ContextualMenu: Prevent default when handling keydown events (#836)

* Prevent default when handling keydown events * Update ContextualMenu.tsx
microsoft · Jan 26, 2017 · 179d155 · 179d155
1 parent b1d64a0
commit 179d155
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/packages/office-ui-fabric-react/src/components/ContextualMenu/ContextualMenu.tsx b/packages/office-ui-fabric-react/src/components/ContextualMenu/ContextualMenu.tsx
@@ -459,6 +459,7 @@ export class ContextualMenu extends BaseComponent<IContextualMenuProps, IContext
 
     if (ev.which === openKey) {
       this._onItemSubMenuExpand(item, ev.currentTarget as HTMLElement);
+      ev.preventDefault();
     }
   }