Fired when a notification is closed, either by the system or by the user.
browser.notifications.onClosed.addListener(listener)
浏览器
.
notifications
.
onClosed
.
removeListener
(
listener
)
浏览器
.
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)
校验是否
listener
is registered for this event. Returns
true
if it is listening,
false
否则。
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.
BCD tables only load in the browser
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.');
});
注意：
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.
最后修改： , 由 MDN 贡献者