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The :has-slotted CSS pseudo-class matches <slot> elements where the fallback content is not shown. The pseudo-class matches any slotted content, including white space, text nodes, or elements.

Status

Limited availability

MDN documentation

:has-slotted

Specifications

CSS Shadow Module Level 1 (#the-has-slotted-pseudo), from Cascading Style Sheets (CSS) Working Group (W3C).

Browser support

Chrome ❌ See issues.chromium.org/issues/369883705
Chrome Android ❌
Edge ❌
Firefox 136 Released on 2025-03-04
Firefox for Android 136 Released on 2025-03-04
Safari ❌ Vendor position : support
Safari on iOS ❌ Vendor position : support

Surveys

Usage (according to Chrome Platform Status)

~0.000% of page loads. More data at chromestatus.com.

Web Platform Tests (WPT)

View the latest WPT test results for this feature

Developer votes

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