/Web APIs

KeyboardLayoutMap: has() method

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The has() method of the KeyboardLayoutMap interface returns a boolean indicating whether the object has an element with the specified key.

A list of valid keys is found in the UI Events KeyboardEvent code Values spec.






The key of an element to search for in the map.

Return value

A Boolean indicating whether the specified key was found.


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has 69 79 No No 56 No 69 69 No 48 No 10.0

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