MediaKeyStatusMap: has() method
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
The has()
method of the
MediaKeyStatusMap
interface returns a Boolean
, asserting
whether a value has been associated with the given key.
Syntax
js
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
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