On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 44 on 2015-07-21
In Chrome Android version 44 on 2015-07-29
In Deno version 1.0 on 2020-05-13
In Edge version 79 on 2020-01-15
In Firefox version 51 on 2017-01-24
In Firefox for Android version 51 on 2017-01-24
Not in Internet Explorer
In Node.js version 6.0.0 on 2016-04-26
In Quest Browser version 5.0 on undefined
In Opera version 31 on 2015-08-04
In Opera Android version 32 on 2015-09-23
In Safari version 9.1 on 2016-03-21
In Safari on iOS version 9.3 on 2016-03-21
In Samsung Internet version 4.0 on 2016-03-11
In WebView Android version 44 on 2015-07-29