On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 58 on 2017-04-19
In Chrome Android version 58 on 2017-04-25
Not in Deno
In Edge version 12 on 2015-07-28
In Firefox version 55 on 2017-08-08
In Firefox for Android version 55 on 2017-08-08
In Internet Explorer version 6 on 2001-08-27
Not in Node.js
In Quest Browser version 5.0 on undefined
In Opera version 45 on 2017-05-10
In Opera Android version 42 on 2017-01-21
In Safari version 10 on 2016-09-20
In Safari on iOS version 10 on 2016-09-13
In Samsung Internet version 7.0 on 2018-03-16
In WebView Android version 58 on 2017-04-25