[саша55555]

Вот код

button1.addEventListener(MouseEvent.CLICK, onButton);
stage.addEventListener(KeyboardEvent.KEY_UP, onButton);
 
function onButton(e:Event):void {
    if (e is MouseEvent) {
           if (e.target == button1) buttonAction();
    } else if (e is KeyboardEvent) {
        var keyboardEvent:KeyboardEvent = e as KeyboardEvent;
        if (keyboardEvent.keyCode == Keyboard.ENTER) {
             buttonAction();
        }
    }
}
function buttonAction():void {
     button1.dispatchEvent(new MouseEvent(MouseEvent.CLICK));
	 }