Added a fix for bug #2140. Opera doesn't like concating null or undef…

…ined values.
jquery · Jan 14, 2008 · 709df933049ccce53d0b6bb510ad9c39fd6304fe · 709df93
1 parent 5974495
commit 709df933049ccce53d0b6bb510ad9c39fd6304fe
Unified Split

Showing with 1 addition and 1 deletion.

+1 −1 src/event.js
diff --git a/src/event.js b/src/event.js
@@ -207,7 +207,7 @@ jQuery.event = {
 			// Handle triggering of extra function
 			if ( extra && jQuery.isFunction( extra ) ) {
 				// call the extra function and tack the current return value on the end for possible inspection
-				ret = extra.apply( elem, data.concat( val ) );
+				ret = extra.apply( elem, val == null ? data : data.concat( val ) );
 				// if anything is returned, give it precedence and have it overwrite the previous value
 				if (ret !== undefined)
 					val = ret;