Effects: Backporting e8ba367 to 1-8-stable - Fixes #8113 - addClass n…

…ot animating
jquery · Mar 27, 2012 · e220cf2 · e220cf2
1 parent 090ce43
commit e220cf2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ui/jquery.effects.core.js b/ui/jquery.effects.core.js
@@ -236,7 +236,7 @@ $.effects.animateClass = function(value, duration, easing, callback) {
 			originalStyleAttr = that.attr('style') || ' ',
 			originalStyle = filterStyles(getElementStyles.call(this)),
 			newStyle,
-			className = that.attr('class');
+			className = that.attr('class') || "";
 
 		$.each(classAnimationActions, function(i, action) {
 			if (value[action]) {