On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 43 on 2015-05-19
In Chrome Android version 43 on 2015-05-27
In Deno version 1.0 on 2020-05-13
In Edge version 12 on 2015-07-28
Not in Firefox
Not in Firefox for Android
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 30 on 2015-06-09
In Opera Android version 30 on 2015-06-10
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 43 on 2015-05-27