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MediaKeyStatusMap.has()

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This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

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

Boolean.

Specifications

Specification Status Comment
Encrypted Media Extensions Working Draft Initial definition.

Browser Compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 42.0 ? ? 29 ?
Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support No support 43.0 ? ? ? 29 ? 42.0

Document Tags and Contributors

 Contributors to this page: jpmedley
 Last updated by: jpmedley,