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

Learning resources on MDN

• CloseWatcher

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

View web-platform-tests results for this feature - View the feature source file - Edit the feature - Report an issue about this feature