On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 1 on 2008-12-11
In Chrome Android version 18 on 2012-06-27
Not in Deno
In Edge version 12 on 2015-07-29
In Firefox version 18 on 2013-01-08
In Firefox for Android version 18 on 2013-01-08
In Internet Explorer version 11 on 2013-10-17
In Quest Browser version 5.0 on undefined
In Opera version 11.1 on 2011-04-12
In Opera Android version 11.1 on 2011-06-30
In Safari version 3 on 2007-10-26 Note: In Safari, the devicePixelRatio does not change when the page is zoomed. See bug 124862.
In Safari on iOS version 2 on 2008-07-11 Note: In Safari on iOS, the devicePixelRatio does not change when the page is zoomed. See bug 124862.
In Samsung Internet version 1.0 on 2013-04-27
In WebView Android version 4.4 on 2013-12-09
In WebView on iOS version 2 on 2008-07-11 Note: In WebView on iOS, the devicePixelRatio does not change when the page is zoomed. See bug 124862.