No need to run trim on every class iteration in addClass, thanks for the heads-up...

[jquery.git] / src / attributes.js

diff --git a/src/attributes.js b/src/attributes.js
index 3e4c5f2..4f7055a 100644 (file)
--- a/src/attributes.js
+++ b/src/attributes.js
@@ -40,12 +40,13 @@ jQuery.fn.extend({
                                                elem.className = value;
 
                                        } else {
-                                               var className = " " + elem.className + " ";
+                                               var className = " " + elem.className + " ", setClass = elem.className;
                                                for ( var c = 0, cl = classNames.length; c < cl; c++ ) {
                                                        if ( className.indexOf( " " + classNames[c] + " " ) < 0 ) {
-                                                               elem.className = jQuery.trim( elem.className + " " + classNames[c] );
+                                                               setClass += " " + classNames[c];
                                                        }
                                                }
+                                               elem.className = jQuery.trim( setClass );
                                        }
                                }
                        }