type string - undefined, mouseDown, mouseUp, mouseMove, mouseEnter, mouseLeave, contextMenu, mouseWheel, rawKeyDown, keyDown, keyUp, char, gestureScrollBegin, gestureScrollEnd, gestureScrollUpdate, gestureFlingStart, gestureFlingCancel, gesturePinchBegin, gesturePinchEnd, gesturePinchUpdate, gestureTapDown, gestureShowPress, gestureTap, gestureTapCancel, gestureShortPress, gestureLongPress, gestureLongTap, gestureTwoFingerTap, gestureTapUnconfirmed, gestureDoubleTap, touchStart, touchMove, touchEnd, touchCancel, touchScrollStarted, pointerDown, pointerUp, pointerMove, pointerRawUpdate, pointerCancel, または pointerCausedUaAction のいずれかです。modifiers string[] (オプション) - イベントの修飾子の配列。shift、control、ctrl、alt、meta、command、cmd、isKeypad、isAutoRepeat、leftButtonDown、middleButtonDown、rightButtonDown、capsLock、numLock、left、right のいずれかです。