Fixed bubbling of live events (if an inner element handles an event first - and stops...
[jquery.git] / src / core.js
index 685ca2b..ac8ec6b 100644 (file)
@@ -1,33 +1,23 @@
-/*
- * jQuery @VERSION - New Wave Javascript
- *
- * Copyright (c) 2008 John Resig (jquery.com)
- * Dual licensed under the MIT (MIT-LICENSE.txt)
- * and GPL (GPL-LICENSE.txt) licenses.
- *
- * $Date$
- * $Rev$
- */
-
-// Map over jQuery in case of overwrite
-var _jQuery = window.jQuery,
-// Map over the $ in case of overwrite
-       _$ = window.$;
-
-var jQuery = window.jQuery = window.$ = function( selector, context ) {
-       // The jQuery object is actually just the init constructor 'enhanced'
-       return new jQuery.fn.init( selector, context );
-};
-
-// A simple way to check for HTML strings or ID strings
-// (both of which we optimize for)
-var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/,
-
-// Is it a simple selector
-       isSimple = /^.[^:#\[\.]*$/,
+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 );
+       },
 
-// Will speed up references to undefined, and allows munging its name.
-       undefined;
+       // A simple way to check for HTML strings or ID strings
+       // (both of which we optimize for)
+       quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/,
+       // Is it a simple selector
+       isSimple = /^.[^:#\[\.,]*$/;
 
 jQuery.fn = jQuery.prototype = {
        init: function( selector, context ) {
@@ -57,20 +47,16 @@ jQuery.fn = jQuery.prototype = {
                                else {
                                        var elem = document.getElementById( match[3] );
 
-                                       // Make sure an element was located
-                                       if ( elem ){
-                                               // Handle the case where IE and Opera return items
-                                               // by name instead of ID
-                                               if ( 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;
-                                       }
-                                       selector = [];
+                                       // 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;
                                }
 
                        // HANDLE: $(expr, [context])
@@ -81,7 +67,13 @@ jQuery.fn = jQuery.prototype = {
                // HANDLE: $(function)
                // Shortcut for document ready
                } else if ( jQuery.isFunction( selector ) )
-                       return jQuery( document )[ jQuery.fn.ready ? "ready" : "load" ]( selector );
+                       return jQuery( document ).ready( selector );
+
+               // Make sure that old selector state is passed along
+               if ( selector.selector && selector.context ) {
+                       this.selector = selector.selector;
+                       this.context = selector.context;
+               }
 
                return this.setArray(jQuery.makeArray(selector));
        },
@@ -151,8 +143,6 @@ jQuery.fn = jQuery.prototype = {
        // Determine the position of an element within
        // the matched set of elements
        index: function( elem ) {
-               var ret = -1;
-
                // Locate the position of the desired element
                return jQuery.inArray(
                        // If it receives a jQuery object, the first element is used
@@ -212,20 +202,22 @@ jQuery.fn = jQuery.prototype = {
        },
 
        wrapAll: function( html ) {
-               if ( this[0] )
+               if ( this[0] ) {
                        // The elements to wrap the target around
-                       jQuery( html, this[0].ownerDocument )
-                               .clone()
-                               .insertBefore( this[0] )
-                               .map(function(){
-                                       var elem = this;
+                       var wrap = jQuery( html, this[0].ownerDocument ).clone();
+
+                       if ( this[0].parentNode )
+                               wrap.insertBefore( this[0] );
 
-                                       while ( elem.firstChild )
-                                               elem = elem.firstChild;
+                       wrap.map(function(){
+                               var elem = this;
 
-                                       return elem;
-                               })
-                               .append(this);
+                               while ( elem.firstChild )
+                                       elem = elem.firstChild;
+
+                               return elem;
+                       }).append(this);
+               }
 
                return this;
        },
@@ -272,20 +264,31 @@ jQuery.fn = jQuery.prototype = {
                return this.prevObject || jQuery( [] );
        },
 
+       // For internal use only.
+       // Behaves like an Array's .push method, not like a jQuery method.
+       push: [].push,
+
        find: function( selector ) {
-               var elems = jQuery.map(this, function(elem){
-                       return jQuery.find( selector, elem );
-               });
+               if ( this.length === 1 && !/,/.test(selector) ) {
+                       var ret = this.pushStack( [], "find", selector );
+                       ret.length = 0;
+                       jQuery.find( selector, this[0], ret );
+                       return ret;
+               } else {
+                       var elems = jQuery.map(this, function(elem){
+                               return jQuery.find( selector, elem );
+                       });
 
-               return this.pushStack( /[^+>] [^+>]/.test( selector ) ?
-                       jQuery.unique( elems ) :
-                       elems, "find", selector );
+                       return this.pushStack( /[^+>] [^+>]/.test( selector ) ?
+                               jQuery.unique( elems ) :
+                               elems, "find", selector );
+               }
        },
 
        clone: function( events ) {
                // Do the clone
                var ret = this.map(function(){
-                       if ( jQuery.browser.msie && !jQuery.isXMLDoc(this) ) {
+                       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
@@ -294,33 +297,37 @@ jQuery.fn = jQuery.prototype = {
                                // attributes in IE that are actually only stored
                                // as properties will not be copied (such as the
                                // the name attribute on an input).
-                               var clone = this.cloneNode(true),
-                                       container = document.createElement("div");
-                               container.appendChild(clone);
-                               return jQuery.clean([container.innerHTML])[0];
+                               var html = this.outerHTML;
+                               if ( !html ) {
+                                       var div = this.ownerDocument.createElement("div");
+                                       div.appendChild( this.cloneNode(true) );
+                                       html = div.innerHTML;
+                               }
+
+                               return jQuery.clean([html.replace(/ jQuery\d+="(?:\d+|null)"/g, "").replace(/^\s*/, "")])[0];
                        } else
                                return this.cloneNode(true);
                });
 
-               // Need to set the expando to null on the cloned set if it exists
-               // removeData doesn't work here, IE removes it from the original as well
-               // this is primarily for IE but the data expando shouldn't be copied over in any browser
-               var clone = ret.find("*").andSelf().each(function(){
-                       if ( this[ expando ] !== undefined )
-                               this[ expando ] = null;
-               });
-
                // Copy the events from the original to the clone
-               if ( events === true )
-                       this.find("*").andSelf().each(function(i){
-                               if (this.nodeType == 3)
+               if ( events === true ) {
+                       var orig = this.find("*").andSelf(), i = 0;
+
+                       ret.find("*").andSelf().each(function(){
+                               if ( this.nodeName !== orig[i].nodeName )
                                        return;
-                               var events = jQuery.data( this, "events" );
 
-                               for ( var type in events )
-                                       for ( var handler in events[ type ] )
-                                               jQuery.event.add( clone[ i ], type, events[ type ][ handler ], events[ type ][ handler ].data );
+                               var events = jQuery.data( orig[i], "events" );
+
+                               for ( var type in events ) {
+                                       for ( var handler in events[ type ] ) {
+                                               jQuery.event.add( this, type, events[ type ][ handler ], events[ type ][ handler ].data );
+                                       }
+                               }
+
+                               i++;
                        });
+               }
 
                // Return the cloned set
                return ret;
@@ -333,7 +340,26 @@ jQuery.fn = jQuery.prototype = {
                                return selector.call( elem, i );
                        }) ||
 
-                       jQuery.multiFilter( selector, this ), "filter", selector );
+                       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;
+                               }
+                               cur = cur.parentNode;
+                               closer++;
+                       }
+               });
        },
 
        not: function( selector ) {
@@ -444,7 +470,7 @@ jQuery.fn = jQuery.prototype = {
        html: function( value ) {
                return value === undefined ?
                        (this[0] ?
-                               this[0].innerHTML :
+                               this[0].innerHTML.replace(/ jQuery\d+="(?:\d+|null)"/g, "") :
                                null) :
                        this.empty().append( value );
        },
@@ -472,40 +498,16 @@ jQuery.fn = jQuery.prototype = {
                return this.add( this.prevObject );
        },
 
-       data: function( key, value ){
-               var parts = key.split(".");
-               parts[1] = parts[1] ? "." + parts[1] : "";
-
-               if ( value === undefined ) {
-                       var data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);
-
-                       if ( data === undefined && this.length )
-                               data = jQuery.data( this[0], key );
-
-                       return data == null && parts[1] ?
-                               this.data( parts[0] ) :
-                               data;
-               } else
-                       return this.trigger("setData" + parts[1] + "!", [parts[0], value]).each(function(){
-                               jQuery.data( this, key, value );
-                       });
-       },
-
-       removeData: function( key ){
-               return this.each(function(){
-                       jQuery.removeData( this, key );
-               });
-       },
-
        domManip: function( args, table, callback ) {
                if ( this[0] ) {
-                       var fragment = document.createDocumentFragment(),
-                               scripts = jQuery.clean( args, this[0].ownerDocument, fragment ),
-                               first = fragment.firstChild;
-                       
+                       var fragment = (this[0].ownerDocument || this[0]).createDocumentFragment(),
+                               scripts = jQuery.clean( args, (this[0].ownerDocument || this[0]), fragment ),
+                               first = fragment.firstChild,
+                               extra = this.length > 1 ? fragment.cloneNode(true) : fragment;
+
                        if ( first )
                                for ( var i = 0, l = this.length; i < l; i++ )
-                                       callback.call( root(this[i], first), this.length > 1 ? fragment.cloneNode(true) : fragment );
+                                       callback.call( root(this[i], first), i > 0 ? extra.cloneNode(true) : fragment );
                        
                        if ( scripts )
                                jQuery.each( scripts, evalScript );
@@ -594,9 +596,8 @@ jQuery.extend = jQuery.fn.extend = function() {
        return target;
 };
 
-var expando = "jQuery" + now(), uuid = 0, windowData = {},
-       // exclude the following css properties to add px
-       exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i,
+// 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;
@@ -624,25 +625,23 @@ jQuery.extend({
 
        // check if an element is in a (or is an) XML document
        isXMLDoc: function( elem ) {
-               return elem.documentElement && !elem.body ||
-                       elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
+               return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
+                       !!elem.ownerDocument && jQuery.isXMLDoc( elem.ownerDocument );
        },
 
        // Evalulates a script in a global context
        globalEval: function( data ) {
-               data = jQuery.trim( data );
-
-               if ( data ) {
+               if ( data && /\S/.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.browser.msie )
-                               script.text = data;
-                       else
+                       if ( jQuery.support.scriptEval )
                                script.appendChild( document.createTextNode( data ) );
+                       else
+                               script.text = data;
 
                        // Use insertBefore instead of appendChild  to circumvent an IE6 bug.
                        // This arises when a base node is used (#2709).
@@ -655,74 +654,6 @@ jQuery.extend({
                return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
        },
 
-       cache: {},
-
-       data: function( elem, name, data ) {
-               elem = elem == window ?
-                       windowData :
-                       elem;
-
-               var id = elem[ expando ];
-
-               // Compute a unique ID for the element
-               if ( !id )
-                       id = elem[ expando ] = ++uuid;
-
-               // Only generate the data cache if we're
-               // trying to access or manipulate it
-               if ( name && !jQuery.cache[ id ] )
-                       jQuery.cache[ id ] = {};
-
-               // Prevent overriding the named cache with undefined values
-               if ( data !== undefined )
-                       jQuery.cache[ id ][ name ] = data;
-
-               // Return the named cache data, or the ID for the element
-               return name ?
-                       jQuery.cache[ id ][ name ] || null :
-                       id;
-       },
-
-       removeData: function( elem, name ) {
-               elem = elem == window ?
-                       windowData :
-                       elem;
-
-               var id = elem[ expando ];
-
-               // If we want to remove a specific section of the element's data
-               if ( name ) {
-                       if ( jQuery.cache[ id ] ) {
-                               // Remove the section of cache data
-                               delete jQuery.cache[ id ][ name ];
-
-                               // If we've removed all the data, remove the element's cache
-                               name = "";
-
-                               for ( name in jQuery.cache[ id ] )
-                                       break;
-
-                               if ( !name )
-                                       jQuery.removeData( elem );
-                       }
-
-               // Otherwise, we want to remove all of the element's data
-               } else {
-                       // Clean up the element expando
-                       try {
-                               delete elem[ expando ];
-                       } catch(e){
-                               // IE has trouble directly removing the expando
-                               // but it's ok with using removeAttribute
-                               if ( elem.removeAttribute )
-                                       elem.removeAttribute( expando );
-                       }
-
-                       // Completely remove the data cache
-                       delete jQuery.cache[ id ];
-               }
-       },
-
        // args is for internal usage only
        each: function( object, callback, args ) {
                var name, i = 0, length = object.length;
@@ -783,7 +714,7 @@ jQuery.extend({
 
                // internal only, use hasClass("class")
                has: function( elem, className ) {
-                       return jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
+                       return elem && jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
                }
        },
 
@@ -831,30 +762,14 @@ jQuery.extend({
        curCSS: function( elem, name, force ) {
                var ret, style = elem.style;
 
-               // A helper method for determining if an element's values are broken
-               function color( elem ) {
-                       if ( !jQuery.browser.safari )
-                               return false;
-
-                       // defaultView is cached
-                       var ret = defaultView.getComputedStyle( elem, null );
-                       return !ret || ret.getPropertyValue("color") == "";
-               }
-
                // We need to handle opacity special in IE
-               if ( name == "opacity" && jQuery.browser.msie ) {
+               if ( name == "opacity" && !jQuery.support.opacity ) {
                        ret = jQuery.attr( style, "opacity" );
 
                        return ret == "" ?
                                "1" :
                                ret;
                }
-               // Opera sometimes will give the wrong display answer, this fixes it, see #2037
-               if ( jQuery.browser.opera && name == "display" ) {
-                       var save = style.outline;
-                       style.outline = "0 solid black";
-                       style.outline = save;
-               }
 
                // Make sure we're using the right name for getting the float value
                if ( name.match( /float/i ) )
@@ -873,38 +788,9 @@ jQuery.extend({
 
                        var computedStyle = defaultView.getComputedStyle( elem, null );
 
-                       if ( computedStyle && !color( elem ) )
+                       if ( computedStyle )
                                ret = computedStyle.getPropertyValue( name );
 
-                       // If the element isn't reporting its values properly in Safari
-                       // then some display: none elements are involved
-                       else {
-                               var swap = [], stack = [], a = elem, i = 0;
-
-                               // Locate all of the parent display: none elements
-                               for ( ; a && color(a); a = a.parentNode )
-                                       stack.unshift(a);
-
-                               // Go through and make them visible, but in reverse
-                               // (It would be better if we knew the exact display type that they had)
-                               for ( ; i < stack.length; i++ )
-                                       if ( color( stack[ i ] ) ) {
-                                               swap[ i ] = stack[ i ].style.display;
-                                               stack[ i ].style.display = "block";
-                                       }
-
-                               // Since we flip the display style, we have to handle that
-                               // one special, otherwise get the value
-                               ret = name == "display" && swap[ stack.length - 1 ] != null ?
-                                       "none" :
-                                       ( computedStyle && computedStyle.getPropertyValue( name ) ) || "";
-
-                               // Finally, revert the display styles back
-                               for ( i = 0; i < swap.length; i++ )
-                                       if ( swap[ i ] != null )
-                                               stack[ i ].style.display = swap[ i ];
-                       }
-
                        // We should always get a number back from opacity
                        if ( name == "opacity" && ret == "" )
                                ret = "1";
@@ -940,13 +826,22 @@ jQuery.extend({
        },
 
        clean: function( elems, context, fragment ) {
-               var ret = [], 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;
 
+               // 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] ) ];
+               }
+
+               var ret = [], scripts = [], div = context.createElement("div");
+
                jQuery.each(elems, function(i, elem){
                        if ( typeof elem === "number" )
                                elem += '';
@@ -964,7 +859,7 @@ jQuery.extend({
                                });
 
                                // Trim whitespace, otherwise indexOf won't work as expected
-                               var tags = jQuery.trim( elem ).toLowerCase(), div = context.createElement("div");
+                               var tags = elem.replace(/^\s+/, "").substring(0, 10).toLowerCase();
 
                                var wrap =
                                        // option or optgroup
@@ -988,7 +883,7 @@ jQuery.extend({
                                        [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ] ||
 
                                        // IE can't serialize <link> and <script> tags normally
-                                       jQuery.browser.msie &&
+                                       !jQuery.support.htmlSerialize &&
                                        [ 1, "div<div>", "</div>" ] ||
 
                                        [ 0, "", "" ];
@@ -1001,14 +896,15 @@ jQuery.extend({
                                        div = div.lastChild;
 
                                // Remove IE's autoinserted <tbody> from table fragments
-                               if ( jQuery.browser.msie ) {
+                               if ( !jQuery.support.tbody ) {
 
                                        // String was a <table>, *may* have spurious <tbody>
-                                       var tbody = !tags.indexOf("<table") && tags.indexOf("<tbody") < 0 ?
-                                               div.firstChild && div.firstChild.childNodes :
+                                       var hasBody = /<tbody/i.test(elem),
+                                               tbody = !tags.indexOf("<table") && !hasBody ?
+                                                       div.firstChild && div.firstChild.childNodes :
 
                                                // String was a bare <thead> or <tfoot>
-                                               wrap[1] == "<table>" && tags.indexOf("<tbody") < 0 ?
+                                               wrap[1] == "<table>" && !hasBody ?
                                                        div.childNodes :
                                                        [];
 
@@ -1016,21 +912,12 @@ jQuery.extend({
                                                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 ( /^\s/.test( elem ) )
-                                               div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild );
-
-                               }
-                               
-                               if ( fragment ) {
-                                       var found = div.getElementsByTagName("script");
-                       
-                                       while ( found.length ) {
-                                               scripts.push( found[0] );
-                                               found[0].parentNode.removeChild( found[0] );
                                        }
-                               }
 
+                               // IE completely kills leading whitespace when innerHTML is used
+                               if ( !jQuery.support.leadingWhitespace && /^\s/.test( elem ) )
+                                       div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild );
+                               
                                elem = jQuery.makeArray( div.childNodes );
                        }
 
@@ -1040,14 +927,14 @@ jQuery.extend({
                                ret = jQuery.merge( ret, elem );
 
                });
-               
+
                if ( fragment ) {
                        for ( var i = 0; ret[i]; i++ ) {
-                               if ( jQuery.nodeName( ret[i], "script" ) ) {
-                                       ret[i].parentNode.removeChild( ret[i] );
+                               if ( 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 = jQuery.merge( ret, ret[i].getElementsByTagName("script"));
+                                               ret.splice.apply( ret, [i + 1, 0].concat(jQuery.makeArray(ret[i].getElementsByTagName("script"))) );
                                        fragment.appendChild( ret[i] );
                                }
                        }
@@ -1065,8 +952,7 @@ jQuery.extend({
 
                var notxml = !jQuery.isXMLDoc( elem ),
                        // Whether we are setting (or getting)
-                       set = value !== undefined,
-                       msie = jQuery.browser.msie;
+                       set = value !== undefined;
 
                // Try to normalize/fix the name
                name = notxml && jQuery.props[ name ] || name;
@@ -1080,7 +966,7 @@ jQuery.extend({
 
                        // Safari mis-reports the default selected property of a hidden option
                        // Accessing the parent's selectedIndex property fixes it
-                       if ( name == "selected" && jQuery.browser.safari )
+                       if ( name == "selected" && elem.parentNode )
                                elem.parentNode.selectedIndex;
 
                        // If applicable, access the attribute via the DOM 0 way
@@ -1097,17 +983,30 @@ jQuery.extend({
                                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
+                                               : elem.nodeName.match(/(button|input|object|select|textarea)/i)
+                                                       ? 0
+                                                       : elem.nodeName.match(/^(a|area)$/i) && elem.href
+                                                               ? 0
+                                                               : undefined;
+                               }
+
                                return elem[ name ];
                        }
 
-                       if ( msie && notxml &&  name == "style" )
+                       if ( !jQuery.support.style && notxml &&  name == "style" )
                                return jQuery.attr( elem.style, "cssText", value );
 
                        if ( set )
                                // convert the value to a string (all browsers do this but IE) see #1070
                                elem.setAttribute( name, "" + value );
 
-                       var attr = msie && notxml && special
+                       var attr = !jQuery.support.hrefNormalized && notxml && special
                                        // Some attributes require a special call on IE
                                        ? elem.getAttribute( name, 2 )
                                        : elem.getAttribute( name );
@@ -1119,7 +1018,7 @@ jQuery.extend({
                // elem is actually elem.style ... set the style
 
                // IE uses filters for opacity
-               if ( msie && name == "opacity" ) {
+               if ( !jQuery.support.opacity && name == "opacity" ) {
                        if ( set ) {
                                // IE has trouble with opacity if it does not have layout
                                // Force it by setting the zoom level
@@ -1180,13 +1079,13 @@ jQuery.extend({
                var i = 0, elem, pos = first.length;
                // Also, we need to make sure that the correct elements are being returned
                // (IE returns comment nodes in a '*' query)
-               if ( jQuery.browser.msie ) {
-                       while ( (elem = second[ i++ ]) )
+               if ( !jQuery.support.getAll ) {
+                       while ( (elem = second[ i++ ]) != null )
                                if ( elem.nodeType != 8 )
                                        first[ pos++ ] = elem;
 
                } else
-                       while ( (elem = second[ i++ ]) )
+                       while ( (elem = second[ i++ ]) != null )
                                first[ pos++ ] = elem;
 
                return first;
@@ -1241,6 +1140,10 @@ jQuery.extend({
        }
 });
 
+// Use of jQuery.browser is deprecated.
+// It's included for backwards compatibility and plugins,
+// although they should work to migrate away.
+
 var userAgent = navigator.userAgent.toLowerCase();
 
 // Figure out what browser is being used
@@ -1252,27 +1155,6 @@ jQuery.browser = {
        mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
 };
 
-var styleFloat = jQuery.browser.msie ?
-       "styleFloat" :
-       "cssFloat";
-
-jQuery.extend({
-       // Check to see if the W3C box model is being used
-       boxModel: !jQuery.browser.msie || document.compatMode == "CSS1Compat",
-
-       props: {
-               "for": "htmlFor",
-               "class": "className",
-               "float": styleFloat,
-               cssFloat: styleFloat,
-               styleFloat: styleFloat,
-               readonly: "readOnly",
-               maxlength: "maxLength",
-               cellspacing: "cellSpacing",
-               rowspan: "rowSpan"
-       }
-});
-
 jQuery.each({
        parent: function(elem){return elem.parentNode;},
        parents: function(elem){return jQuery.dir(elem,"parentNode");},
@@ -1326,12 +1208,14 @@ jQuery.each({
                jQuery.className.remove( this, classNames );
        },
 
-       toggleClass: function( classNames ) {
-               jQuery.className[ jQuery.className.has( this, classNames ) ? "remove" : "add" ]( this, classNames );
+       toggleClass: function( classNames, state ) {
+               if( typeof state !== "boolean" )
+                       state = !jQuery.className.has( this, classNames );
+               jQuery.className[ state ? "add" : "remove" ]( this, classNames );
        },
 
        remove: function( selector ) {
-               if ( !selector || jQuery.filter( selector, [ this ] ).r.length ) {
+               if ( !selector || jQuery.filter( selector, [ this ] ).length ) {
                        // Prevent memory leaks
                        jQuery( "*", this ).add([this]).each(function(){
                                jQuery.event.remove(this);
@@ -1356,39 +1240,6 @@ jQuery.each({
        };
 });
 
-jQuery.each([ "Height", "Width" ], function(i, name){
-       var type = name.toLowerCase();
-
-       jQuery.fn[ type ] = function( size ) {
-               // Get window width or height
-               return this[0] == window ?
-                       // Opera reports document.body.client[Width/Height] properly in both quirks and standards
-                       jQuery.browser.opera && document.body.parentNode[ "client" + name ] ||
-
-                       // Safari reports inner[Width/Height] just fine (Mozilla and Opera include scroll bar widths)
-                       jQuery.browser.safari && window[ "inner" + name ] ||
-
-                       // Everyone else use document.documentElement or document.body depending on Quirks vs Standards mode
-                       document.compatMode == "CSS1Compat" && document.documentElement[ "client" + name ] || document.body[ "client" + name ] :
-
-                       // Get document width or height
-                       this[0] == document ?
-                               // Either scroll[Width/Height] or offset[Width/Height], whichever is greater
-                               Math.max(
-                                       Math.max(document.body["scroll" + name], document.documentElement["scroll" + name]),
-                                       Math.max(document.body["offset" + name], document.documentElement["offset" + name])
-                               ) :
-
-                               // Get or set width or height on the element
-                               size === undefined ?
-                                       // Get width or height on the element
-                                       (this.length ? jQuery.css( this[0], type ) : null) :
-
-                                       // Set the width or height on the element (default to pixels if value is unitless)
-                                       this.css( type, typeof size === "string" ? size : size + "px" );
-       };
-});
-
 // Helper function used by the dimensions and offset modules
 function num(elem, prop) {
        return elem[0] && parseInt( jQuery.curCSS(elem[0], prop, true), 10 ) || 0;