Selectmenu: use that.focusIndex != null instead of !== undefined when checking first...

diff --git a/ui/jquery.ui.selectmenu.js b/ui/jquery.ui.selectmenu.js
index 7cc8b9191cef1256957d37a51d6ba9baf8bf980c..d37f50b17dc35ab67a51691399e3de4be5b45c75 100644 (file)
--- a/ui/jquery.ui.selectmenu.js
+++ b/ui/jquery.ui.selectmenu.js
@@ -133,7 +133,7 @@ $.widget( "ui.selectmenu", {
                                var item = ui.item.data( "ui-selectmenu-item" );
 
                                // prevent inital focus from firing and checks if its a newly focused item
-                               if ( that.focusIndex !== undefined && item.index !== that.focusIndex ) {
+                               if ( that.focusIndex != null && item.index !== that.focusIndex ) {
                                        that._trigger( "focus", event, { item: item } );
                                        if ( !that.isOpen ) {
                                                that._select( item, event );