web api instance method
MediaKeyStatusMap: has() method
Secure context
The has() method 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
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.