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
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