The clearAppBadge() method of the Navigator interface clears a badge on the current app's icon by setting it to nothing. The value nothing indicates that no badge is currently set, and the status of the badge is cleared.

None.

A Promise that resolves with undefined.

NotSupportedError DOMException

Thrown if the Navigator does not have a document that this action can be acted on.

Once all messages in an application have been read, call clearAppBadge() to clear the badge and remove the notification.

navigator.clearAppBadge();

• Badging for app icons