null
if (this.disabled)
event.preventDefault();
this.selectedItem = this.focusedItem;
this.selectedItem.doCommand();
this.checkAdjacentElement(false);
event.preventBubble();
this.checkAdjacentElement(false);
event.preventBubble();
this.checkAdjacentElement(true);
event.preventBubble();
this.checkAdjacentElement(true);
event.preventBubble();
this.removeAttribute("focused");
this.focusedItem = null;