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CSS :open pseudo-class

Category

DOM

Type

Chromium catches up

Status

Enabled by default (Chrome 133)

Intent stage

None

Summary

The :open pseudo-class matches <dialog> and <details> when they are in their open state, and matches <select> and <input> when they are in modes which have a picker and the picker is showing.

Standards & signals

• Specification: https://drafts.csswg.org/selectors-4/#open-state
• Firefox: Positive
• Safari: Support
• Web developers: No signals
• Tracking bug: https://issues.chromium.org/issues/324293874

View on chromestatus.com