Fired when a notification is closed, either by the system or by the user.
Syntax
browser.notifications.onClosed.addListener(function( notificationId, // string byUser // boolean ) {...}) browser.notifications.onClosed.removeListener(listener) browser.notifications.onClosed.hasListener(listener)
Events have three functions:
addListener(callback)
- Adds a listener to this event.
removeListener(listener)
- Stop listening to this event. The
listener
argument is the listener to remove. hasListener(listener)
- Check whether
listener
is registered for this event. Returnstrue
if it is listening,false
otherwise.
addListener syntax
Parameters
callback
-
Function that will be called when this event occurs. The function will be passed the following arguments:
notificationId
string
. ID of the notification that closed.byUser
boolean
.true
if the notification was closed by the user, orfalse
if it was closed by the system. This argument is not supported in Firefox.
Browser compatibility
1. byUser is not supported.
2. byUser is not supported.
Examples
Acknowledgements
This API is based on Chromium's chrome.notifications
API.