Re: [csswg-drafts] [css-contain] Similar to window.matchMedia(), Container Queries should have a similar method (#6205) from basher via GitHub on 2026-01-14 (public-css-archive@w3.org from January 2026)

From: basher via GitHub <noreply@w3.org>
Date: Wed, 14 Jan 2026 11:43:19 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-3749168367-1768390997-noreply@w3.org>

@teetotum 
I've just tried using your polyfill to detect `scroll-state` following a `scrollend` event.

For example, `element.matchContainer('scroll-state(stuck: top)')`, but the query always returns a **false** match:

<img width="1132" height="262" alt="Image" src="https://github.com/user-attachments/assets/3e333891-bb02-4c5a-ab8f-4322812077f3" />

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Received on Wednesday, 14 January 2026 11:43:20 UTC