WorkerNavigator: clearAppBadge() method

Secure context

The clearAppBadge() method of the WorkerNavigator 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.

Syntax

clearAppBadge()

Parameters

None.

Return value

A Promise that resolves with undefined.

Exceptions

• InvalidStateError DOMException
  • : Thrown if the document is not fully active.
• SecurityError DOMException
  • : Thrown if the call was blocked by the same-origin policy.
• NotAllowedError DOMException
  • : Thrown if state is not granted.

Examples

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

navigator.clearAppBadge();

Specifications

Browser compatibility

See also

• Badging for app icons