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The :is pseudo-class formally named the :matches pseudo-class, formerly the :any pseudoclass acts as an or operator, combining all of its comma-separated selectors into a single selector which matches if any of the comma-separated selectors individually match.
Last updated on : 2026-02-09
Browser Versions
IE
Edge
Firefox
Chrome
Safari
Opera
Fully Supported
Partially
No Support
Selectors Level 4 # matches-pseudo
:is( <forgiving-selector-list> ):is() CSS pseudo-class on IE is not supported on any IE versions.
:is() CSS pseudo-class on Edge is fully supported on 88-144, partially supported on 79-87, and not supported on 12-18 Edge versions.
:is() CSS pseudo-class on Firefox is fully supported on 78-150 and partially supported on 4-77 Firefox versions.
:is() CSS pseudo-class on Chrome is fully supported on 88-147 and partially supported on 15-87 Chrome versions.
:is() CSS pseudo-class on Safari is fully supported on 14-26.3, partially supported on 5.1-13.1, and not supported on 3.2-4 Safari versions.
:is() CSS pseudo-class on Opera is fully supported on 75-125, partially supported on 15-74, and not supported on 9.5-12 Opera versions.
:is() CSS pseudo-class on Safari on iOS is fully supported on 14-26.3 and partially supported on 7-13.4 Safari on iOS versions.
:is() CSS pseudo-class on Android Browser is fully supported on 97-144 and partially supported on 4.4-4 Android Browser versions.
:is() CSS pseudo-class on Opera Mobile is fully supported on 64-80, and not supported on 10-12 Opera Mobile versions.
:is() CSS pseudo-class on Chrome for Android is fully supported on all Chrome for Android versions.
:is() CSS pseudo-class on Firefox for Android is fully supported on all Firefox for Android versions.
:is() CSS pseudo-class on Samsung Internet is fully supported on 15-29 and partially supported on 4-14 Samsung Internet versions.
Data sourced from
Overall Browser Compatibility Score
Note::is() CSS pseudo-class shows a browser compatibility score of 92. This is a collective score out of 100 to represent browser support of a web technology. The higher this score is, the greater is the browser compatibility. The browser compatibility score is not a 100% reflection for every browser and the web technology support. However, it does give you an estimate on how much you should rely on a particular web technology in terms of browser compatibility.
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