On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 40 on 2015-01-21
In Chrome Android version 40 on 2015-01-21
In Deno version 1.0 on 2020-05-13
In Edge version 12 on 2015-07-28
In Firefox version 36 on 2015-02-24
In Firefox for Android version 36 on 2015-02-27
Not in Internet Explorer
In Node.js version 0.12.0 on 2015-02-06
In Quest Browser version 5.0 on undefined
In Opera version 27 on 2015-01-27
In Opera Android version 27 on 2015-01-29
In Safari version 9 on 2015-09-30
In Safari on iOS version 9 on 2015-09-16
In Samsung Internet version 4.0 on 2016-03-11
In WebView Android version 40 on 2015-01-21