X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=a86ef8dfbf23624233a8aa0bc91c9f137784103d;hb=99101e02f957087410cc0b5837ef09e3dfa12466;hp=a6d4c5f74b2a8ee97bbd51fb3ccf11d6278a1737;hpb=487567e82fed4f596b5f97bfbcd5c2429ca35bb0;p=jquery.git

diff --git a/src/core.js b/src/core.js
index a6d4c5f..a86ef8d 100644
--- a/src/core.js
+++ b/src/core.js
@@ -24,7 +24,10 @@ var jQuery = window.jQuery = window.$ = function( selector, context ) {
 var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#(\w+)$/,
 
 // Is it a simple selector
-	isSimple = /^.[^:#\[\.]*$/;
+	isSimple = /^.[^:#\[\.]*$/,
+
+// Will speed up references to undefined, and allows munging its name.	
+	undefined;
 
 jQuery.fn = jQuery.prototype = {
 	init: function( selector, context ) {
@@ -1174,7 +1177,7 @@ jQuery.extend({
 		// 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 ) || inv && !callback( elems[ i ], i ) )
+			if ( !inv != !callback( elems[ i ], i ) )
 				ret.push( elems[ i ] );
 
 		return ret;