CSSNamespaceRule

Read More at MDN DocsView Spec

Safe to Use

CSSNamespaceRule is considered safe to use.

It’s supported by 96% of global browsers.

Browsers

ChromeDec 1, 2015v47.0.0
24%╱100%
There are no users of Chrome running a supported version.
SafariMar 27, 2017v10.1.0
4%╱99%
There are no users of Safari running a supported version.
EdgeJul 28, 2015v12.0.0
4%╱100%
100% of Edge users are running a supported version.
FirefoxApr 19, 2017v53.0.0
3%╱97%
There are no users of Firefox running a supported version.

Version Breakdown

 
Agent
Support
Adoption
Chrome
Dec 1, 2015 v47.0.0
24%╱100%
There are no users of Chrome running a supported version.
Dec 1, 2015 – Latest
v47.0.0+
24%╱100%

Full Support

Chrome Android
Dec 2, 2015 v47.0.0
39%╱99%
There are no users of Chrome Android running a supported version.
Dec 2, 2015 – Latest
v47.0.0+
39%╱99%

Full Support

Edge
Jul 28, 2015 v12.0.0
4%╱100%
100% of Edge users are running a supported version.
Jul 28, 2015 – Latest
v12.0.0+
4%╱100%

Full Support

Firefox
Apr 19, 2017 v53.0.0
3%╱97%
There are no users of Firefox running a supported version.
Apr 19, 2017 – Latest
v53.0.0+
3%╱97%

Full Support

Firefox for Android
Apr 19, 2017 v53.0.0
Firefox for Android supports this feature.
Apr 19, 2017 – Latest
v53.0.0+

Full Support

Internet Explorer
Mar 14, 2011 v9.0.0
0%╱93%
There are no users of Internet Explorer running a supported version.
Mar 14, 2011 – Latest
v9.0.0+
0%╱93%

Full Support

 
Quest Browser
Unknown v5.0.0
Quest Browser supports this feature.
Unknown
v5.0.0+

Full Support

Opera
Mar 15, 2016 v36.0.0
2%╱100%
100% of Opera users are running a supported version.
Mar 15, 2016 – Latest
v36.0.0+
2%╱100%

Full Support

Opera Android
Mar 31, 2016 v36.0.0
Opera Android supports this feature.
Mar 31, 2016 – Latest
v36.0.0+

Full Support

Safari
Mar 27, 2017 v10.1.0
4%╱99%
There are no users of Safari running a supported version.
Mar 27, 2017 – Latest
v10.1.0+
4%╱99%

Full Support

Safari on iOS
Mar 27, 2017 v10.3.0
17%╱99%
There are no users of Safari on iOS running a supported version.
Mar 27, 2017 – Latest
v10.3.0+
17%╱99%

Full Support

Samsung Internet
Dec 15, 2016 v5.0.0
2%╱94%
There are no users of Samsung Internet running a supported version.
Dec 15, 2016 – Latest
v5.0.0+
2%╱94%

Full Support

WebView Android
Dec 2, 2015 v47.0.0
WebView Android supports this feature.
Dec 2, 2015 – Latest
v47.0.0+

Full Support

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