On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 49 on 2016-03-02
In Chrome Android version 49 on 2016-03-09
In Deno version 1.0 on 2020-05-13
In Edge version 79 on 2020-01-15
In Firefox version 37 on 2015-03-31
In Firefox for Android version 37 on 2015-03-31
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 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 5.0 on 2016-12-15
In WebView Android version 49 on 2016-03-09