Web platform features explorer - :has-slotted

Web platform features explorer

Tags: css Groups: CSS > Selectors Web Components

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.

Learning resources on MDN

:has-slotted

Browser support

Chrome 134 Released on 2025-03-04
Chrome Android 134 Released on 2025-03-04
Edge 134 Released on 2025-03-06
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

Baseline availability blocked since March 2025 by Safari (1 months)

Specifications

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

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