This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for the proper prefixes to use 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 spec changes.

The MediaKeySystemConfiguration.persistentState read-only property indicates whether the ability to persist state is required.


var <var>persistentState</var> = <var>mediaSystemConfiguration</var>.persistentSTate;


Specification Status Comment
Encrypted Media Extensions
The definition of 'persistentState' in that specification.
Working Draft Initial definition

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 42.0 ? ? ? ?
Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support Not supported 43.0 ? ? ? ? ? 42.0


© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.

API EncryptedMediaExtensions Media MediaKeySystemConfiguration NeedsExample persistentState Property Reference Video