X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcore.js;h=23b96442e961a929e01fd6f69a1a7eeb46817406;hb=957cd6fb2a2b7b8cfe9ac6b3f2b3cc2bc8163449;hp=5f2cf20b909829f3bc18d4154f6aed4e30e7a944;hpb=18a6fbbb6ab0bdabbbd377d23385650e45c30e74;p=jquery.git

diff --git a/src/core.js b/src/core.js
index 5f2cf20..23b9644 100644
--- a/src/core.js
+++ b/src/core.js
@@ -39,15 +39,14 @@ var jQuery = function( selector, context ) {
 	push = Array.prototype.push,
 	slice = Array.prototype.slice;
 
-// Expose jQuery to the global object
-window.jQuery = window.$ = jQuery;
-
 jQuery.fn = jQuery.prototype = {
 	init: function( selector, context ) {
 		var match, elem, ret;
 
 		// Handle $(""), $(null), or $(undefined)
-		if ( !selector ) return this;
+		if ( !selector ) {
+			return this;
+		}
 
 		// Handle $(DOMElement)
 		if ( selector.nodeType ) {
@@ -75,7 +74,9 @@ jQuery.fn = jQuery.prototype = {
 					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 );
+						if ( elem.id !== match[2] ) {
+							return rootjQuery.find( selector );
+						}
 
 						// Otherwise, we inject the element directly into the jQuery object
 						this.length++;
@@ -315,7 +316,7 @@ 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";
+		return ((elem ? elem.ownerDocument || elem : 0).documentElement || 0).nodeName !== "HTML";
 	},
 
 	// Evalulates a script in a global context