JavaScript KeyboardEvent altKey Property
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JavaScript KeyboardEvent altKey Property
The event.altKey property indicates whether the alt key was pressed or not when the event occured.
Note: This property is read-only.
Example
HTML Online Editor
<!DOCTYPE html>
<html>
<body onkeydown="myFunction(event)">
<script>
function myFunction(e){
if(e.altKey)
alert("altKey was Pressed");
else
alert("altKey was not Pressed");
}
</script>
</body>
</html>
Syntax
event.altKey
Return Values
| Value | Explanation |
|---|---|
| true | If the alt key was pressed. |
| false | If the alt key was not pressed. |
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