MediaKeyStatusMap.has()
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The has property of the
MediaKeyStatusMap interface returns a Boolean, asserting
whether a value has been associated with the given key.
Syntax
has(key)
Parameters
key-
The key whose value you want returned
Return value
A Boolean.
Specifications
| Specification |
|---|
| Encrypted Media Extensions # dom-mediakeystatusmap-has |
Browser compatibility
BCD tables only load in the browser