X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fjquery%2Fjquery.js;h=e48f721a0b956485c36f61e090e19ef7516a3b36;hb=7a724180a726c7b041d87494a4cf8780fc90e216;hp=177d86bf7aae88b98ed7a5b320bf4ec04a936754;hpb=6ac46e6a5a6cac509626267865980f4dfbeebc2d;p=jquery.git

diff --git a/src/jquery/jquery.js b/src/jquery/jquery.js
index 177d86b..e48f721 100644
--- a/src/jquery/jquery.js
+++ b/src/jquery/jquery.js
@@ -390,7 +390,7 @@ jQuery.fn = jQuery.prototype = {
 	 */
 	attr: function( key, value, type ) {
 		// Check to see if we're setting style values
-		return key.constructor != String || value != undefined ?
+		return typeof key != "string" || value != undefined ?
 			this.each(function(){
 				// See if we're setting a hash of styles
 				if ( value == undefined )
@@ -1029,8 +1029,8 @@ jQuery.fn = jQuery.prototype = {
 	 * @cat Core
 	 */
 	pushStack: function(a,args) {
-		var fn = args && args[args.length-1];
-		var fn2 = args && args[args.length-2];
+		var fn = args && args.length > 1 && args[args.length-1];
+		var fn2 = args && args.length > 2 && args[args.length-2];
 		
 		if ( fn && fn.constructor != Function ) fn = null;
 		if ( fn2 && fn2.constructor != Function ) fn2 = null;
@@ -1456,7 +1456,7 @@ jQuery.extend({
 		// Set the correct context (if none is provided)
 		context = context || document;
 
-		if ( t.constructor != String ) return [t];
+		if ( typeof t != "string" ) return [t];
 
 		if ( !t.indexOf("//") ) {
 			context = context.documentElement;
@@ -1645,7 +1645,7 @@ jQuery.extend({
 			// Otherwise, find the expression to execute
 			else {
 				var f = jQuery.expr[m[1]];
-				if ( f.constructor != String )
+				if ( typeof f != "string" )
 					f = jQuery.expr[m[1]][m[2]];
 
 				// Build a custom macro to enclose it