:is() selector has partial support Browser Compatibility Check


The :is() CSS pseudo class is not supported by all browsers.

Applicable standards

Change history

  • 6.45 Jul 2022 No longer fires for Chrome, Edge, Opera.
  • 5.39 Nov 2020 No longer fires for Safari 14.
  • 5.38 Jul 2020 Added.

This page describes a web site issue detected in HTML documents by SortSite Desktop and OnDemand Suite.

Rule ID: BugCssSelectorIs