X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;f=src%2Fattributes.js;h=3e4c5f21629776a5f4e5bdf33699790c8761483b;hb=726fda08bea7bbd72d73be4563aba855c63966fe;hp=d217793cce4343f870c958f17b0fac9fc76cc177;hpb=8a66a30fece5db98a5f606b11c15fef1016d045a;p=jquery.git

diff --git a/src/attributes.js b/src/attributes.js
index d217793..3e4c5f2 100644
--- a/src/attributes.js
+++ b/src/attributes.js
@@ -43,7 +43,7 @@ jQuery.fn.extend({
 						var className = " " + elem.className + " ";
 						for ( var c = 0, cl = classNames.length; c < cl; c++ ) {
 							if ( className.indexOf( " " + classNames[c] + " " ) < 0 ) {
-								elem.className += " " + classNames[c];
+								elem.className = jQuery.trim( elem.className + " " + classNames[c] );
 							}
 						}
 					}