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
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