "</map>" ], _default: [ 0, "", "" ] }; wrapMap.optgroup = wrapMap.option; wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; wrapMap.th = wrapMap.td; // IE can‘t serialize <link> and <script> tags normally if ( !jQuery.support.htmlSerialize ) { wrapMap._default = [ 1, "div<div>", "</div>" ]; } jQuery.fn.extend({ text: function( text ) { if ( jQuery.isFunction(text) ) { return this.each(function(i) { var self = jQuery( this ); self.text( text.call(this, i, self.text()) ); }); } if ( typeof text !== "object" && text !== undefined ) { return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) ); } return jQuery.text( this ); }, wrapAll: function( html ) { if ( jQuery.isFunction( html ) ) { return this.each(function(i) { jQuery(this).wrapAll( html.call(this, i) ); }); } if ( this[0] ) { // The elements to wrap the target around var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone(true); if ( this[0].parentNode ) { wrap.insertBefore( this[0] ); } wrap.map(function() { var elem = this; while ( elem.firstChild && elem.firstChild.nodeType === 1 ) { elem = elem.firstChild; } return elem; }).append(this); } return this; }, wrapInner: function( html ) { if ( jQuery.isFunction( html ) ) { return this.each(function(i) { jQuery(this).wrapInner( html.call(this, i) ); }); } return this.each(function() { var self = jQuery( this ), contents = self.contents(); if ( contents.length ) { contents.wrapAll( html ); } else { self.append( html ); } }); }, wrap: function( html ) { return this.each(function() { jQuery( this ).wrapAll( html ); }); }, unwrap: function() { return this.parent().each(function() { if ( !jQuery.nodeName( this, "body" ) ) { jQuery( this ).replaceWith( this.childNodes ); } }).end(); }, append: function() { return this.domManip(arguments, true, function( elem ) { if ( this.nodeType === 1 ) { this.appendChild( elem ); } }); }, prepend: function() { return this.domManip(arguments, true, function( elem ) { if ( this.nodeType === 1 ) { this.insertBefore( elem, this.firstChild ); } }); }, before: function() { if ( this[0] && this[0].parentNode ) { return this.domManip(arguments, false, function( elem ) { this.parentNode.insertBefore( elem, this ); }); } else if ( arguments.length ) { var set = jQuery(arguments[0]); set.push.apply( set, this.toArray() ); return this.pushStack( set, "before", arguments ); } }, after: function() { if ( this[0] && this[0].parentNode ) { return this.domManip(arguments, false, function( elem ) { this.parentNode.insertBefore( elem, this.nextSibling ); }); } else if ( arguments.length ) { var set = this.pushStack( this, "after", arguments ); set.push.apply( set, jQuery(arguments[0]).toArray() ); return set; } }, // keepData is for internal use only--do not document remove: function( selector, keepData ) { for ( var i = 0, elem; (elem = this[i]) != null; i++ ) { if ( !selector || jQuery.filter( selector, [ elem ] ).length ) { if ( !keepData && elem.nodeType === 1 ) { jQuery.cleanData( elem.getElementsByTagName("*") ); jQuery.cleanData( [ elem ] ); } if ( elem.parentNode ) { elem.parentNode.removeChild( elem ); } } } return this; }, empty: function() { for ( var i = 0, elem; (elem = this[i]) != null; i++ ) { // Remove element nodes and prevent memory leaks if ( elem.nodeType === 1 ) { jQuery.cleanData( elem.getElementsByTagName("*") ); } // Remove any remaining nodes while ( elem.firstChild ) { elem.removeChild( elem.firstChild ); } } return this; }, clone: function( dataAndEvents, deepDataAndEvents ) { dataAndEvents = dataAndEvents == null ? true : dataAndEvents; deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents; return this.map( function () { return jQuery.clone( this, dataAndEvents, deepDataAndEvents ); }); }, html: function( value ) { if ( value === undefined ) { return this[0] && this[0].nodeType === 1 ? this[0].innerHTML.replace(rinlinejQuery, "") : null; // See if we can take a shortcut and just use innerHTML } else if ( typeof value === "string" && !rnocache.test( value ) && (jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value )) && !wrapMap[ (rtagName.exec( value ) || ["", ""])[1].toLowerCase() ] ) { value = value.replace(rxhtmlTag, "<$1></$2>"); try { for ( var i = 0, l = this.length; i < l; i++ ) { // Remove element nodes and prevent memory leaks if ( this[i].nodeType === 1 ) { jQuery.cleanData( this[i].getElementsByTagName("*") ); this[i].innerHTML = value; } } // If using innerHTML throws an exception, use the fallback method } catch(e) { this.empty().append( value ); } } else if ( jQuery.isFunction( value ) ) { this.each(function(i){ var self = jQuery( this ); self.html( value.call(this, i, self.html()) ); }); } else { this.empty().append( value ); } return this; }, replaceWith: function( value ) { if ( this[0] && this[0].parentNode ) { // Make sure that the elements are removed from the DOM before they are inserted // this can help fix replacing a parent with child elements if ( jQuery.isFunction( value ) ) { return this.each(function(i) { var self = jQuery(this), old = self.html(); self.replaceWith( value.call( this, i, old ) ); }); } if ( typeof value !== "string" ) { value = jQuery( value ).detach(); } return this.each(function() { var next = this.nextSibling, parent = this.parentNode; jQuery( this ).remove(); if ( next ) { jQuery(next).before( value ); } else { jQuery(parent).append( value ); } }); } else { return this.pushStack( jQuery(jQuery.isFunction(value) ? value() : value), "replaceWith", value ); } }, detach: function( selector ) { return this.remove( selector, true ); }, domManip: function( args, table, callback ) { var results, first, fragment, parent, value = args[0], scripts = []; // We can‘t cloneNode fragments that contain checked, in WebKit if ( !jQuery.support.checkClone && arguments.length === 3 && typeof value === "string" && rchecked.test( value ) ) { return this.each(function() { jQuery(this).domManip( args, table, callback, true ); }); } if ( jQuery.isFunction(value) ) { return this.each(function(i) { var self = jQuery(this); args[0] = value.call(this, i, table ? self.html() : undefined); self.domManip( args, table, callback ); }); } if ( this[0] ) { parent = value && value.parentNode; // If we‘re in a fragment, just use that instead of building a new one if ( jQuery.support.parentNode && parent && parent.nodeType === 11 && parent.childNodes.length === this.length ) { results = { fragment: parent }; } else { results = jQuery.buildFragment( args, this, scripts ); } fragment = results.fragment; if ( fragment.childNodes.length === 1 ) { first = fragment = fragment.firstChild; } else { first = fragment.firstChild; } if ( first ) { table = table && jQuery.nodeName( first, "tr" ); for ( var i = 0, l = this.length, lastIndex = l - 1; i < l; i++ ) { callback.call( table ? root(this[i], first) : this[i], // Make sure that we do not leak memory by inadvertently discarding // the original fragment (which might have attached data) instead of // using it; in addition, use the original fragment object for the last // item instead of first because it can end up being emptied incorrectly // in certain situations (Bug #8070). // Fragments from the fragment cache must always be cloned and never used // in place. results.cacheable || (l > 1 && i < lastIndex) ? jQuery.clone( fragment, true, true ) : fragment ); } } if ( scripts.length ) { jQuery.each( scripts, evalScript ); } } return this; } }); function root( elem, cur ) { return jQuery.nodeName(elem, "table") ? (elem.getElementsByTagName("tbody")[0] || elem.appendChild(elem.ownerDocument.createElement("tbody"))) : elem; } function cloneCopyEvent( src, dest ) { if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) { return; } var internalKey = jQuery.expando, oldData = jQuery.data( src ), curData = jQuery.data( dest, oldData ); // Switch to use the internal data object, if it exists, for the next // stage of data copying if ( (oldData = oldData[ internalKey ]) ) { var events = oldData.events; curData = curData[ internalKey ] = jQuery.extend({}, oldData); if ( events ) { delete curData.handle; curData.events = {}; for ( var type in events ) { for ( var i = 0, l = events[ type ].length; i < l; i++ ) { jQuery.event.add( dest, type, events[ type ][ i ], events[ type ][ i ].data ); } } } } } function cloneFixAttributes(src, dest) { // We do not need to do anything for non-Elements if ( dest.nodeType !== 1 ) { return; } var nodeName = dest.nodeName.toLowerCase(); // clearAttributes removes the attributes, which we don‘t want, // but also removes the attachEvent events, which we *do* want dest.clearAttributes(); // mergeAttributes, in contrast, only merges back on the // original attributes, not the events dest.mergeAttributes(src); // IE6-8 fail to clone children inside object elements that use // the proprietary classid attribute value (rather than the type // attribute) to identify the type of content to display if ( nodeName === "object" ) { dest.outerHTML = src.outerHTML; } else if ( nodeName === "input" && (src.type === "checkbox" || src.type === "radio") ) { // 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 if ( src.checked ) { dest.defaultChecked = dest.checked = src.checked; } // 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; } // IE6-8 fails to return the selected option to the default selected // state when cloning options } else if ( nodeName === "option" ) { dest.selected = src.defaultSelected; // 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; } // Event data gets referenced instead of copied if the expando // gets copied too dest.removeAttribute( jQuery.expando ); } jQuery.buildFragment = function( args, nodes, scripts ) { var fragment, cacheable, cacheresults, doc = (nodes && nodes[0] ? nodes[0].ownerDocument || nodes[0] : document); // Only cache "small" (1/2 KB) HTML strings that are associated with the main document // Cloning options loses the selected state, so don‘t cache them // IE 6 doesn‘t like it when you put <object> or <embed> elements in a fragment // Also, WebKit does not clone ‘checked‘ attributes on cloneNode, so don‘t cache if ( args.length === 1 && typeof args[0] === "string" && args[0].length < 512 && doc === document && args[0].charAt(0) === "<" && !rnocache.test( args[0] ) && (jQuery.support.checkClone || !rchecked.test( args[0] )) ) { cacheable = true; cacheresults = jQuery.fragments[ args[0] ]; if ( cacheresults ) { if ( cacheresults !== 1 ) { fragment = cacheresults; } } } if ( !fragment ) { fragment = doc.createDocumentFragment(); jQuery.clean( args, doc, fragment, scripts ); } if ( cacheable ) { jQuery.fragments[ args[0] ] = cacheresults ? fragment : 1; } return { fragment: fragment, cacheable: cacheable }; }; jQuery.fragments = {}; jQuery.each({ appendTo: "append", prependTo: "prepend", insertBefore: "before", insertAfter: "after", replaceAll: "replaceWith" }, function( name, original ) { jQuery.fn[ name ] = function( selector ) { var ret = [], insert = jQuery( selector ), parent = this.length === 1 && this[0].parentNode; if ( parent && parent.nodeType === 11 && parent.childNodes.length === 1 && insert.length === 1 ) { insert[ original ]( this[0] ); return this; } else { for ( var i = 0, l = insert.length; i < l; i++ ) { var elems = (i > 0 ? this.clone(true) : this).get(); jQuery( insert[i] )[ original ]( elems ); ret = ret.concat( elems ); } return this.pushStack( ret, name, insert.selector ); } }; }); jQuery.extend({ clone: function( elem, dataAndEvents, deepDataAndEvents ) { var clone = elem.cloneNode(true), srcElements, destElements, i; if ( !jQuery.support.noCloneEvent && (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) { // IE copies events bound via attachEvent when using cloneNode. // Calling detachEvent on the clone will also remove the events // from the original. In order to get around this, we use some // proprietary methods to clear the events. Thanks to MooTools // guys for this hotness. // Using Sizzle here is crazy slow, so we use getElementsByTagName // instead srcElements = elem.getElementsByTagName("*"); destElements = clone.getElementsByTagName("*"); // Weird iteration because IE will replace the length property // with an element if you are cloning the body and one of the // elements on the page has a name or id of "length" for ( i = 0; srcElements[i]; ++i ) { cloneFixAttributes( srcElements[i], destElements[i] ); } cloneFixAttributes( elem, clone ); } // Copy the events from the original to the clone if ( dataAndEvents ) { cloneCopyEvent( elem, clone ); if ( deepDataAndEvents && "getElementsByTagName" in elem ) { srcElements = elem.getElementsByTagName("*"); destElements = clone.getElementsByTagName("*"); if ( srcElements.length ) { for ( i = 0; srcElements[i]; ++i ) { cloneCopyEvent( srcElements[i], destElements[i] ); } } } } // Return the cloned set return clone; }, clean: function( elems, context, fragment, scripts ) { context = context || document; // !context.createElement fails in IE with an error but returns typeof ‘object‘ if ( typeof context.createElement === "undefined" ) { context = context.ownerDocument || context[0] && context[0].ownerDocument || document; } var ret = []; for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) { if ( typeof elem === "number" ) { elem += ""; } if ( !elem ) { continue; } // Convert html string into DOM nodes if ( typeof elem === "string" && !rhtml.test( elem ) ) { elem = context.createTextNode( elem ); } else if ( typeof elem === "string" ) { // Fix "XHTML"-style tags in all browsers elem = elem.replace(rxhtmlTag, "<$1></$2>"); // Trim whitespace, otherwise indexOf won‘t work as expected var tag = (rtagName.exec( elem ) || ["", ""])[1].toLowerCase(), wrap = wrapMap[ tag ] || wrapMap._default, depth = wrap[0], div = context.createElement("div"); // Go to html and back, then peel off extra wrappers div.innerHTML = wrap[1] + elem + wrap[2]; // Move to the right depth while ( depth-- ) { div = div.lastChild; } // Remove IE‘s autoinserted <tbody> from table fragments if ( !jQuery.support.tbody ) { // String was a <table>, *may* have spurious <tbody> var hasBody = rtbody.test(elem), tbody = tag === "table" && !hasBody ? div.firstChild && div.firstChild.childNodes : // String was a bare <thead> or <tfoot> wrap[1] === "<table>" && !hasBody ? div.childNodes : []; for ( var j = tbody.length - 1; j >= 0 ; --j ) { if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length ) { tbody[ j ].parentNode.removeChild( tbody[ j ] ); } } } // IE completely kills leading whitespace when innerHTML is used if ( !jQuery.support.leadingWhitespace && rleadingWhitespace.test( elem ) ) { div.insertBefore( context.createTextNode( rleadingWhitespace.exec(elem)[0] ), div.firstChild ); } elem = div.childNodes; } if ( elem.nodeType ) { ret.push( elem ); } else { ret = jQuery.merge( ret, elem ); } } if ( fragment ) { for ( i = 0; ret[i]; i++ ) { if ( scripts && jQuery.nodeName( ret[i], "script" ) && (!ret[i].type || ret[i].type.toLowerCase() === "text/javascript") ) { scripts.push( ret[i].parentNode ? ret[i].parentNode.removeChild( ret[i] ) : ret[i] ); } else { if ( ret[i].nodeType === 1 ) { ret.splice.apply( ret, [i + 1, 0].concat(jQuery.makeArray(ret[i].getElementsByTagName("script"))) ); } fragment.appendChild( ret[i] ); } } } return ret; }, cleanData: function( elems ) { var data, id, cache = jQuery.cache, internalKey = jQuery.expando, special = jQuery.event.special, deleteExpando = jQuery.support.deleteExpando; for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) { if ( elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()] ) { continue; } id = elem[ jQuery.expando ]; if ( id ) { data = cache[ id ] && cache[ id ][ internalKey ]; if ( data && data.events ) { for ( var type in data.events ) { if ( special[ type ] ) { jQuery.event.remove( elem, type ); // This is a shortcut to avoid jQuery.event.remove‘s overhead } else { jQuery.removeEvent( elem, type, data.handle ); } } // Null the DOM reference to avoid IE6/7/8 leak (#7054) if ( data.handle ) { data.handle.elem = null; } } if ( deleteExpando ) { delete elem[ jQuery.expando ]; } else if ( elem.removeAttribute ) { elem.removeAttribute( jQuery.expando ); } delete cache[ id ]; } } } }); function evalScript( i, elem ) { if ( elem.src ) { jQuery.ajax({ url: elem.src, async: false, dataType: "script" }); } else { jQuery.globalEval( elem.text || elem.textContent || elem.innerHTML || "" ); } if ( elem.parentNode ) { elem.parentNode.removeChild( elem ); } } var ralpha = /alpha\([^)]*\)/i, ropacity = /opacity=([^)]*)/, rdashAlpha = /-([a-z])/ig, rupper = /([A-Z])/g, rnumpx = /^-?\d+(?:px)?$/i, rnum = /^-?\d/, cssShow = { position: "absolute", visibility: "hidden", display: "block" }, cssWidth = [ "Left", "Right" ], cssHeight = [ "Top", "Bottom" ], curCSS, getComputedStyle, currentStyle, fcamelCase = function( all, letter ) { return letter.toUpperCase(); }; jQuery.fn.css = function( name, value ) { // Setting ‘undefined‘ is a no-op if ( arguments.length === 2 && value === undefined ) { return this; } return jQuery.access( this, name, value, true, function( elem, name, value ) { return value !== undefined ? jQuery.style( elem, name, value ) : jQuery.css( elem, name ); }); }; jQuery.extend({ // Add in style property hooks for overriding the default // behavior of getting and setting a style property cssHooks: { opacity: { get: function( elem, computed ) { if ( computed ) { // We should always get a number back from opacity var ret = curCSS( elem, "opacity", "opacity" ); return ret === "" ? "1" : ret; } else { return elem.style.opacity; } } } }, // Exclude the following css properties to add px cssNumber: { "zIndex": true, "fontWeight": true, "opacity": true, "zoom": true, "lineHeight": true }, // Add in properties whose names you wish to fix before // setting or getting the value cssProps: { // normalize float css property "float": jQuery.support.cssFloat ? "cssFloat" : "styleFloat" }, // Get and set the style property on a DOM Node style: function( elem, name, value, extra ) { // Don‘t set styles on text and comment nodes if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) { return; } // Make sure that we‘re working with the right name var ret, origName = jQuery.camelCase( name ), style = elem.style, hooks = jQuery.cssHooks[ origName ]; name = jQuery.cssProps[ origName ] || origName; // Check if we‘re setting a value if ( value !== undefined ) { // Make sure that NaN and null values aren‘t set. See: #7116 if ( typeof value === "number" && isNaN( value ) || value == null ) { return; } // If a number was passed in, add ‘px‘ to the (except for certain CSS properties) if ( typeof value === "number" && !jQuery.cssNumber[ origName ] ) { value += "px"; } // If a hook was provided, use that value, otherwise just set the specified value if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value )) !== undefined ) { // Wrapped to prevent IE from throwing errors when ‘invalid‘ values are provided // Fixes bug #5509 try { style[ name ] = value; } catch(e) {} } } else { // If a hook was provided get the non-computed value from there if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) { return ret; } // Otherwise just get the value from the style object return style[ name ]; } }, css: function( elem, name, extra ) { // Make sure that we‘re working with the right name var ret, origName = jQuery.camelCase( name ), hooks = jQuery.cssHooks[ origName ]; name = jQuery.cssProps[ origName ] || origName; // If a hook was provided get the computed value from there if ( hooks && "get" in hooks && (ret = hooks.get( elem, true, extra )) !== undefined ) { return ret; // Otherwise, if a way to get the computed value exists, use that } else if ( curCSS ) { return curCSS( elem, name, origName ); } }, // A method for quickly swapping in/out CSS properties to get correct calculations swap: function( elem, options, callback ) { var old = {}; // Remember the old values, and insert the new ones for ( var name in options ) { old[ name ] = elem.style[ name ]; elem.style[ name ] = options[ name ]; } callback.call( elem ); // Revert the old values for ( name in options ) { elem.style[ name ] = old[ name ]; } }, camelCase: function( string ) { return string.replace( rdashAlpha, fcamelCase ); } }); // DEPRECATED, Use jQuery.css() instead jQuery.curCSS = jQuery.css; jQuery.each(["height", "width"], function( i, name ) { jQuery.cssHooks[ name ] = { get: function( elem, computed, extra ) { var val; if ( computed ) { if ( elem.offsetWidth !== 0 ) { val = getWH( elem, name, extra ); } else { jQuery.swap( elem, cssShow, function() { val = getWH( elem, name, extra ); }); } if ( val <= 0 ) { val = curCSS( elem, name, name ); if ( val === "0px" && currentStyle ) { val = currentStyle( elem, name, name ); } if ( val != null ) { // Should return "auto" instead of 0, use 0 for // temporary backwards-compat return val === "" || val === "auto" ? "0px" : val; } } if ( val < 0 || val == null ) { val = elem.style[ name ]; // Should return "auto" instead of 0, use 0 for // temporary backwards-compat return val === "" || val === "auto" ? "0px" : val; } return typeof val === "string" ? val : val + "px"; } }, set: function( elem, value ) { if ( rnumpx.test( value ) ) { // ignore negative width and height values #1599 value = parseFloat(value); if ( value >= 0 ) { return value + "px"; } } else { return value; } } }; }); if ( !jQuery.support.opacity ) { jQuery.cssHooks.opacity = { get: function( elem, computed ) { // IE uses filters for opacity return ropacity.test((computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "") ? (parseFloat(RegExp.$1) / 100) + "" : computed ? "1" : ""; }, set: function( elem, value ) { var style = elem.style; // IE has trouble with opacity if it does not have layout // Force it by setting the zoom level style.zoom = 1; // Set the alpha filter to set the opacity var opacity = jQuery.isNaN(value) ? "" : "alpha(opacity=" + value * 100 + ")", filter = style.filter || ""; style.filter = ralpha.test(filter) ? filter.replace(ralpha, opacity) : style.filter + ‘ ‘ + opacity; } }; } if ( document.defaultView && document.defaultView.getComputedStyle ) { getComputedStyle = function( elem, newName, name ) { var ret, defaultView, computedStyle; name = name.replace( rupper, "-$1" ).toLowerCase(); if ( !(defaultView = elem.ownerDocument.defaultView) ) { return undefined; } if ( (computedStyle = defaultView.getComputedStyle( elem, null )) ) { ret = computedStyle.getPropertyValue( name ); if ( ret === "" && !jQuery.contains( elem.ownerDocument.documentElement, elem ) ) { ret = jQuery.style( elem, name ); } } return ret; }; } if ( document.documentElement.currentStyle ) { currentStyle = function( elem, name ) { var left, ret = elem.currentStyle && elem.currentStyle[ name ], rsLeft = elem.runtimeStyle && elem.runtimeStyle[ name ], style = elem.style; // From the awesome hack by Dean Edwards // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291 // If we‘re not dealing with a regular pixel number // but a number that has a weird ending, we need to convert it to pixels if ( !rnumpx.test( ret ) && rnum.test( ret ) ) { // Remember the original values left = style.left; // Put in the new values to get a computed value out if ( rsLeft ) { elem.runtimeStyle.left = elem.currentStyle.left; } style.left = name === "fontSize" ? "1em" : (ret || 0); ret = style.pixelLeft + "px"; // Revert the changed values style.left = left; if ( rsLeft ) { elem.runtimeStyle.left = rsLeft; } } return ret === "" ? "auto" : ret; }; } curCSS = getComputedStyle || currentStyle; function getWH( elem, name, extra ) { var which = name === "width" ? cssWidth : cssHeight, val = name === "width" ? elem.offsetWidth : elem.offsetHeight; if ( extra === "border" ) { return val; } jQuery.each( which, function() { if ( !extra ) { val -= parseFloat(jQuery.css( elem, "padding" + this )) || 0; } if ( extra === "margin" ) { val += parseFloat(jQuery.css( elem, "margin" + this )) || 0; } else { val -= parseFloat(jQuery.css( elem, "border" + this + "Width" )) || 0; } }); return val; } if ( jQuery.expr && jQuery.expr.filters ) { jQuery.expr.filters.hidden = function( elem ) { var width = elem.offsetWidth, height = elem.offsetHeight; return (width === 0 && height === 0) || (!jQuery.support.reliableHiddenOffsets && (elem.style.display || jQuery.css( elem, "display" )) === "none"); }; jQuery.expr.filters.visible = function( elem ) { return !jQuery.expr.filters.hidden( elem ); }; } var r20 = /%20/g, rbracket = /\[\]$/, rCRLF = /\r?\n/g, rhash = /#.*$/, rheaders = /^(.*?):\s*(.*?)\r?$/mg, // IE leaves an \r character at EOL rinput = /^(?:color|date|datetime|email|hidden|month|number|password|range|search|tel|text|time|url|week)$/i, rnoContent = /^(?:GET|HEAD)$/, rprotocol = /^\/\//, rquery = /\?/, rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi, rselectTextarea = /^(?:select|textarea)/i, rspacesAjax = /\s+/, rts = /([?&])_=[^&]*/, rurl = /^(\w+:)\/\/([^\/?#:]+)(?::(\d+))?/, // Keep a copy of the old load method _load = jQuery.fn.load, /* Prefilters * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example) * 2) These are called: * - BEFORE asking for a transport * - AFTER param serialization (s.data is a string if s.processData is true) * 3) key is the dataType * 4) the catchall symbol "*" can be used * 5) execution will start with transport dataType and THEN continue down to "*" if needed */ prefilters = {}, /* Transports bindings * 1) key is the dataType * 2) the catchall symbol "*" can be used * 3) selection will start with transport dataType and THEN go to "*" if needed */ transports = {}; // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport function addToPrefiltersOrTransports( structure ) { // dataTypeExpression is optional and defaults to "*" return function( dataTypeExpression, func ) { if ( typeof dataTypeExpression !== "string" ) { func = dataTypeExpression; dataTypeExpression = "*"; } if ( jQuery.isFunction( func ) ) { var dataTypes = dataTypeExpression.toLowerCase().split( rspacesAjax ), i = 0, length = dataTypes.length, dataType, list, placeBefore; // For each dataType in the dataTypeExpression for(; i < length; i++ ) { dataType = dataTypes[ i ]; // We control if we‘re asked to add before // any existing element placeBefore = /^\+/.test( dataType ); if ( placeBefore ) { dataType = dataType.substr( 1 ) || "*"; } list = structure[ dataType ] = structure[ dataType ] || []; // then we add to the structure accordingly list[ placeBefore ? "unshift" : "push" ]( func ); } } }; } //Base inspection function for prefilters and transports function inspectPrefiltersOrTransports( structure, options, originalOptions, jXHR, dataType /* internal */, inspected /* internal */ ) { dataType = dataType || options.dataTypes[ 0 ]; inspected = inspected || {}; inspected[ dataType ] = true; var list = structure[ dataType ], i = 0, length = list ? list.length : 0, executeOnly = ( structure === prefilters ), selection; for(; i < length && ( executeOnly || !selection ); i++ ) { selection = list[ i ]( options, originalOptions, jXHR ); // If we got redirected to another dataType // we try there if not done already if ( typeof selection === "string" ) { if ( inspected[ selection ] ) { selection = undefined; } else { options.dataTypes.unshift( selection ); selection = inspectPrefiltersOrTransports( structure, options, originalOptions, jXHR, selection, inspected ); } } } // If we‘re only executing or nothing was selected // we try the catchall dataType if not done already if ( ( executeOnly || !selection ) && !inspected[ "*" ] ) { selection = inspectPrefiltersOrTransports( structure, options, originalOptions, jXHR, "*", inspected ); } // unnecessary when only executing (prefilters) // but it‘ll be ignored by the caller in that case return selection; } jQuery.fn.extend({ load: function( url, params, callback ) { if ( typeof url !== "string" && _load ) { return _load.apply( this, arguments ); // Don‘t do a request if no elements are being requested } else if ( !this.length ) { return this; } var off = url.indexOf( " " ); if ( off >= 0 ) { var selector = url.slice( off, url.length ); url = url.slice( 0, off ); } // Default to a GET request var type = "GET"; // If the second parameter was provided if ( params ) { // If it‘s a function if ( jQuery.isFunction( params ) ) { // We assume that it‘s the callback callback = params; params = null; // Otherwise, build a param string } else if ( typeof params === "object" ) { params = jQuery.param( params, jQuery.ajaxSettings.traditional ); type = "POST"; } } var self = this; // Request the remote document jQuery.ajax({ url: url, type: type, dataType: "html", data: params, // Complete callback (responseText is used internally) complete: function( jXHR, status, responseText ) { // Store the response as specified by the jXHR object responseText = jXHR.responseText; // If successful, inject the HTML into all the matched elements if ( jXHR.isResolved() ) { // #4825: Get the actual response in case // a dataFilter is present in ajaxSettings jXHR.done(function( r ) { responseText = r; }); // See if a selector was specified self.html( selector ? // Create a dummy div to hold the results jQuery("<div>") // inject the contents of the document in, removing the scripts // to avoid any ‘Permission Denied‘ errors in IE .append(responseText.replace(rscript, "")) // Locate the specified elements .find(selector) : // If not, just inject the full result responseText ); } if ( callback ) { self.each( callback, [ responseText, status, jXHR ] ); } } }); return this; }, serialize: function() { return jQuery.param( this.serializeArray() ); }, serializeArray: function() { return this.map(function(){ return this.elements ? jQuery.makeArray( this.elements ) : this; }) .filter(function(){ return this.name && !this.disabled && ( this.checked || rselectTextarea.test( this.nodeName ) || rinput.test( this.type ) ); }) .map(function( i, elem ){ var val = jQuery( this ).val(); return val == null ? null : jQuery.isArray( val ) ? jQuery.map( val, function( val, i ){ return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; }) : { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; }).get(); } }); // Attach a bunch of functions for handling common AJAX events jQuery.each( "ajaxStart ajaxStop ajaxComplete ajaxError ajaxSuccess ajaxSend".split( " " ), function( i, o ){ jQuery.fn[ o ] = function( f ){ return this.bind( o, f ); }; } ); jQuery.each( [ "get", "post" ], function( i, method ) { jQuery[ method ] = function( url, data, callback, type ) { // shift arguments if data argument was omitted if ( jQuery.isFunction( data ) ) { type = type || callback; callback = data; data = null; } return jQuery.ajax({ type: method, url: url, data: data, success: callback, dataType: type }); }; } ); jQuery.extend({ getScript: function( url, callback ) { return jQuery.get( url, null, callback, "script" ); }, getJSON: function( url, data, callback ) { return jQuery.get( url, data, callback, "json" ); }, ajaxSetup: function( settings ) { jQuery.extend( true, jQuery.ajaxSettings, settings ); if ( settings.context ) { jQuery.ajaxSettings.context = settings.context; } }, ajaxSettings: { url: location.href, global: true, type: "GET", contentType: "application/x-www-form-urlencoded", processData: true, async: true, /* timeout: 0, data: null, dataType: null, username: null, password: null, cache: null, traditional: false, headers: {}, crossDomain: null, */ accepts: { xml: "application/xml, text/xml", html: "text/html", text: "text/plain", json: "application/json, text/javascript", "*": "*/*" }, contents: { xml: /xml/, html: /html/, json: /json/ }, responseFields: { xml: "responseXML", text: "responseText" }, // List of data converters // 1) key format is "source_type destination_type" (a single space in-between) // 2) the catchall symbol "*" can be used for source_type converters: { // Convert anything to text "* text": window.String, // Text to html (true = no transformation) "text html": true, // Evaluate text as a json expression "text json": jQuery.parseJSON, // Parse text as xml "text xml": jQuery.parseXML } }, ajaxPrefilter: addToPrefiltersOrTransports( prefilters ), ajaxTransport: addToPrefiltersOrTransports( transports ), // Main method ajax: function( url, options ) { // If options is not an object, // we simulate pre-1.5 signature if ( typeof options !== "object" ) { options = url; url = undefined; } // Force options to be an object options = options || {}; var // Create the final options object s = jQuery.extend( true, {}, jQuery.ajaxSettings, options ), // Callbacks contexts // We force the original context if it exists // or take it from jQuery.ajaxSettings otherwise // (plain objects used as context get extended) callbackContext = ( s.context = ( "context" in options ? options : jQuery.ajaxSettings ).context ) || s, globalEventContext = callbackContext === s ? jQuery.event : jQuery( callbackContext ), // Deferreds deferred = jQuery.Deferred(), completeDeferred = jQuery._Deferred(), // Status-dependent callbacks statusCode = s.statusCode || {}, // Headers (they are sent all at once) requestHeaders = {}, // Response headers responseHeadersString, responseHeaders, // transport transport, // timeout handle timeoutTimer, // Cross-domain detection vars loc = document.location, protocol = loc.protocol || "http:", parts, // The jXHR state state = 0, // Loop variable i, // Fake xhr jXHR = { readyState: 0, // Caches the header setRequestHeader: function( name, value ) { if ( state === 0 ) { requestHeaders[ name.toLowerCase() ] = value; } return this; }, // Raw string getAllResponseHeaders: function() { return state === 2 ? responseHeadersString : null; }, // Builds headers hashtable if needed getResponseHeader: function( key ) { var match; if ( state === 2 ) { if ( !responseHeaders ) { responseHeaders = {}; while( ( match = rheaders.exec( responseHeadersString ) ) ) { responseHeaders[ match[1].toLowerCase() ] = match[ 2 ]; } } match = responseHeaders[ key.toLowerCase() ]; } return match || null; }, // Cancel the request abort: function( statusText ) { statusText = statusText || "abort"; if ( transport ) { transport.abort( statusText ); } done( 0, statusText ); return this; } }; // Callback for when everything is done // It is defined here because jslint complains if it is declared // at the end of the function (which would be more logical and readable) function done( status, statusText, responses, headers) { // Called once if ( state === 2 ) { return; } // State is "done" now state = 2; // Clear timeout if it exists if ( timeoutTimer ) { clearTimeout( timeoutTimer ); } // Dereference transport for early garbage collection // (no matter how long the jXHR object will be used) transport = undefined; // Cache response headers responseHeadersString = headers || ""; // Set readyState jXHR.readyState = status ? 4 : 0; var isSuccess, success, error, response = responses ? ajaxHandleResponses( s, jXHR, responses ) : undefined, lastModified, etag; // If successful, handle type chaining if ( status >= 200 && status < 300 || status === 304 ) { // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. if ( s.ifModified ) { if ( ( lastModified = jXHR.getResponseHeader( "Last-Modified" ) ) ) { jQuery.lastModified[ s.url ] = lastModified; } if ( ( etag = jXHR.getResponseHeader( "Etag" ) ) ) { jQuery.etag[ s.url ] = etag; } } // If not modified if ( status === 304 ) { statusText = "notmodified"; isSuccess = true; // If we have data } else { try { success = ajaxConvert( s, response ); statusText = "success"; isSuccess = true; } catch(e) { // We have a parsererror statusText = "parsererror"; error = e; } } } else { // We extract error from statusText // then normalize statusText and status for non-aborts error = statusText; if( status ) { statusText = "error"; if ( status < 0 ) { status = 0; } } } // Set data for the fake xhr object jXHR.status = status; jXHR.statusText = statusText; // Success/Error if ( isSuccess ) { deferred.resolveWith( callbackContext, [ success, statusText, jXHR ] ); } else { deferred.rejectWith( callbackContext, [ jXHR, statusText, error ] ); } // Status-dependent callbacks jXHR.statusCode( statusCode ); statusCode = undefined; if ( s.global ) { globalEventContext.trigger( "ajax" + ( isSuccess ? "Success" : "Error" ), [ jXHR, s, isSuccess ? success : error ] ); } // Complete completeDeferred.resolveWith( callbackContext, [ jXHR, statusText ] ); if ( s.global ) { globalEventContext.trigger( "ajaxComplete", [ jXHR, s] ); // Handle the global AJAX counter if ( !( --jQuery.active ) ) { jQuery.event.trigger( "ajaxStop" ); } } } // Attach deferreds deferred.promise( jXHR ); jXHR.success = jXHR.done; jXHR.error = jXHR.fail; jXHR.complete = completeDeferred.done; // Status-dependent callbacks jXHR.statusCode = function( map ) { if ( map ) { var tmp; if ( state < 2 ) { for( tmp in map ) { statusCode[ tmp ] = [ statusCode[tmp], map[tmp] ]; } } else { tmp = map[ jXHR.status ]; jXHR.then( tmp, tmp ); } } return this; }; // Remove hash character (#7531: and string promotion) // Add protocol if not provided (#5866: IE7 issue with protocol-less urls) // We also use the url parameter if available s.url = ( "" + ( url || s.url ) ).replace( rhash, "" ).replace( rprotocol, protocol + "//" ); // Extract dataTypes list s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().split( rspacesAjax ); // Determine if a cross-domain request is in order if ( !s.crossDomain ) { parts = rurl.exec( s.url.toLowerCase() ); s.crossDomain = !!( parts && ( parts[ 1 ] != protocol || parts[ 2 ] != loc.hostname || ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? 80 : 443 ) ) != ( loc.port || ( protocol === "http:" ? 80 : 443 ) ) ) ); } // Convert data if not already a string if ( s.data && s.processData && typeof s.data !== "string" ) { s.data = jQuery.param( s.data, s.traditional ); } // Apply prefilters inspectPrefiltersOrTransports( prefilters, s, options, jXHR ); // Uppercase the type s.type = s.type.toUpperCase(); // Determine if request has content s.hasContent = !rnoContent.test( s.type ); // Watch for a new set of requests if ( s.global && jQuery.active++ === 0 ) { jQuery.event.trigger( "ajaxStart" ); } // More options handling for requests with no content if ( !s.hasContent ) { // If data is available, append data to url if ( s.data ) { s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.data; } // Add anti-cache in url if needed if ( s.cache === false ) { var ts = jQuery.now(), // try replacing _= if it is there ret = s.url.replace( rts, "$1_=" + ts ); // if nothing was replaced, add timestamp to the end s.url = ret + ( (ret === s.url ) ? ( rquery.test( s.url ) ? "&" : "?" ) + "_=" + ts : "" ); } } // Set the correct header, if data is being sent if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) { requestHeaders[ "content-type" ] = s.contentType; } // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. if ( s.ifModified ) { if ( jQuery.lastModified[ s.url ] ) { requestHeaders[ "if-modified-since" ] = jQuery.lastModified[ s.url ]; } if ( jQuery.etag[ s.url ] ) { requestHeaders[ "if-none-match" ] = jQuery.etag[ s.url ]; } } // Set the Accepts header for the server, depending on the dataType requestHeaders.accept = s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ? s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", */*; q=0.01" : "" ) : s.accepts[ "*" ]; // Check for headers option for ( i in s.headers ) { requestHeaders[ i.toLowerCase() ] = s.headers[ i ]; } // Allow custom headers/mimetypes and early abort if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jXHR, s ) === false || state === 2 ) ) { // Abort if not done already done( 0, "abort" ); // Return false jXHR = false; } else { // Install callbacks on deferreds for ( i in { success: 1, error: 1, complete: 1 } ) { jXHR[ i ]( s[ i ] ); } // Get transport transport = inspectPrefiltersOrTransports( transports, s, options, jXHR ); // If no transport, we auto-abort if ( !transport ) { done( -1, "No Transport" ); } else { // Set state as sending state = jXHR.readyState = 1; // Send global event if ( s.global ) { globalEventContext.trigger( "ajaxSend", [ jXHR, s ] ); } // Timeout if ( s.async && s.timeout > 0 ) { timeoutTimer = setTimeout( function(){ jXHR.abort( "timeout" ); }, s.timeout ); } try { transport.send( requestHeaders, done ); } catch (e) { // Propagate exception as error if not done if ( status < 2 ) { done( -1, e ); // Simply rethrow otherwise } else { jQuery.error( e ); } } } } return jXHR; }, // Serialize an array of form elements or a set of // key/values into a query string param: function( a, traditional ) { var s = [], add = function( key, value ) { // If value is a function, invoke it and return its value value = jQuery.isFunction( value ) ? value() : value; s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value ); }; // Set traditional to true for jQuery <= 1.3.2 behavior. if ( traditional === undefined ) { traditional = jQuery.ajaxSettings.traditional; } // If an array was passed in, assume that it is an array of form elements. if ( jQuery.isArray( a ) || a.jquery ) { // Serialize the form elements jQuery.each( a, function() { add( this.name, this.value ); } ); } else { // If traditional, encode the "old" way (the way 1.3.2 or older // did it), otherwise encode params recursively. for ( var prefix in a ) { buildParams( prefix, a[ prefix ], traditional, add ); } } // Return the resulting serialization return s.join( "&" ).replace( r20, "+" ); } }); function buildParams( prefix, obj, traditional, add ) { if ( jQuery.isArray( obj ) && obj.length ) { // Serialize array item. jQuery.each( obj, function( i, v ) { if ( traditional || rbracket.test( prefix ) ) { // Treat each array item as a scalar. add( prefix, v ); } else { // If array item is non-scalar (array or object), encode its // numeric index to resolve deserialization ambiguity issues. // Note that rack (as of 1.0.0) can‘t currently deserialize // nested arrays properly, and attempting to do so may cause // a server error. Possible fixes are to modify rack‘s // deserialization algorithm or to provide an option or flag // to force array serialization to be shallow. buildParams( prefix + "[" + ( typeof v === "object" || jQuery.isArray(v) ? i : "" ) + "]", v, traditional, add ); } }); } else if ( !traditional && obj != null && typeof obj === "object" ) { // If we see an array here, it is empty and should be treated as an empty // object if ( jQuery.isArray( obj ) || jQuery.isEmptyObject( obj ) ) { add( prefix, "" ); // Serialize object item. } else { jQuery.each( obj, function( k, v ) { buildParams( prefix + "[" + k + "]", v, traditional, add ); }); } } else { // Serialize scalar item. add( prefix, obj ); } } // This is still on the jQuery object... for now // Want to move this to jQuery.ajax some day jQuery.extend({ // Counter for holding the number of active queries active: 0, // Last-Modified header cache for next request lastModified: {}, etag: {} }); /* Handles responses to an ajax request: * - sets all responseXXX fields accordingly * - finds the right dataType (mediates between content-type and expected dataType) * - returns the corresponding response */ function ajaxHandleResponses( s, jXHR, responses ) { var contents = s.contents, dataTypes = s.dataTypes, responseFields = s.responseFields, ct, type, finalDataType, firstDataType; // Fill responseXXX fields for( type in responseFields ) { if ( type in responses ) { jXHR[ responseFields[type] ] = responses[ type ]; } } // Remove auto dataType and get content-type in the process while( dataTypes[ 0 ] === "*" ) { dataTypes.shift(); if ( ct === undefined ) { ct = jXHR.getResponseHeader( "content-type" ); } } // Check if we‘re dealing with a known content-type if ( ct ) { for ( type in contents ) { if ( contents[ type ] && contents[ type ].test( ct ) ) { dataTypes.unshift( type ); break; } } } // Check to see if we have a response for the expected dataType if ( dataTypes[ 0 ] in responses ) { finalDataType = dataTypes[ 0 ]; } else { // Try convertible dataTypes for ( type in responses ) { if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) { finalDataType = type; break; } if ( !firstDataType ) { firstDataType = type; } } // Or just use first one finalDataType = finalDataType || firstDataType; } // If we found a dataType // We add the dataType to the list if needed // and return the corresponding response if ( finalDataType ) { if ( finalDataType !== dataTypes[ 0 ] ) { dataTypes.unshift( finalDataType ); } return responses[ finalDataType ]; } } // Chain conversions given the request and the original response function ajaxConvert( s, response ) { // Apply the dataFilter if provided if ( s.dataFilter ) { response = s.dataFilter( response, s.dataType ); } var dataTypes = s.dataTypes, converters = s.converters, i, length = dataTypes.length, tmp, // Current and previous dataTypes current = dataTypes[ 0 ], prev, // Conversion expression conversion, // Conversion function conv, // Conversion functions (transitive conversion) conv1, conv2; // For each dataType in the chain for( i = 1; i < length; i++ ) { // Get the dataTypes prev = current; current = dataTypes[ i ]; // If current is auto dataType, update it to prev if( current === "*" ) { current = prev; // If no auto and dataTypes are actually different } else if ( prev !== "*" && prev !== current ) { // Get the converter conversion = prev + " " + current; conv = converters[ conversion ] || converters[ "* " + current ]; // If there is no direct converter, search transitively if ( !conv ) { conv2 = undefined; for( conv1 in converters ) { tmp = conv1.split( " " ); if ( tmp[ 0 ] === prev || tmp[ 0 ] === "*" ) { conv2 = converters[ tmp[1] + " " + current ]; if ( conv2 ) { conv1 = converters[ conv1 ]; if ( conv1 === true ) { conv = conv2; } else if ( conv2 === true ) { conv = conv1; } break; } } } } // If we found no converter, dispatch an error if ( !( conv || conv2 ) ) { jQuery.error( "No conversion from " + conversion.replace(" "," to ") ); } // If found converter is not an equivalence if ( conv !== true ) { // Convert with 1 or 2 converters accordingly response = conv ? conv( response ) : conv2( conv1(response) ); } } } return response; } var jsc = jQuery.now(), jsre = /(\=)\?(&|$)|()\?\?()/i; // Default jsonp settings jQuery.ajaxSetup({ jsonp: "callback", jsonpCallback: function() { return jQuery.expando + "_" + ( jsc++ ); } }); // Detect, normalize options and install callbacks for jsonp requests jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, dataIsString /* internal */ ) { dataIsString = ( typeof s.data === "string" ); if ( s.dataTypes[ 0 ] === "jsonp" || originalSettings.jsonpCallback || originalSettings.jsonp != null || s.jsonp !== false && ( jsre.test( s.url ) || dataIsString && jsre.test( s.data ) ) ) { var responseContainer, jsonpCallback = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ? s.jsonpCallback() : s.jsonpCallback, previous = window[ jsonpCallback ], url = s.url, data = s.data, replace = "$1" + jsonpCallback + "$2"; if ( s.jsonp !== false ) { url = url.replace( jsre, replace ); if ( s.url === url ) { if ( dataIsString ) { data = data.replace( jsre, replace ); } if ( s.data === data ) { // Add callback manually url += (/\?/.test( url ) ? "&" : "?") + s.jsonp + "=" + jsonpCallback; } } } s.url = url; s.data = data; window[ jsonpCallback ] = function( response ) { responseContainer = [ response ]; }; s.complete = [ function() { // Set callback back to previous value window[ jsonpCallback ] = previous; // Call if it was a function and we have a response if ( previous) { if ( responseContainer && jQuery.isFunction( previous ) ) { window[ jsonpCallback ] ( responseContainer[ 0 ] ); } } else { // else, more memory leak avoidance try{ delete window[ jsonpCallback ]; } catch( e ) {} } }, s.complete ]; // Use data converter to retrieve json after script execution s.converters["script json"] = function() { if ( ! responseContainer ) { jQuery.error( jsonpCallback + " was not called" ); } return responseContainer[ 0 ]; }; // force json dataType s.dataTypes[ 0 ] = "json"; // Delegate to script return "script"; } } ); // Install script dataType jQuery.ajaxSetup({ accepts: { script: "text/javascript, application/javascript" }, contents: { script: /javascript/ }, converters: { "text script": function( text ) { jQuery.globalEval( text ); return text; } } }); // Handle cache‘s special case and global jQuery.ajaxPrefilter( "script", function( s ) { if ( s.cache === undefined ) { s.cache = false; } if ( s.crossDomain ) { s.type = "GET"; s.global = false; } } ); // Bind script tag hack transport jQuery.ajaxTransport( "script", function(s) { // This transport only deals with cross domain requests if ( s.crossDomain ) { var script, head = document.getElementsByTagName( "head" )[ 0 ] || document.documentElement; return { send: function( _, callback ) { script = document.createElement( "script" ); script.async = "async"; if ( s.scriptCharset ) { script.charset = s.scriptCharset; } script.src = s.url; // Attach handlers for all browsers script.onload = script.onreadystatechange = function( _, isAbort ) { if ( !script.readyState || /loaded|complete/.test( script.readyState ) ) { // Handle memory leak in IE script.onload = script.onreadystatechange = null; // Remove the script if ( head && script.parentNode ) { head.removeChild( script ); } // Dereference the script script = undefined; // Callback if not abort if ( !isAbort ) { callback( 200, "success" ); } } }; // Use insertBefore instead of appendChild to circumvent an IE6 bug. // This arises when a base node is used (#2709 and #4378). head.insertBefore( script, head.firstChild ); }, abort: function() { if ( script ) { script.onload( 0, 1 ); } } }; } } ); var // Next active xhr id xhrId = jQuery.now(), // active xhrs xhrs = {}, // #5280: see below xhrUnloadAbortInstalled, // XHR used to determine supports properties testXHR; // Create the request object // (This is still attached to ajaxSettings for backward compatibility) jQuery.ajaxSettings.xhr = window.ActiveXObject ? /* Microsoft failed to properly * implement the XMLHttpRequest in IE7 (can‘t request local files), * so we use the ActiveXObject when it is available * Additionally XMLHttpRequest can be disabled in IE7/IE8 so * we need a fallback. */ function() { if ( window.location.protocol !== "file:" ) { try { return new window.XMLHttpRequest(); } catch( xhrError ) {} } try { return new window.ActiveXObject("Microsoft.XMLHTTP"); } catch( activeError ) {} } : // For all other browsers, use the standard XMLHttpRequest object function() { return new window.XMLHttpRequest(); }; // Test if we can create an xhr object try { testXHR = jQuery.ajaxSettings.xhr(); } catch( xhrCreationException ) {} //Does this browser support XHR requests? jQuery.support.ajax = !!testXHR; // Does this browser support crossDomain XHR requests jQuery.support.cors = testXHR && ( "withCredentials" in testXHR ); // No need for the temporary xhr anymore testXHR = undefined; // Create transport if the browser can provide an xhr if ( jQuery.support.ajax ) { jQuery.ajaxTransport(function( s ) { // Cross domain only allowed if supported through XMLHttpRequest if ( !s.crossDomain || jQuery.support.cors ) { var callback; return { send: function( headers, complete ) { // #5280: we need to abort on unload or IE will keep connections alive if ( !xhrUnloadAbortInstalled ) { xhrUnloadAbortInstalled = 1; jQuery(window).bind( "unload", function() { // Abort all pending requests jQuery.each( xhrs, function( _, xhr ) { if ( xhr.onreadystatechange ) { xhr.onreadystatechange( 1 ); } } ); } ); } // Get a new xhr var xhr = s.xhr(), handle; // Open the socket // Passing null username, generates a login popup on Opera (#2865) if ( s.username ) { xhr.open( s.type, s.url, s.async, s.username, s.password ); } else { xhr.open( s.type, s.url, s.async ); } // Requested-With header // Not set for crossDomain requests with no content // (see why at http://trac.dojotoolkit.org/ticket/9486) // Won‘t change header if already provided if ( !( s.crossDomain && !s.hasContent ) && !headers["x-requested-with"] ) { headers[ "x-requested-with" ] = "XMLHttpRequest"; } // Need an extra try/catch for cross domain requests in Firefox 3 try { jQuery.each( headers, function( key, value ) { xhr.setRequestHeader( key, value ); } ); } catch( _ ) {} // Do send the request // This may raise an exception which is actually // handled in jQuery.ajax (so no try/catch here) xhr.send( ( s.hasContent && s.data ) || null ); // Listener callback = function( _, isAbort ) { // Was never called and is aborted or complete if ( callback && ( isAbort || xhr.readyState === 4 ) ) { // Only called once callback = 0; // Do not keep as active anymore if ( handle ) { xhr.onreadystatechange = jQuery.noop; delete xhrs[ handle ]; } // If it‘s an abort if ( isAbort ) { // Abort it manually if needed if ( xhr.readyState !== 4 ) { xhr.abort(); } } else { // Get info var status = xhr.status, statusText, responseHeaders = xhr.getAllResponseHeaders(), responses = {}, xml = xhr.responseXML; // Construct response list if ( xml && xml.documentElement /* #4958 */ ) { responses.xml = xml; } responses.text = xhr.responseText; // Firefox throws an exception when accessing // statusText for faulty cross-domain requests try { statusText = xhr.statusText; } catch( e ) { // We normalize with Webkit giving an empty statusText statusText = ""; } // Filter status for non standard behaviours status = // Opera returns 0 when it should be 304 // Webkit returns 0 for failing cross-domain no matter the real status status === 0 ? ( // Webkit, Firefox: filter out faulty cross-domain requests !s.crossDomain || statusText ? ( // Opera: filter out real aborts #6060 responseHeaders ? 304 : 0 ) : // We assume 302 but could be anything cross-domain related 302 ) : ( // IE sometimes returns 1223 when it should be 204 (see #1450) status == 1223 ? 204 : status ); // Call complete complete( status, statusText, responses, responseHeaders ); } } }; // if we‘re in sync mode or it‘s in cache // and has been retrieved directly (IE6 & IE7) // we need to manually fire the callback if ( !s.async || xhr.readyState === 4 ) { callback(); } else { // Add to list of active xhrs handle = xhrId++; xhrs[ handle ] = xhr; xhr.onreadystatechange = callback; } }, abort: function() { if ( callback ) { callback(0,1); } } }; } }); } var elemdisplay = {}, rfxtypes = /^(?:toggle|show|hide)$/, rfxnum = /^([+\-]=)?([\d+.\-]+)([a-z%]*)$/i, timerId, fxAttrs = [ // height animations [ "height", "marginTop", "marginBottom", "paddingTop", "paddingBottom" ], // width animations [ "width", "marginLeft", "marginRight", "paddingLeft", "paddingRight" ], // opacity animations [ "opacity" ] ]; jQuery.fn.extend({ show: function( speed, easing, callback ) { var elem, display; if ( speed || speed === 0 ) { return this.animate( genFx("show", 3), speed, easing, callback); } else { for ( var i = 0, j = this.length; i < j; i++ ) { elem = this[i]; display = elem.style.display; // Reset the inline display of this element to learn if it is // being hidden by cascaded rules or not if ( !jQuery._data(elem, "olddisplay") && display === "none" ) { display = elem.style.display = ""; } // Set elements which have been overridden with display: none // in a stylesheet to whatever the default browser style is // for such an element if ( display === "" && jQuery.css( elem, "display" ) === "none" ) { jQuery._data(elem, "olddisplay", defaultDisplay(elem.nodeName)); } } // Set the display of most of the elements in a second loop // to avoid the constant reflow for ( i = 0; i < j; i++ ) { elem = this[i]; display = elem.style.display; if ( display === "" || display === "none" ) { elem.style.display = jQuery._data(elem, "olddisplay") || ""; } } return this; } }, hide: function( speed, easing, callback ) { if ( speed || speed === 0 ) { return this.animate( genFx("hide", 3), speed, easing, callback); } else { for ( var i = 0, j = this.length; i < j; i++ ) { var display = jQuery.css( this[i], "display" ); if ( display !== "none" && !jQuery._data( this[i], "olddisplay" ) ) { jQuery._data( this[i], "olddisplay", display ); } } // Set the display of the elements in a second loop // to avoid the constant reflow for ( i = 0; i < j; i++ ) { this[i].style.display = "none"; } return this; } }, // Save the old toggle function _toggle: jQuery.fn.toggle, toggle: function( fn, fn2, callback ) { var bool = typeof fn === "boolean"; if ( jQuery.isFunction(fn) && jQuery.isFunction(fn2) ) { this._toggle.apply( this, arguments ); } else if ( fn == null || bool ) { this.each(function() { var state = bool ? fn : jQuery(this).is(":hidden"); jQuery(this)[ state ? "show" : "hide" ](); }); } else { this.animate(genFx("toggle", 3), fn, fn2, callback); } return this; }, fadeTo: function( speed, to, easing, callback ) { return this.filter(":hidden").css("opacity", 0).show().end() .animate({opacity: to}, speed, easing, callback); }, animate: function( prop, speed, easing, callback ) { var optall = jQuery.speed(speed, easing, callback); if ( jQuery.isEmptyObject( prop ) ) { return this.each( optall.complete ); } return this[ optall.queue === false ? "each" : "queue" ](function() { // XXX ‘this‘ does not always have a nodeName when running the // test suite var opt = jQuery.extend({}, optall), p, isElement = this.nodeType === 1, hidden = isElement && jQuery(this).is(":hidden"), self = this; for ( p in prop ) { var name = jQuery.camelCase( p ); if ( p !== name ) { prop[ name ] = prop[ p ]; delete prop[ p ]; p = name; } if ( prop[p] === "hide" && hidden || prop[p] === "show" && !hidden ) { return opt.complete.call(this); } if ( isElement && ( p === "height" || p === "width" ) ) { // Make sure that nothing sneaks out // Record all 3 overflow attributes because IE does not // change the overflow attribute when overflowX and // overflowY are set to the same value opt.overflow = [ this.style.overflow, this.style.overflowX, this.style.overflowY ]; // Set display property to inline-block for height/width // animations on inline elements that are having width/height // animated if ( jQuery.css( this, "display" ) === "inline" && jQuery.css( this, "float" ) === "none" ) { if ( !jQuery.support.inlineBlockNeedsLayout ) { this.style.display = "inline-block"; } else { var display = defaultDisplay(this.nodeName); // inline-level elements accept inline-block; // block-level elements need to be inline with layout if ( display === "inline" ) { this.style.display = "inline-block"; } else { this.style.display = "inline"; this.style.zoom = 1; } } } } if ( jQuery.isArray( prop[p] ) ) { // Create (if needed) and add to specialEasing (opt.specialEasing = opt.specialEasing || {})[p] = prop[p][1]; prop[p] = prop[p][0]; } } if ( opt.overflow != null ) { this.style.overflow = "hidden"; } opt.curAnim = jQuery.extend({}, prop); jQuery.each( prop, function( name, val ) { var e = new jQuery.fx( self, opt, name ); if ( rfxtypes.test(val) ) { e[ val === "toggle" ? hidden ? "show" : "hide" : val ]( prop ); } else { var parts = rfxnum.exec(val), start = e.cur() || 0; if ( parts ) { var end = parseFloat( parts[2] ), unit = parts[3] || "px"; // We need to compute starting value if ( unit !== "px" ) { jQuery.style( self, name, (end || 1) + unit); start = ((end || 1) / e.cur()) * start; jQuery.style( self, name, start + unit); } // If a +=/-= token was provided, we‘re doing a relative animation if ( parts[1] ) { end = ((parts[1] === "-=" ? -1 : 1) * end) + start; } e.custom( start, end, unit ); } else { e.custom( start, val, "" ); } } }); // For JS strict compliance return true; }); }, stop: function( clearQueue, gotoEnd ) { var timers = jQuery.timers; if ( clearQueue ) { this.queue([]); } this.each(function() { // go in reverse order so anything added to the queue during the loop is ignored for ( var i = timers.length - 1; i >= 0; i-- ) { if ( timers[i].elem === this ) { if (gotoEnd) { // force the next step to be the last timers[i](true); } timers.splice(i, 1); } } }); // start the next in the queue if the last step wasn‘t forced if ( !gotoEnd ) { this.dequeue(); } return this; } }); function genFx( type, num ) { var obj = {}; jQuery.each( fxAttrs.concat.apply([], fxAttrs.slice(0,num)), function() { obj[ this ] = type; }); return obj; } // Generate shortcuts for custom animations jQuery.each({ slideDown: genFx("show", 1), slideUp: genFx("hide", 1), slideToggle: genFx("toggle", 1), fadeIn: { opacity: "show" }, fadeOut: { opacity: "hide" }, fadeToggle: { opacity: "toggle" } }, function( name, props ) { jQuery.fn[ name ] = function( speed, easing, callback ) { return this.animate( props, speed, easing, callback ); }; }); jQuery.extend({ speed: function( speed, easing, fn ) { var opt = speed && typeof speed === "object" ? jQuery.extend({}, speed) : { complete: fn || !fn && easing || jQuery.isFunction( speed ) && speed, duration: speed, easing: fn && easing || easing && !jQuery.isFunction(easing) && easing }; opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration : opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[opt.duration] : jQuery.fx.speeds._default; // Queueing opt.old = opt.complete; opt.complete = function() { if ( opt.queue !== false ) { jQuery(this).dequeue(); } if ( jQuery.isFunction( opt.old ) ) { opt.old.call( this ); } }; return opt; }, easing: { linear: function( p, n, firstNum, diff ) { return firstNum + diff * p; }, swing: function( p, n, firstNum, diff ) { return ((-Math.cos(p*Math.PI)/2) + 0.5) * diff + firstNum; } }, timers: [], fx: function( elem, options, prop ) { this.options = options; this.elem = elem; this.prop = prop; if ( !options.orig ) { options.orig = {}; } } }); jQuery.fx.prototype = { // Simple function for setting a style value update: function() { if ( this.options.step ) { this.options.step.call( this.elem, this.now, this ); } (jQuery.fx.step[this.prop] || jQuery.fx.step._default)( this ); }, // Get the current size cur: function() { if ( this.elem[this.prop] != null && (!this.elem.style || this.elem.style[this.prop] == null) ) { return this.elem[ this.prop ]; } var r = parseFloat( jQuery.css( this.elem, this.prop ) ); return r || 0; }, // Start an animation from one number to another custom: function( from, to, unit ) { var self = this, fx = jQuery.fx; this.startTime = jQuery.now(); this.start = from; this.end = to; this.unit = unit || this.unit || "px"; this.now = this.start; this.pos = this.state = 0; function t( gotoEnd ) { return self.step(gotoEnd); } t.elem = this.elem; if ( t() && jQuery.timers.push(t) && !timerId ) { timerId = setInterval(fx.tick, fx.interval); } }, // Simple ‘show‘ function show: function() { // Remember where we started, so that we can go back to it later this.options.orig[this.prop] = jQuery.style( this.elem, this.prop ); this.options.show = true; // Begin the animation // Make sure that we start at a small width/height to avoid any // flash of content this.custom(this.prop === "width" || this.prop === "height" ? 1 : 0, this.cur()); // Start by showing the element jQuery( this.elem ).show(); }, // Simple ‘hide‘ function hide: function() { // Remember where we started, so that we can go back to it later this.options.orig[this.prop] = jQuery.style( this.elem, this.prop ); this.options.hide = true; // Begin the animation this.custom(this.cur(), 0); }, // Each step of an animation step: function( gotoEnd ) { var t = jQuery.now(), done = true; if ( gotoEnd || t >= this.options.duration + this.startTime ) { this.now = this.end; this.pos = this.state = 1; this.update(); this.options.curAnim[ this.prop ] = true; for ( var i in this.options.curAnim ) { if ( this.options.curAnim[i] !== true ) { done = false; } } if ( done ) { // Reset the overflow if ( this.options.overflow != null && !jQuery.support.shrinkWrapBlocks ) { var elem = this.elem, options = this.options; jQuery.each( [ "", "X", "Y" ], function (index, value) { elem.style[ "overflow" + value ] = options.overflow[index]; } ); } // Hide the element if the "hide" operation was done if ( this.options.hide ) { jQuery(this.elem).hide(); } // Reset the properties, if the item has been hidden or shown if ( this.options.hide || this.options.show ) { for ( var p in this.options.curAnim ) { jQuery.style( this.elem, p, this.options.orig[p] ); } } // Execute the complete function this.options.complete.call( this.elem ); } return false; } else { var n = t - this.startTime; this.state = n / this.options.duration; // Perform the easing function, defaults to swing var specialEasing = this.options.specialEasing && this.options.specialEasing[this.prop]; var defaultEasing = this.options.easing || (jQuery.easing.swing ? "swing" : "linear"); this.pos = jQuery.easing[specialEasing || defaultEasing](this.state, n, 0, 1, this.options.duration); this.now = this.start + ((this.end - this.start) * this.pos); // Perform the next step of the animation this.update(); } return true; } }; jQuery.extend( jQuery.fx, { tick: function() { var timers = jQuery.timers; for ( var i = 0; i < timers.length; i++ ) { if ( !timers[i]() ) { timers.splice(i--, 1); } } if ( !timers.length ) { jQuery.fx.stop(); } }, interval: 13, stop: function() { clearInterval( timerId ); timerId = null; }, speeds: { slow: 600, fast: 200, // Default speed _default: 400 }, step: { opacity: function( fx ) { jQuery.style( fx.elem, "opacity", fx.now ); }, _default: function( fx ) { if ( fx.elem.style && fx.elem.style[ fx.prop ] != null ) { fx.elem.style[ fx.prop ] = (fx.prop === "width" || fx.prop === "height" ? Math.max(0, fx.now) : fx.now) + fx.unit; } else { fx.elem[ fx.prop ] = fx.now; } } } }); if ( jQuery.expr && jQuery.expr.filters ) { jQuery.expr.filters.animated = function( elem ) { return jQuery.grep(jQuery.timers, function( fn ) { return elem === fn.elem; }).length; }; } function defaultDisplay( nodeName ) { if ( !elemdisplay[ nodeName ] ) { var elem = jQuery("<" + nodeName + ">").appendTo("body"), display = elem.css("display"); elem.remove(); if ( display === "none" || display === "" ) { display = "block"; } elemdisplay[ nodeName ] = display; } return elemdisplay[ nodeName ]; } var rtable = /^t(?:able|d|h)$/i, rroot = /^(?:body|html)$/i; if ( "getBoundingClientRect" in document.documentElement ) { jQuery.fn.offset = function( options ) { var elem = this[0], box; if ( options ) { return this.each(function( i ) { jQuery.offset.setOffset( this, options, i ); }); } if ( !elem || !elem.ownerDocument ) { return null; } if ( elem === elem.ownerDocument.body ) { return jQuery.offset.bodyOffset( elem ); } try { box = elem.getBoundingClientRect(); } catch(e) {} var doc = elem.ownerDocument, docElem = doc.documentElement; // Make sure we‘re not dealing with a disconnected DOM node if ( !box || !jQuery.contains( docElem, elem ) ) { return box ? { top: box.top, left: box.left } : { top: 0, left: 0 }; } var body = doc.body, win = getWindow(doc), clientTop = docElem.clientTop || body.clientTop || 0, clientLeft = docElem.clientLeft || body.clientLeft || 0, scrollTop = (win.pageYOffset || jQuery.support.boxModel && docElem.scrollTop || body.scrollTop ), scrollLeft = (win.pageXOffset || jQuery.support.boxModel && docElem.scrollLeft || body.scrollLeft), top = box.top + scrollTop - clientTop, left = box.left + scrollLeft - clientLeft; return { top: top, left: left }; }; } else { jQuery.fn.offset = function( options ) { var elem = this[0]; if ( options ) { return this.each(function( i ) { jQuery.offset.setOffset( this, options, i ); }); } if ( !elem || !elem.ownerDocument ) { return null; } if ( elem === elem.ownerDocument.body ) { return jQuery.offset.bodyOffset( elem ); } jQuery.offset.initialize(); var computedStyle, offsetParent = elem.offsetParent, prevOffsetParent = elem, doc = elem.ownerDocument, docElem = doc.documentElement, body = doc.body, defaultView = doc.defaultView, prevComputedStyle = defaultView ? defaultView.getComputedStyle( elem, null ) : elem.currentStyle, top = elem.offsetTop, left = elem.offsetLeft; while ( (elem = elem.parentNode) && elem !== body && elem !== docElem ) { if ( jQuery.offset.supportsFixedPosition && prevComputedStyle.position === "fixed" ) { break; } computedStyle = defaultView ? defaultView.getComputedStyle(elem, null) : elem.currentStyle; top -= elem.scrollTop; left -= elem.scrollLeft; if ( elem === offsetParent ) { top += elem.offsetTop; left += elem.offsetLeft; if ( jQuery.offset.doesNotAddBorder && !(jQuery.offset.doesAddBorderForTableAndCells && rtable.test(elem.nodeName)) ) { top += parseFloat( computedStyle.borderTopWidth ) || 0; left += parseFloat( computedStyle.borderLeftWidth ) || 0; } prevOffsetParent = offsetParent; offsetParent = elem.offsetParent; } if ( jQuery.offset.subtractsBorderForOverflowNotVisible && computedStyle.overflow !== "visible" ) { top += parseFloat( computedStyle.borderTopWidth ) || 0; left += parseFloat( computedStyle.borderLeftWidth ) || 0; } prevComputedStyle = computedStyle; } if ( prevComputedStyle.position === "relative" || prevComputedStyle.position === "static" ) { top += body.offsetTop; left += body.offsetLeft; } if ( jQuery.offset.supportsFixedPosition && prevComputedStyle.position === "fixed" ) { top += Math.max( docElem.scrollTop, body.scrollTop ); left += Math.max( docElem.scrollLeft, body.scrollLeft ); } return { top: top, left: left }; }; } jQuery.offset = { initialize: function() { var body = document.body, container = document.createElement("div"), innerDiv, checkDiv, table, td, bodyMarginTop = parseFloat( jQuery.css(body, "marginTop") ) || 0, html = "<div style=‘position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;‘><div></div></div><table style=‘position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;‘ cellpadding=‘0‘ cellspacing=‘0‘><tr><td></td></tr></table>"; jQuery.extend( container.style, { position: "absolute", top: 0, left: 0, margin: 0, border: 0, width: "1px", height: "1px", visibility: "hidden" } ); container.innerHTML = html; body.insertBefore( container, body.firstChild ); innerDiv = container.firstChild; checkDiv = innerDiv.firstChild; td = innerDiv.nextSibling.firstChild.firstChild; this.doesNotAddBorder = (checkDiv.offsetTop !== 5); this.doesAddBorderForTableAndCells = (td.offsetTop === 5); checkDiv.style.position = "fixed"; checkDiv.style.top = "20px"; // safari subtracts parent border width here which is 5px this.supportsFixedPosition = (checkDiv.offsetTop === 20 || checkDiv.offsetTop === 15); checkDiv.style.position = checkDiv.style.top = ""; innerDiv.style.overflow = "hidden"; innerDiv.style.position = "relative"; this.subtractsBorderForOverflowNotVisible = (checkDiv.offsetTop === -5); this.doesNotIncludeMarginInBodyOffset = (body.offsetTop !== bodyMarginTop); body.removeChild( container ); body = container = innerDiv = checkDiv = table = td = null; jQuery.offset.initialize = jQuery.noop; }, bodyOffset: function( body ) { var top = body.offsetTop, left = body.offsetLeft; jQuery.offset.initialize(); if ( jQuery.offset.doesNotIncludeMarginInBodyOffset ) { top += parseFloat( jQuery.css(body, "marginTop") ) || 0; left += parseFloat( jQuery.css(body, "marginLeft") ) || 0; } return { top: top, left: left }; }, setOffset: function( elem, options, i ) { var position = jQuery.css( elem, "position" ); // set position first, in-case top/left are set even on static elem if ( position === "static" ) { elem.style.position = "relative"; } var curElem = jQuery( elem ), curOffset = curElem.offset(), curCSSTop = jQuery.css( elem, "top" ), curCSSLeft = jQuery.css( elem, "left" ), calculatePosition = (position === "absolute" && jQuery.inArray(‘auto‘, [curCSSTop, curCSSLeft]) > -1), props = {}, curPosition = {}, curTop, curLeft; // need to be able to calculate position if either top or left is auto and position is absolute if ( calculatePosition ) { curPosition = curElem.position(); } curTop = calculatePosition ? curPosition.top : parseInt( curCSSTop, 10 ) || 0; curLeft = calculatePosition ? curPosition.left : parseInt( curCSSLeft, 10 ) || 0; if ( jQuery.isFunction( options ) ) { options = options.call( elem, i, curOffset ); } if (options.top != null) { props.top = (options.top - curOffset.top) + curTop; } if (options.left != null) { props.left = (options.left - curOffset.left) + curLeft; } if ( "using" in options ) { options.using.call( elem, props ); } else { curElem.css( props ); } } }; jQuery.fn.extend({ position: function() { if ( !this[0] ) { return null; } var elem = this[0], // Get *real* offsetParent offsetParent = this.offsetParent(), // Get correct offsets offset = this.offset(), parentOffset = rroot.test(offsetParent[0].nodeName) ? { top: 0, left: 0 } : offsetParent.offset(); // Subtract element margins // note: when an element has margin: auto the offsetLeft and marginLeft // are the same in Safari causing offset.left to incorrectly be 0 offset.top -= parseFloat( jQuery.css(elem, "marginTop") ) || 0; offset.left -= parseFloat( jQuery.css(elem, "marginLeft") ) || 0; // Add offsetParent borders parentOffset.top += parseFloat( jQuery.css(offsetParent[0], "borderTopWidth") ) || 0; parentOffset.left += parseFloat( jQuery.css(offsetParent[0], "borderLeftWidth") ) || 0; // Subtract the two offsets return { top: offset.top - parentOffset.top, left: offset.left - parentOffset.left }; }, offsetParent: function() { return this.map(function() { var offsetParent = this.offsetParent || document.body; while ( offsetParent && (!rroot.test(offsetParent.nodeName) && jQuery.css(offsetParent, "position") === "static") ) { offsetParent = offsetParent.offsetParent; } return offsetParent; }); } }); // Create scrollLeft and scrollTop methods jQuery.each( ["Left", "Top"], function( i, name ) { var method = "scroll" + name; jQuery.fn[ method ] = function(val) { var elem = this[0], win; if ( !elem ) { return null; } if ( val !== undefined ) { // Set the scroll offset return this.each(function() { win = getWindow( this ); if ( win ) { win.scrollTo( !i ? val : jQuery(win).scrollLeft(), i ? val : jQuery(win).scrollTop() ); } else { this[ method ] = val; } }); } else { win = getWindow( elem ); // Return the scroll offset return win ? ("pageXOffset" in win) ? win[ i ? "pageYOffset" : "pageXOffset" ] : jQuery.support.boxModel && win.document.documentElement[ method ] || win.document.body[ method ] : elem[ method ]; } }; }); function getWindow( elem ) { return jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 ? elem.defaultView || elem.parentWindow : false; } // Create innerHeight, innerWidth, outerHeight and outerWidth methods jQuery.each([ "Height", "Width" ], function( i, name ) { var type = name.toLowerCase(); // innerHeight and innerWidth jQuery.fn["inner" + name] = function() { return this[0] ? parseFloat( jQuery.css( this[0], type, "padding" ) ) : null; }; // outerHeight and outerWidth jQuery.fn["outer" + name] = function( margin ) { return this[0] ? parseFloat( jQuery.css( this[0], type, margin ? "margin" : "border" ) ) : null; }; jQuery.fn[ type ] = function( size ) { // Get window width or height var elem = this[0]; if ( !elem ) { return size == null ? null : this; } if ( jQuery.isFunction( size ) ) { return this.each(function( i ) { var self = jQuery( this ); self[ type ]( size.call( this, i, self[ type ]() ) ); }); } if ( jQuery.isWindow( elem ) ) { // Everyone else use document.documentElement or document.body depending on Quirks vs Standards mode // 3rd condition allows Nokia support, as it supports the docElem prop but not CSS1Compat var docElemProp = elem.document.documentElement[ "client" + name ]; return elem.document.compatMode === "CSS1Compat" && docElemProp || elem.document.body[ "client" + name ] || docElemProp; // Get document width or height } else if ( elem.nodeType === 9 ) { // Either scroll[Width/Height] or offset[Width/Height], whichever is greater return Math.max( elem.documentElement["client" + name], elem.body["scroll" + name], elem.documentElement["scroll" + name], elem.body["offset" + name], elem.documentElement["offset" + name] ); // Get or set width or height on the element } else if ( size === undefined ) { var orig = jQuery.css( elem, type ), ret = parseFloat( orig ); return jQuery.isNaN( ret ) ? orig : ret; // Set the width or height on the element (default to pixels if value is unitless) } else { return this.css( type, typeof size === "string" ? size : size + "px" ); } }; }); })(window);
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原文地址：http://www.cnblogs.com/diligenceday/p/4196262.html
