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When I check the :has() CSS selector on caniuse.com, it tells me that since Firefox103 it has been
Supported in Firefox behind the layout.css.has-selector.enabled flag.
So how do I find this flag and enable it?
578
asked Sep 02 '25 16:09
Go to the Firefox about:config page, then search and toggle layout.css.has-selector.enabled.
110
answered Sep 04 '25 07:09
On latest version of Firefox version 121, they have implemented the :has().
Kindly refer the following link for the updates,
https://www.mozilla.org/en-US/firefox/121.0beta/releasenotes/
34
answered Sep 04 '25 06:09
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