On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 18 on 2012-03-28
In Chrome Android version 18 on 2012-06-27
Not in Deno
In Edge version 79 on 2020-01-15
In Firefox version 6 on 2011-08-16
In Firefox for Android version 45 on 2016-03-08
Not in Internet Explorer
In Quest Browser version 5.0 on undefined
In Opera version 12 on 2012-06-14
In Opera Android version 12 on 2012-02-25
In Safari version 6 on 2012-07-25
In Safari on iOS version 6 on 2012-09-10
In Samsung Internet version 1.0 on 2013-04-27
In WebView Android version 4.4 on 2013-12-09