diff options
-rw-r--r-- | ui/jquery.ui.menu.js | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ui/jquery.ui.menu.js b/ui/jquery.ui.menu.js index 5e44e81c4..c0222629d 100644 --- a/ui/jquery.ui.menu.js +++ b/ui/jquery.ui.menu.js @@ -389,7 +389,7 @@ $.widget( "ui.menu", { } nested = item.children( ".ui-menu" ); - if ( nested.length && ( /^mouse/.test( event.type ) ) ) { + if ( nested.length && event && ( /^mouse/.test( event.type ) ) ) { this._startOpening(nested); } this.activeMenu = item.parent(); |