Definition
Touch Events - Level 2 defines TouchEvent
[Exposed=Window]
interface TouchEvent : UIEvent {
constructor(DOMString type, optional TouchEventInit eventInitDict = {});
readonly attribute TouchList touches;
readonly attribute TouchList targetTouches;
readonly attribute TouchList changedTouches;
readonly attribute boolean altKey;
readonly attribute boolean metaKey;
readonly attribute boolean ctrlKey;
readonly attribute boolean shiftKey;
getter boolean getModifierState (DOMString keyArg);
};