notifications.onClosed

Fired when a notification is closed, either by the system or by the user.

Syntax

browser.notifications.onClosed.addListener(listener)
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. Returns true 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, or false if it was closed by the system. This argument is not supported in Firefox.

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
onClosed
28
17
45
?
25
No
?
?
48
?
?
?
byUser
Yes
79
No
?
Yes
No
?
?
No
?
?
?

Examples

In this simple example we add a listener to the notifications.onClosed event to listen for system notifications being closed. When this occurs, we log an appropriate message to the console.

browser.notifications.onClosed.addListener(function(notificationId) {
  console.log('Notification ' + notificationId + ' has closed.');
});

Note: This API is based on Chromium's chrome.notifications API.

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/notifications/onClosed