On the standards track: Yes
Is Experimental: No
Is Deprecated: No
Not in Chrome
Not in Chrome Android
Not in Edge
In Firefox version 44 on 2016-01-26
In Firefox for Android version 44 on 2016-01-26
Not in Internet Explorer
Not in Quest Browser
Not in Opera
Not in Opera Android
In Safari version 7 on 2013-10-22
In Safari on iOS version 7 on 2013-09-18
Not in Samsung Internet
Not in WebView Android