Web platform features explorer

The CloseWatcher API listens and responds to close requests on in-page components, such as modals, popovers, and sidebars.

Status

Limited availability

MDN documentation

CloseWatcher

Specifications

HTML (#close-requests-and-close-watchers), from HTML Workstream (WHATWG).

Browser support

Chrome 126 Released on 2024-06-11
Chrome Android 126 Released on 2024-06-11
Edge 126 Released on 2024-06-13
Firefox ❌
Firefox for Android ❌
Safari ❌ Vendor position : neutral
Safari on iOS ❌ Vendor position : neutral

Usage (according to Chrome Platform Status)

~0.012% 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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