TouchEvent altKey Property
Example
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!");
}
Try it Yourself »
Definition and Usage
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.
Browser Support
| Property | |||||
|---|---|---|---|---|---|
| altKey | 22 | yes | 52 | Not supported | Not supported |
Syntax
event.altKey
Technical Details
| Return Value: |
A Boolean, indicating whether the "ALT" key was pressed when the
touch event occurred.
Possible values:
|
|---|
Related Pages
HTML DOM reference: MouseEvent altKey Property
HTML DOM reference: TouchEvent ctrlKey Property
HTML DOM reference: TouchEvent metaKey Property
HTML DOM reference: TouchEvent shiftKey Property
