Limited Availability HTML

hidden="until-found"

The hidden="until-found" attribute hides an element until it is found using the browser's find-in-page search or it is directly navigated to by following a URL fragment.

Baseline Status: This feature is currently Limited (not yet Baseline). Latest engine implementation shipped on Feb 24, 2026.

Desktop Browser Engine Support

Google Chrome

102

Supported

Mozilla Firefox

148

Supported

Apple Safari

—

Unsupported

Microsoft Edge

102

Supported

Mobile Browser Engine Support

Chrome Android

102

Firefox Android

148

Safari iOS

—

Specifications and References

Specification ↗ Feature XML ↗

MDN Browser Compat Data Keys:

api.Element.beforematch_event ↗ html.global_attributes.hidden.until-found ↗