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.

Syntax

js

has(key)

Parameters

key

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

Return value

A Boolean indicating whether the specified key was found.

Specifications

No specification found

No specification data found for api.KeyboardLayoutMap.has.
Check for problems with this page or contribute a missing spec_url to mdn/browser-compat-data. Also make sure the specification is included in w3c/browser-specs.

Browser compatibility

BCD tables only load in the browser