X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=aeae874c0e271d53fa1daf1ce15486b67a836f3b;hb=9e1a955aab953d778e8d8a8c05e13135e87f3e46;hp=890e9a2df87c15d40b7299ca9144ac531cd6a910;hpb=bddd1837bb512b0ed537fbbdecf3ac3f6067adba;p=jquery.git diff --git a/src/core.js b/src/core.js index 890e9a2..aeae874 100644 --- a/src/core.js +++ b/src/core.js @@ -31,23 +31,32 @@ var jQuery = function( selector, context ) { // Used for trimming whitespace rtrim = /^\s+|\s+$/g, + // Match a standalone tag + rsingleTag = /^<(\w+)\s*\/?>$/, + // Keep a UserAgent string for use with jQuery.browser userAgent = navigator.userAgent.toLowerCase(), // Save a reference to some core methods toString = Object.prototype.toString, push = Array.prototype.push, - slice = Array.prototype.slice; + slice = Array.prototype.slice, + indexOf = Array.prototype.indexOf; jQuery.fn = jQuery.prototype = { init: function( selector, context ) { - var match, elem, ret; + var match, elem, ret, doc; // Handle $(""), $(null), or $(undefined) if ( !selector ) { return this; } + // $("body"): Shortcut for quickly finding the body element + if ( selector === "body" && !context && document.body ) { + selector = document.body; + } + // Handle $(DOMElement) if ( selector.nodeType ) { this.context = this[0] = selector; @@ -65,7 +74,19 @@ jQuery.fn = jQuery.prototype = { // HANDLE: $(html) -> $(array) if ( match[1] ) { - selector = jQuery.clean( [ match[1] ], context ); + 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 ) { + selector = [ doc.createElement( ret[1] ) ]; + + } else { + ret = buildFragment( [ match[1] ], [ doc ] ); + selector = (ret.cacheable ? ret.fragment.cloneNode(true) : ret.fragment).childNodes; + } // HANDLE: $("#id") } else { @@ -88,6 +109,12 @@ jQuery.fn = jQuery.prototype = { return this; } + // HANDLE: $("TAG") + } else if ( !context && /^\w+$/.test( selector ) ) { + this.selector = selector; + this.context = document; + selector = document.getElementsByTagName( selector ); + // HANDLE: $(expr, $(...)) } else if ( !context || context.jquery ) { return (context || rootjQuery).find( selector ); @@ -104,8 +131,7 @@ jQuery.fn = jQuery.prototype = { 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; } @@ -316,7 +342,8 @@ jQuery.extend({ isXMLDoc: function( elem ) { // documentElement is verified for cases where it doesn't yet exist // (such as loading iframes in IE - #4833) - return ((elem.ownerDocument || elem).documentElement || 0).nodeName !== "HTML"; + var documentElement = (elem ? elem.ownerDocument || elem : 0).documentElement; + return documentElement ? documentElement.nodeName !== "HTML" : false; }, // Evalulates a script in a global context @@ -501,6 +528,12 @@ jQuery.extend({ } }); +if ( indexOf ) { + jQuery.inArray = function( elem, array ) { + return indexOf.call( array, elem ); + }; +} + // All jQuery objects should point back to these rootjQuery = jQuery(document); @@ -520,6 +553,36 @@ function evalScript( i, elem ) { } } +// 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 ) { + var l = elems.length; + + // Setting many attributes + if ( typeof key === "object" ) { + for (var k in key) { + access(elems, k, key[k], exec, fn); + } + return elems; + } + + // Setting one attribute + if (value !== undefined) { + // Optionally, function values get executed if exec is true + exec = exec && jQuery.isFunction(value); + + for (var i = 0; i < l; i++) { + var elem = elems[i], + val = exec ? value.call(elem, i) : value; + fn(elem, key, val); + } + return elems; + } + + // Getting an attribute + return l ? fn(elems[0], key) : null; +} + function now() { return (new Date).getTime(); }