On the standards track: Yes
Is Experimental: No
Is Deprecated: No
Not in Chrome
Not in Chrome Android
Not in Edge
In Firefox version 31 on 2014-07-22
In Firefox for Android version 31 on 2014-07-22
Not in Internet Explorer
Not in Quest Browser
Not in Opera
Not in Opera Android
In Safari version 12.1 on 2019-03-25
In Safari on iOS version 12.2 on 2019-03-25
Not in Samsung Internet
Not in WebView Android