X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=65532584788b9ab250c57f3d0564b99e806fc6b4;hb=96dd06ea50674c77de4a5d953c227bb54d9276af;hp=c8b5a46daa020687de1d9b822487d54232ffac49;hpb=569c8b45c0d301663f3f6c88b606d199fc78ec1a;p=jquery.git diff --git a/src/core.js b/src/core.js index c8b5a46..6553258 100644 --- a/src/core.js +++ b/src/core.js @@ -31,6 +31,9 @@ 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(), @@ -41,13 +44,18 @@ var jQuery = function( selector, context ) { 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 +73,19 @@ 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 {