On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version ≤31 on undefined
In Chrome Android version ≤31 on undefined
In Edge version 12 on 2015-07-29
In Firefox version ≤50 on undefined
In Firefox for Android version ≤50 on undefined
Not in Internet Explorer
In Quest Browser version 5.0 on undefined
In Opera version ≤18 on undefined
In Opera Android version ≤18 on undefined
In Safari version 4 on 2009-06-08
In Safari on iOS version 3.2 on 2010-04-03
In Samsung Internet version ≤2.0 on undefined
In WebView Android version ≤4.4.3 on undefined
In WebView on iOS version 3.2 on 2010-04-03