On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 52 on 2016-07-20
In Chrome Android version 52 on 2016-07-27
In Deno version 1.0 on 2020-05-13
In Edge version 12 on 2015-07-28
In Firefox version 46 on 2016-04-26
In Firefox for Android version 46 on 2016-04-26
Not in Internet Explorer
In Node.js version 4.0.0 on 2015-09-08
In Quest Browser version 5.0 on undefined
In Opera version 39 on 2016-08-02
In Opera Android version 41 on 2016-10-25
In Safari version 9 on 2015-09-30
In Safari on iOS version 9 on 2015-09-16
In Samsung Internet version 6.0 on 2017-08-23
In WebView Android version 52 on 2016-07-27