Fixed #3841 - check for $.isFunction before trigger

jquery · Jan 16, 2009 · 9d3b03d · 9d3b03d
1 parent 2809d50
commit 9d3b03d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ui/ui.core.js b/ui/ui.core.js
@@ -375,7 +375,7 @@ $.widget.prototype = {
 
 		this.element.trigger(event, data);
 
-		return !(callback && callback.call(this.element[0], event, data) === false
+		return !($.isFunction(callback) && callback.call(this.element[0], event, data) === false
 			|| event.isDefaultPrevented());
 	}
 };