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

var boolean = mediaKeyStatusMap(key)

Parameters

key

The key whose value you want returned

Returns

A Boolean.

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
has
42
13
45
No
29
12.1
43
42
45
29
12.2
4.0

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https://developer.mozilla.org/en-US/docs/Web/API/MediaKeyStatusMap/has