The KeyboardEvent location property is used for returning a number that indicates the location of a key on the keyboard or device.
The KeyboardEvent location property can be used on the onkeydown and onkeyup events but not on onkeypress.
The number returned by KeyboardEvent location property is represented by 4 constants:
|0||DOM_KEY_LOCATION_STANDARD||This value represents almost every key on the keyboard, e.g. “B”, “R”, “SPACE” or “8”.|
|1||DOM_KEY_LOCATION_LEFT||This value represents a left key, e.g. the left “CTRL” key or left “ALT” key.|
|2||DOM_KEY_LOCATION_RIGHT||This value represents a right key, e.g. the right “CTRL” key or right “ALT” key.|
|3||DOM_KEY_LOCATION_NUMPAD||This value represents a numeric key or a numpad key.|
Below program illustrates the KeyboardEvent location property :
Example-1: Getting the location of a key.
Before pressing a button:
After pressing a button:
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