TouchEvent altKey Property

Find out whether or not the "ALT" key was pressed when you touch the screen:

if (event.altKey) {
alert("The ALT key was pressed!");
} else {
alert("The ALT key was NOT pressed!");
}

Description

The altKey property returns a Boolean value that indicates whether or not the "ALT" key was pressed when a touch event was triggered.

Note: Many touch devices do not have an "ALT" key, and will therefore always return false.

Note: This property is read-only.

Property
altKey	22	yes	52	Not supported	Not supported

event.altKey

Return Value:	A Boolean, indicating whether the "ALT" key was pressed when the touch event occurred. Possible values: true - The alt key was pressed false - The alt key was not pressed

Return Value:

A Boolean, indicating whether the "ALT" key was pressed when the touch event occurred.

Possible values: