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-rw-r--r--ui/jquery.ui.selectmenu.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/ui/jquery.ui.selectmenu.js b/ui/jquery.ui.selectmenu.js
index 7cc8b9191..d37f50b17 100644
--- 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 );