Test Event Handling Performance

From 9dd70a44ad682e7b9aa66680c54a38789a116e27 Mon Sep 17 00:00:00 2001 From: John Resig Date: Fri, 17 Sep 2010 15:38:27 -0400 Subject: [PATCH] Adding a simple file for doing .css() performance testing. --- speed/css.html | 49 + speed/jquery-basis.js | 6932 +++++++++++++++++++++++++++++++------------------ 2 files changed, 4447 insertions(+), 2534 deletions(-) create mode 100644 speed/css.html diff --git a/speed/css.html b/speed/css.html new file mode 100644 index 0000000..e855756 --- /dev/null +++ b/speed/css.html @@ -0,0 +1,49 @@ + + + + Test Event Handling Performance + + + + + + + + +

Hello there!

+ + diff --git a/speed/jquery-basis.js b/speed/jquery-basis.js index 9263574..fff6776 100644 --- a/speed/jquery-basis.js +++ b/speed/jquery-basis.js @@ -1,662 +1,541 @@ /*! - * jQuery JavaScript Library v1.3.2 + * jQuery JavaScript Library v1.4.2 * http://jquery.com/ * - * Copyright (c) 2009 John Resig - * Dual licensed under the MIT and GPL licenses. - * http://docs.jquery.com/License + * Copyright 2010, John Resig + * Dual licensed under the MIT or GPL Version 2 licenses. + * http://jquery.org/license * - * Date: 2009-02-19 17:34:21 -0500 (Thu, 19 Feb 2009) - * Revision: 6246 + * Includes Sizzle.js + * http://sizzlejs.com/ + * Copyright 2010, The Dojo Foundation + * Released under the MIT, BSD, and GPL Licenses. + * + * Date: Sat Feb 13 22:33:48 2010 -0500 */ -(function(){ +(function( window, undefined ) { + +// 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 ); + }, -var - // Will speed up references to window, and allows munging its name. - window = this, - // Will speed up references to undefined, and allows munging its name. - undefined, // Map over jQuery in case of overwrite _jQuery = window.jQuery, + // Map over the $ in case of overwrite _$ = window.$, - jQuery = window.jQuery = window.$ = function( selector, context ) { - // The jQuery object is actually just the init constructor 'enhanced' - return new jQuery.fn.init( selector, context ); - }, + // Use the correct document accordingly with window argument (sandbox) + document = window.document, + + // 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) - quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/, + quickExpr = /^[^<]*(<[\w\W]+>)[^>]*$|^#([\w-]+)$/, + // Is it a simple selector - isSimple = /^.[^:#\[\.,]*$/; + isSimple = /^.[^:#\[\.,]*$/, + + // Check if a string has a non-whitespace character in it + rnotwhite = /\S/, + + // Used for trimming whitespace + rtrim = /^(\s|\u00A0)+|(\s|\u00A0)+$/g, + + // Match a standalone tag + rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/, + + // 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, + + // The functions to execute on DOM ready + readyList = [], + + // The ready event handler + DOMContentLoaded, + + // Save a reference to some core methods + toString = Object.prototype.toString, + hasOwnProperty = Object.prototype.hasOwnProperty, + push = Array.prototype.push, + slice = Array.prototype.slice, + indexOf = Array.prototype.indexOf; jQuery.fn = jQuery.prototype = { init: function( selector, context ) { - // Make sure that a selection was provided - selector = selector || document; + var match, elem, ret, doc; + + // Handle $(""), $(null), or $(undefined) + if ( !selector ) { + return this; + } // Handle $(DOMElement) if ( selector.nodeType ) { - this[0] = selector; + this.context = this[0] = selector; this.length = 1; - this.context = selector; return this; } + + // The body element only exists once, optimize finding it + if ( selector === "body" && !context ) { + this.context = document; + this[0] = document.body; + this.selector = "body"; + this.length = 1; + return this; + } + // Handle HTML strings if ( typeof selector === "string" ) { // Are we dealing with HTML string or an ID? - var match = quickExpr.exec( selector ); + match = quickExpr.exec( selector ); // Verify a match, and that no context was specified for #id if ( match && (match[1] || !context) ) { // HANDLE: $(html) -> $(array) - if ( match[1] ) - selector = jQuery.clean( [ match[1] ], context ); + if ( match[1] ) { + 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 + ret = rsingleTag.exec( selector ); + + if ( ret ) { + if ( jQuery.isPlainObject( context ) ) { + selector = [ document.createElement( ret[1] ) ]; + jQuery.fn.attr.call( selector, context, true ); + + } else { + selector = [ doc.createElement( ret[1] ) ]; + } + } else { + ret = buildFragment( [ match[1] ], [ doc ] ); + selector = (ret.cacheable ? ret.fragment.cloneNode(true) : ret.fragment).childNodes; + } + + return jQuery.merge( this, selector ); + // HANDLE: $("#id") - else { - var elem = document.getElementById( match[3] ); - - // Handle the case where IE and Opera return items - // by name instead of ID - if ( elem && elem.id != match[3] ) - return jQuery().find( selector ); - - // Otherwise, we inject the element directly into the jQuery object - var ret = jQuery( elem || [] ); - ret.context = document; - ret.selector = selector; - return ret; + } else { + elem = document.getElementById( match[2] ); + + if ( elem ) { + // Handle the case where IE and Opera return items + // by name instead of ID + if ( elem.id !== match[2] ) { + return rootjQuery.find( selector ); + } + + // Otherwise, we inject the element directly into the jQuery object + this.length = 1; + this[0] = elem; + } + + this.context = document; + this.selector = selector; + return this; } - // HANDLE: $(expr, [context]) - // (which is just equivalent to: $(content).find(expr) - } else + // HANDLE: $("TAG") + } else if ( !context && /^\w+$/.test( selector ) ) { + this.selector = selector; + this.context = document; + selector = document.getElementsByTagName( selector ); + return jQuery.merge( this, selector ); + + // HANDLE: $(expr, $(...)) + } else if ( !context || context.jquery ) { + return (context || rootjQuery).find( selector ); + + // HANDLE: $(expr, context) + // (which is just equivalent to: $(context).find(expr) + } else { return jQuery( context ).find( selector ); + } // HANDLE: $(function) // Shortcut for document ready - } else if ( jQuery.isFunction( selector ) ) - return jQuery( document ).ready( selector ); + } else if ( jQuery.isFunction( selector ) ) { + return rootjQuery.ready( selector ); + } - // Make sure that old selector state is passed along - if ( selector.selector && selector.context ) { + if (selector.selector !== undefined) { this.selector = selector.selector; this.context = selector.context; } - return this.setArray(jQuery.isArray( selector ) ? - selector : - jQuery.makeArray(selector)); + return jQuery.makeArray( selector, this ); }, // Start with an empty selector selector: "", // The current version of jQuery being used - jquery: "1.3.2", + jquery: "1.4.2", + + // 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; }, + 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 get: function( num ) { - return num === undefined ? + return num == null ? // Return a 'clean' array - Array.prototype.slice.call( this ) : + this.toArray() : // Return just the object - this[ num ]; + ( num < 0 ? this.slice(num)[ 0 ] : this[ num ] ); }, // Take an array of elements and push it onto the stack // (returning the new matched element set) pushStack: function( elems, name, selector ) { // Build a new jQuery matched element set - var ret = jQuery( elems ); + var ret = jQuery(); + + if ( jQuery.isArray( elems ) ) { + push.apply( ret, elems ); + + } else { + jQuery.merge( ret, elems ); + } // Add the old object onto the stack (as a reference) ret.prevObject = this; ret.context = this.context; - if ( name === "find" ) + if ( name === "find" ) { ret.selector = this.selector + (this.selector ? " " : "") + selector; - else if ( name ) + } else if ( name ) { ret.selector = this.selector + "." + name + "(" + selector + ")"; + } // Return the newly-formed element set return ret; }, - // Force the current matched set of elements to become - // the specified array of elements (destroying the stack in the process) - // You should use pushStack() in order to do this, but maintain the stack - setArray: function( elems ) { - // Resetting the length to 0, then using the native Array push - // is a super-fast way to populate an object with array-like properties - this.length = 0; - Array.prototype.push.apply( this, elems ); - - return this; - }, - // Execute a callback for every element in the matched set. // (You can seed the arguments with an array of args, but this is // only used internally.) each: function( callback, args ) { return jQuery.each( this, callback, args ); }, + + ready: function( fn ) { + // Attach the listeners + jQuery.bindReady(); - // Determine the position of an element within - // the matched set of elements - index: function( elem ) { - // Locate the position of the desired element - return jQuery.inArray( - // If it receives a jQuery object, the first element is used - elem && elem.jquery ? elem[0] : elem - , this ); - }, - - attr: function( name, value, type ) { - var options = name; - - // Look for the case where we're accessing a style value - if ( typeof name === "string" ) - if ( value === undefined ) - return this[0] && jQuery[ type || "attr" ]( this[0], name ); - - else { - options = {}; - options[ name ] = value; - } - - // Check to see if we're setting style values - return this.each(function(i){ - // Set all the styles - for ( name in options ) - jQuery.attr( - type ? - this.style : - this, - name, jQuery.prop( this, options[ name ], type, i, name ) - ); - }); - }, - - css: function( key, value ) { - // ignore negative width and height values - if ( (key == 'width' || key == 'height') && parseFloat(value) < 0 ) - value = undefined; - return this.attr( key, value, "curCSS" ); - }, - - text: function( text ) { - if ( typeof text !== "object" && text != null ) - return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) ); - - var ret = ""; - - jQuery.each( text || this, function(){ - jQuery.each( this.childNodes, function(){ - if ( this.nodeType != 8 ) - ret += this.nodeType != 1 ? - this.nodeValue : - jQuery.fn.text( [ this ] ); - }); - }); - - return ret; - }, - - wrapAll: function( html ) { - if ( this[0] ) { - // The elements to wrap the target around - var wrap = jQuery( html, this[0].ownerDocument ).clone(); - - if ( this[0].parentNode ) - wrap.insertBefore( this[0] ); - - wrap.map(function(){ - var elem = this; - - while ( elem.firstChild ) - elem = elem.firstChild; + // If the DOM is already ready + if ( jQuery.isReady ) { + // Execute the function immediately + fn.call( document, jQuery ); - return elem; - }).append(this); + // Otherwise, remember the function for later + } else if ( readyList ) { + // Add the function to the wait list + readyList.push( fn ); } return this; }, - - wrapInner: function( html ) { - return this.each(function(){ - jQuery( this ).contents().wrapAll( html ); - }); - }, - - wrap: function( html ) { - return this.each(function(){ - jQuery( this ).wrapAll( html ); - }); + + eq: function( i ) { + return i === -1 ? + this.slice( i ) : + this.slice( i, +i + 1 ); }, - append: function() { - return this.domManip(arguments, true, function(elem){ - if (this.nodeType == 1) - this.appendChild( elem ); - }); + first: function() { + return this.eq( 0 ); }, - prepend: function() { - return this.domManip(arguments, true, function(elem){ - if (this.nodeType == 1) - this.insertBefore( elem, this.firstChild ); - }); + last: function() { + return this.eq( -1 ); }, - before: function() { - return this.domManip(arguments, false, function(elem){ - this.parentNode.insertBefore( elem, this ); - }); + slice: function() { + return this.pushStack( slice.apply( this, arguments ), + "slice", slice.call(arguments).join(",") ); }, - after: function() { - return this.domManip(arguments, false, function(elem){ - this.parentNode.insertBefore( elem, this.nextSibling ); - }); + map: function( callback ) { + return this.pushStack( jQuery.map(this, function( elem, i ) { + return callback.call( elem, i, elem ); + })); }, - + end: function() { - return this.prevObject || jQuery( [] ); + return this.prevObject || jQuery(null); }, // For internal use only. // Behaves like an Array's method, not like a jQuery method. - push: [].push, + push: push, sort: [].sort, - splice: [].splice, + splice: [].splice +}; - find: function( selector ) { - if ( this.length === 1 ) { - var ret = this.pushStack( [], "find", selector ); - ret.length = 0; - jQuery.find( selector, this[0], ret ); - return ret; - } else { - return this.pushStack( jQuery.unique(jQuery.map(this, function(elem){ - return jQuery.find( selector, elem ); - })), "find", selector ); - } - }, +// Give the init function the jQuery prototype for later instantiation +jQuery.fn.init.prototype = jQuery.fn; - clone: function( events ) { - // Do the clone - var ret = this.map(function(){ - if ( !jQuery.support.noCloneEvent && !jQuery.isXMLDoc(this) ) { - // IE copies events bound via attachEvent when - // using cloneNode. Calling detachEvent on the - // clone will also remove the events from the orignal - // In order to get around this, we use innerHTML. - // Unfortunately, this means some modifications to - // attributes in IE that are actually only stored - // as properties will not be copied (such as the - // the name attribute on an input). - var html = this.outerHTML; - if ( !html ) { - var div = this.ownerDocument.createElement("div"); - div.appendChild( this.cloneNode(true) ); - html = div.innerHTML; - } +jQuery.extend = jQuery.fn.extend = function() { + // copy reference to target object + var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options, name, src, copy; - return jQuery.clean([html.replace(/ jQuery\d+="(?:\d+|null)"/g, "").replace(/^\s*/, "")])[0]; - } else - return this.cloneNode(true); - }); + // Handle a deep copy situation + if ( typeof target === "boolean" ) { + deep = target; + target = arguments[1] || {}; + // skip the boolean and the target + i = 2; + } - // Copy the events from the original to the clone - if ( events === true ) { - var orig = this.find("*").andSelf(), i = 0; + // Handle case when target is a string or something (possible in deep copy) + if ( typeof target !== "object" && !jQuery.isFunction(target) ) { + target = {}; + } - ret.find("*").andSelf().each(function(){ - if ( this.nodeName !== orig[i].nodeName ) - return; + // extend jQuery itself if only one argument is passed + if ( length === i ) { + target = this; + --i; + } - var events = jQuery.data( orig[i], "events" ); + for ( ; i < length; i++ ) { + // Only deal with non-null/undefined values + if ( (options = arguments[ i ]) != null ) { + // Extend the base object + for ( name in options ) { + src = target[ name ]; + copy = options[ name ]; - for ( var type in events ) { - for ( var handler in events[ type ] ) { - jQuery.event.add( this, type, events[ type ][ handler ], events[ type ][ handler ].data ); - } + // Prevent never-ending loop + if ( target === copy ) { + continue; } - i++; - }); - } + // Recurse if we're merging object literal values or arrays + if ( deep && copy && ( jQuery.isPlainObject(copy) || jQuery.isArray(copy) ) ) { + var clone = src && ( jQuery.isPlainObject(src) || jQuery.isArray(src) ) ? src + : jQuery.isArray(copy) ? [] : {}; - // Return the cloned set - return ret; - }, + // Never move original objects, clone them + target[ name ] = jQuery.extend( deep, clone, copy ); - filter: function( selector ) { - return this.pushStack( - jQuery.isFunction( selector ) && - jQuery.grep(this, function(elem, i){ - return selector.call( elem, i ); - }) || - - jQuery.multiFilter( selector, jQuery.grep(this, function(elem){ - return elem.nodeType === 1; - }) ), "filter", selector ); - }, - - closest: function( selector ) { - var pos = jQuery.expr.match.POS.test( selector ) ? jQuery(selector) : null, - closer = 0; - - return this.map(function(){ - var cur = this; - while ( cur && cur.ownerDocument ) { - if ( pos ? pos.index(cur) > -1 : jQuery(cur).is(selector) ) { - jQuery.data(cur, "closest", closer); - return cur; + // Don't bring in undefined values + } else if ( copy !== undefined ) { + target[ name ] = copy; } - cur = cur.parentNode; - closer++; } - }); - }, + } + } - not: function( selector ) { - if ( typeof selector === "string" ) - // test special case where just one selector is passed in - if ( isSimple.test( selector ) ) - return this.pushStack( jQuery.multiFilter( selector, this, true ), "not", selector ); - else - selector = jQuery.multiFilter( selector, this ); - - var isArrayLike = selector.length && selector[selector.length - 1] !== undefined && !selector.nodeType; - return this.filter(function() { - return isArrayLike ? jQuery.inArray( this, selector ) < 0 : this != selector; - }); - }, + // Return the modified object + return target; +}; - add: function( selector ) { - return this.pushStack( jQuery.unique( jQuery.merge( - this.get(), - typeof selector === "string" ? - jQuery( selector ) : - jQuery.makeArray( selector ) - ))); - }, +jQuery.extend({ + noConflict: function( deep ) { + window.$ = _$; - is: function( selector ) { - return !!selector && jQuery.multiFilter( selector, this ).length > 0; - }, + if ( deep ) { + window.jQuery = _jQuery; + } - hasClass: function( selector ) { - return !!selector && this.is( "." + selector ); + return jQuery; }, + + // Is the DOM ready to be used? Set to true once it occurs. + isReady: false, + + // Handle when the DOM is ready + ready: function() { + // Make sure that the DOM is not already loaded + if ( !jQuery.isReady ) { + // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443). + if ( !document.body ) { + return setTimeout( jQuery.ready, 13 ); + } - val: function( value ) { - if ( value === undefined ) { - var elem = this[0]; + // Remember that the DOM is ready + jQuery.isReady = true; - if ( elem ) { - if( jQuery.nodeName( elem, 'option' ) ) - return (elem.attributes.value || {}).specified ? elem.value : elem.text; - - // 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"; + // If there are functions bound, to execute + if ( readyList ) { + // Execute all of them + var fn, i = 0; + while ( (fn = readyList[ i++ ]) ) { + fn.call( document, jQuery ); + } - // Nothing was selected - if ( index < 0 ) - return null; + // Reset the list of functions + readyList = null; + } - // 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 ]; + // Trigger any bound ready events + if ( jQuery.fn.triggerHandler ) { + jQuery( document ).triggerHandler( "ready" ); + } + } + }, + + bindReady: function() { + if ( readyBound ) { + return; + } - if ( option.selected ) { - // Get the specifc value for the option - value = jQuery(option).val(); + readyBound = true; - // We don't need an array for one selects - if ( one ) - return value; + // Catch cases where $(document).ready() is called after the + // browser event has already occurred. + if ( document.readyState === "complete" ) { + return jQuery.ready(); + } - // Multi-Selects return an array - values.push( value ); - } - } + // Mozilla, Opera and webkit nightlies currently support this event + if ( document.addEventListener ) { + // Use the handy event callback + document.addEventListener( "DOMContentLoaded", DOMContentLoaded, false ); + + // A fallback to window.onload, that will always work + window.addEventListener( "load", jQuery.ready, false ); + + // If IE event model is used + } 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 ); - return values; - } + // If IE and not a frame + // continually check to see if the document is ready + var toplevel = false; - // Everything else, we just grab the value - return (elem.value || "").replace(/\r/g, ""); + try { + toplevel = window.frameElement == null; + } catch(e) {} + if ( document.documentElement.doScroll && toplevel ) { + doScrollCheck(); } - - return undefined; } - - if ( typeof value === "number" ) - value += ''; - - return this.each(function(){ - if ( this.nodeType != 1 ) - return; - - if ( jQuery.isArray(value) && /radio|checkbox/.test( this.type ) ) - this.checked = (jQuery.inArray(this.value, value) >= 0 || - jQuery.inArray(this.name, value) >= 0); - - else if ( jQuery.nodeName( this, "select" ) ) { - var values = jQuery.makeArray(value); - - jQuery( "option", this ).each(function(){ - this.selected = (jQuery.inArray( this.value, values ) >= 0 || - jQuery.inArray( this.text, values ) >= 0); - }); - - if ( !values.length ) - this.selectedIndex = -1; - - } else - this.value = value; - }); - }, - - html: function( value ) { - return value === undefined ? - (this[0] ? - this[0].innerHTML.replace(/ jQuery\d+="(?:\d+|null)"/g, "") : - null) : - this.empty().append( value ); }, - replaceWith: function( value ) { - return this.after( value ).remove(); + // 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). + isFunction: function( obj ) { + return toString.call(obj) === "[object Function]"; }, - eq: function( i ) { - return this.slice( i, +i + 1 ); + isArray: function( obj ) { + return toString.call(obj) === "[object Array]"; }, - slice: function() { - return this.pushStack( Array.prototype.slice.apply( this, arguments ), - "slice", Array.prototype.slice.call(arguments).join(",") ); + 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 || toString.call(obj) !== "[object Object]" || obj.nodeType || obj.setInterval ) { + return false; + } + + // Not own constructor property must be Object + if ( obj.constructor + && !hasOwnProperty.call(obj, "constructor") + && !hasOwnProperty.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. + + var key; + for ( key in obj ) {} + + return key === undefined || hasOwnProperty.call( obj, key ); }, - map: function( callback ) { - return this.pushStack( jQuery.map(this, function(elem, i){ - return callback.call( elem, i, elem ); - })); + isEmptyObject: function( obj ) { + for ( var name in obj ) { + return false; + } + return true; }, - - andSelf: function() { - return this.add( this.prevObject ); + + error: function( msg ) { + throw msg; }, - - domManip: function( args, table, callback ) { - if ( this[0] ) { - var fragment = (this[0].ownerDocument || this[0]).createDocumentFragment(), - scripts = jQuery.clean( args, (this[0].ownerDocument || this[0]), fragment ), - first = fragment.firstChild; - - if ( first ) - for ( var i = 0, l = this.length; i < l; i++ ) - callback.call( root(this[i], first), this.length > 1 || i > 0 ? - fragment.cloneNode(true) : fragment ); - - if ( scripts ) - jQuery.each( scripts, evalScript ); + + parseJSON: function( data ) { + if ( typeof data !== "string" || !data ) { + return null; } - return this; + // Make sure leading/trailing whitespace is removed (IE can't handle it) + data = jQuery.trim( data ); - function root( elem, cur ) { - return table && jQuery.nodeName(elem, "table") && jQuery.nodeName(cur, "tr") ? - (elem.getElementsByTagName("tbody")[0] || - elem.appendChild(elem.ownerDocument.createElement("tbody"))) : - elem; - } - } -}; - -// Give the init function the jQuery prototype for later instantiation -jQuery.fn.init.prototype = jQuery.fn; - -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 ); -} - -function now(){ - return +new Date; -} - -jQuery.extend = jQuery.fn.extend = function() { - // copy reference to target object - var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options; - - // Handle a deep copy situation - if ( typeof target === "boolean" ) { - deep = target; - target = arguments[1] || {}; - // skip the boolean and the target - i = 2; - } - - // Handle case when target is a string or something (possible in deep copy) - if ( typeof target !== "object" && !jQuery.isFunction(target) ) - target = {}; - - // extend jQuery itself if only one argument is passed - if ( length == i ) { - target = this; - --i; - } - - for ( ; i < length; i++ ) - // Only deal with non-null/undefined values - if ( (options = arguments[ i ]) != null ) - // Extend the base object - for ( var name in options ) { - var src = target[ name ], copy = options[ name ]; - - // Prevent never-ending loop - if ( target === copy ) - continue; - - // Recurse if we're merging object values - if ( deep && copy && typeof copy === "object" && !copy.nodeType ) - target[ name ] = jQuery.extend( deep, - // Never move original objects, clone them - src || ( copy.length != null ? [ ] : { } ) - , copy ); - - // Don't bring in undefined values - else if ( copy !== undefined ) - target[ name ] = copy; - - } - - // Return the modified object - return target; -}; - -// exclude the following css properties to add px -var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i, - // cache defaultView - defaultView = document.defaultView || {}, - toString = Object.prototype.toString; - -jQuery.extend({ - noConflict: function( deep ) { - window.$ = _$; - - if ( deep ) - window.jQuery = _jQuery; - - return jQuery; - }, + // Make sure the incoming data is actual JSON + // Logic borrowed from http://json.org/json2.js + if ( /^[\],:{}\s]*$/.test(data.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, "@") + .replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, "]") + .replace(/(?:^|:|,)(?:\s*\[)+/g, "")) ) { - // 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). - isFunction: function( obj ) { - return toString.call(obj) === "[object Function]"; - }, + // Try to use the native JSON parser first + return window.JSON && window.JSON.parse ? + window.JSON.parse( data ) : + (new Function("return " + data))(); - isArray: function( obj ) { - return toString.call(obj) === "[object Array]"; + } else { + jQuery.error( "Invalid JSON: " + data ); + } }, - // check if an element is in a (or is an) XML document - isXMLDoc: function( elem ) { - return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" || - !!elem.ownerDocument && jQuery.isXMLDoc( elem.ownerDocument ); - }, + noop: function() {}, // Evalulates a script in a global context globalEval: function( data ) { - if ( data && /\S/.test(data) ) { + 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"; - if ( jQuery.support.scriptEval ) + + if ( jQuery.support.scriptEval ) { script.appendChild( document.createTextNode( data ) ); - else + } else { script.text = data; + } - // Use insertBefore instead of appendChild to circumvent an IE6 bug. + // 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 ); @@ -664,1005 +543,2380 @@ jQuery.extend({ }, nodeName: function( elem, name ) { - return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase(); + return elem.nodeName && elem.nodeName.toUpperCase() === name.toUpperCase(); }, // args is for internal usage only each: function( object, callback, args ) { - var name, i = 0, length = object.length; + var name, i = 0, + length = object.length, + isObj = length === undefined || jQuery.isFunction(object); if ( args ) { - if ( length === undefined ) { - for ( name in object ) - if ( callback.apply( object[ name ], args ) === false ) + 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 ) + } + } + } 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 ( length === undefined ) { - for ( name in object ) - if ( callback.call( object[ name ], name, object[ name ] ) === false ) + if ( isObj ) { + for ( name in object ) { + if ( callback.call( object[ name ], name, object[ name ] ) === false ) { break; - } else + } + } + } else { for ( var value = object[0]; - i < length && callback.call( value, i, value ) !== false; value = object[++i] ){} + i < length && callback.call( value, i, value ) !== false; value = object[++i] ) {} + } } return object; }, - prop: function( elem, value, type, i, name ) { - // Handle executable functions - if ( jQuery.isFunction( value ) ) - value = value.call( elem, i ); - - // Handle passing in a number to a CSS property - return typeof value === "number" && type == "curCSS" && !exclude.test( name ) ? - value + "px" : - value; + trim: function( text ) { + return (text || "").replace( rtrim, "" ); }, - className: { - // internal only, use addClass("class") - add: function( elem, classNames ) { - jQuery.each((classNames || "").split(/\s+/), function(i, className){ - if ( elem.nodeType == 1 && !jQuery.className.has( elem.className, className ) ) - elem.className += (elem.className ? " " : "") + className; - }); - }, - - // internal only, use removeClass("class") - remove: function( elem, classNames ) { - if (elem.nodeType == 1) - elem.className = classNames !== undefined ? - jQuery.grep(elem.className.split(/\s+/), function(className){ - return !jQuery.className.has( classNames, className ); - }).join(" ") : - ""; - }, + // results is for internal usage only + makeArray: function( array, results ) { + var ret = results || []; - // internal only, use hasClass("class") - has: function( elem, className ) { - return elem && jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1; + 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) + if ( array.length == null || typeof array === "string" || jQuery.isFunction(array) || (typeof array !== "function" && array.setInterval) ) { + push.call( ret, array ); + } else { + jQuery.merge( ret, array ); + } } + + return ret; }, - // 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 ]; + inArray: function( elem, array ) { + if ( array.indexOf ) { + return array.indexOf( elem ); } - callback.call( elem ); + for ( var i = 0, length = array.length; i < length; i++ ) { + if ( array[ i ] === elem ) { + return i; + } + } - // Revert the old values - for ( var name in options ) - elem.style[ name ] = old[ name ]; + return -1; }, - css: function( elem, name, force, extra ) { - if ( name == "width" || name == "height" ) { - var val, props = { position: "absolute", visibility: "hidden", display:"block" }, which = name == "width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ]; + merge: function( first, second ) { + var i = first.length, j = 0; - function getWH() { - val = name == "width" ? elem.offsetWidth : elem.offsetHeight; + 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++ ]; + } + } - if ( extra === "border" ) - return; + first.length = i; - jQuery.each( which, function() { - if ( !extra ) - val -= parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0; - if ( extra === "margin" ) - val += parseFloat(jQuery.curCSS( elem, "margin" + this, true)) || 0; - else - val -= parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0; - }); - } + return first; + }, - if ( elem.offsetWidth !== 0 ) - getWH(); - else - jQuery.swap( elem, props, getWH ); + grep: function( elems, callback, inv ) { + var ret = []; - return Math.max(0, Math.round(val)); + // Go through the array, only saving the items + // that pass the validator function + for ( var i = 0, length = elems.length; i < length; i++ ) { + if ( !inv !== !callback( elems[ i ], i ) ) { + ret.push( elems[ i ] ); + } } - return jQuery.curCSS( elem, name, force ); + return ret; }, - curCSS: function( elem, name, force ) { - var ret, style = elem.style; + // arg is for internal usage only + map: function( elems, callback, arg ) { + var ret = [], value; - // We need to handle opacity special in IE - if ( name == "opacity" && !jQuery.support.opacity ) { - ret = jQuery.attr( style, "opacity" ); + // 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 ); - return ret == "" ? - "1" : - ret; + if ( value != null ) { + ret[ ret.length ] = value; + } } - // Make sure we're using the right name for getting the float value - if ( name.match( /float/i ) ) - name = styleFloat; + return ret.concat.apply( [], ret ); + }, - if ( !force && style && style[ name ] ) - ret = style[ name ]; + // A global GUID counter for objects + guid: 1, - else if ( defaultView.getComputedStyle ) { + proxy: function( fn, proxy, thisObject ) { + if ( arguments.length === 2 ) { + if ( typeof proxy === "string" ) { + thisObject = fn; + fn = thisObject[ proxy ]; + proxy = undefined; - // Only "float" is needed here - if ( name.match( /float/i ) ) - name = "float"; + } else if ( proxy && !jQuery.isFunction( proxy ) ) { + thisObject = proxy; + proxy = undefined; + } + } - name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase(); + if ( !proxy && fn ) { + proxy = function() { + return fn.apply( thisObject || this, arguments ); + }; + } - var computedStyle = defaultView.getComputedStyle( elem, null ); + // Set the guid of unique handler to the same of original handler, so it can be removed + if ( fn ) { + proxy.guid = fn.guid = fn.guid || proxy.guid || jQuery.guid++; + } - if ( computedStyle ) - ret = computedStyle.getPropertyValue( name ); + // So proxy can be declared as an argument + return proxy; + }, - // We should always get a number back from opacity - if ( name == "opacity" && ret == "" ) - ret = "1"; + // Use of jQuery.browser is frowned upon. + // More details: http://docs.jquery.com/Utilities/jQuery.browser + uaMatch: function( ua ) { + ua = ua.toLowerCase(); - } else if ( elem.currentStyle ) { - var camelCase = name.replace(/\-(\w)/g, function(all, letter){ - return letter.toUpperCase(); - }); + var match = /(webkit)[ \/]([\w.]+)/.exec( ua ) || + /(opera)(?:.*version)?[ \/]([\w.]+)/.exec( ua ) || + /(msie) ([\w.]+)/.exec( ua ) || + !/compatible/.test( ua ) && /(mozilla)(?:.*? rv:([\w.]+))?/.exec( ua ) || + []; - ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ]; + return { browser: match[1] || "", version: match[2] || "0" }; + }, - // From the awesome hack by Dean Edwards - // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291 + browser: {} +}); - // If we're not dealing with a regular pixel number - // but a number that has a weird ending, we need to convert it to pixels - if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) { - // Remember the original values - var left = style.left, rsLeft = elem.runtimeStyle.left; - - // Put in the new values to get a computed value out - elem.runtimeStyle.left = elem.currentStyle.left; - style.left = ret || 0; - ret = style.pixelLeft + "px"; +browserMatch = jQuery.uaMatch( userAgent ); +if ( browserMatch.browser ) { + jQuery.browser[ browserMatch.browser ] = true; + jQuery.browser.version = browserMatch.version; +} - // Revert the changed values - style.left = left; - elem.runtimeStyle.left = rsLeft; - } - } +// Deprecated, use jQuery.browser.webkit instead +if ( jQuery.browser.webkit ) { + jQuery.browser.safari = true; +} - return ret; - }, +if ( indexOf ) { + jQuery.inArray = function( elem, array ) { + return indexOf.call( array, elem ); + }; +} - clean: function( elems, context, fragment ) { - context = context || document; +// All jQuery objects should point back to these +rootjQuery = jQuery(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; +// Cleanup functions for the document ready method +if ( document.addEventListener ) { + DOMContentLoaded = function() { + document.removeEventListener( "DOMContentLoaded", DOMContentLoaded, false ); + jQuery.ready(); + }; - // If a single string is passed in and it's a single tag - // just do a createElement and skip the rest - if ( !fragment && elems.length === 1 && typeof elems[0] === "string" ) { - var match = /^<(\w+)\s*\/?>$/.exec(elems[0]); - if ( match ) - return [ context.createElement( match[1] ) ]; +} else if ( document.attachEvent ) { + DOMContentLoaded = function() { + // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443). + if ( document.readyState === "complete" ) { + document.detachEvent( "onreadystatechange", DOMContentLoaded ); + jQuery.ready(); } + }; +} - var ret = [], scripts = [], div = context.createElement("div"); - - jQuery.each(elems, function(i, elem){ - if ( typeof elem === "number" ) - elem += ''; - - if ( !elem ) - return; +// The DOM ready check for Internet Explorer +function doScrollCheck() { + if ( jQuery.isReady ) { + return; + } - // Convert html string into DOM nodes - if ( typeof elem === "string" ) { - // Fix "XHTML"-style tags in all browsers - elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag){ - return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area|embed)$/i) ? - all : - front + ">"; - }); + try { + // If IE is used, use the trick by Diego Perini + // http://javascript.nwbox.com/IEContentLoaded/ + document.documentElement.doScroll("left"); + } catch( error ) { + setTimeout( doScrollCheck, 1 ); + return; + } - // Trim whitespace, otherwise indexOf won't work as expected - var tags = elem.replace(/^\s+/, "").substring(0, 10).toLowerCase(); + // and execute any waiting functions + jQuery.ready(); +} - var wrap = - // option or optgroup - !tags.indexOf("", "" ] || +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 || "" ); + } - !tags.indexOf("", "" ] || + if ( elem.parentNode ) { + elem.parentNode.removeChild( elem ); + } +} - tags.match(/^<(thead|tbody|tfoot|colg|cap)/) && - [ 1, "", "

" ] || +// Mutifunctional method to get and set values to a collection +// The value/s can be optionally by executed if its a function +function access( elems, key, value, exec, fn, pass ) { + var length = elems.length; + + // Setting many attributes + if ( typeof key === "object" ) { + for ( var k in key ) { + 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 + exec = !pass && exec && jQuery.isFunction(value); + + for ( var i = 0; i < length; i++ ) { + 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; +} - !tags.indexOf("", "" ] || +function now() { + return (new Date).getTime(); +} +(function() { - // matched above - (!tags.indexOf("", "" ] || + jQuery.support = {}; - !tags.indexOf("", "" ] || + var root = document.documentElement, + script = document.createElement("script"), + div = document.createElement("div"), + id = "script" + now(); - // IE can't serialize and