NotificationEvent
The parameter passed into the onnotificationclick
handler, the NotificationEvent
interface represents a notification click event that is dispatched on the ServiceWorkerGlobalScope
of a ServiceWorker
.
This interface inherits from the ExtendableEvent
interface.
Constructor
NotificationEvent()
-
Creates a new
NotificationEvent
object.
Instance properties
Inherits properties from its ancestor, Event
.
NotificationEvent.notification
Read only-
Returns a
Notification
object representing the notification that was clicked to fire the event. NotificationEvent.action
Read only-
Returns the string ID of the notification button the user clicked. This value returns an empty string if the user clicked the notification somewhere other than an action button, or the notification does not have a button.
Instance methods
Inherits methods from its parent, ExtendableEvent
.
ExtendableEvent.waitUntil()
-
Extends the lifetime of the event. Tells the browser that work is ongoing.
Example
js
self.addEventListener("notificationclick", (event) => {
console.log(`On notification click: ${event.notification.tag}`);
event.notification.close();
// This looks to see if the current is already open and
// focuses if it is
event.waitUntil(
clients
.matchAll({
type: "window",
})
.then((clientList) => {
for (const client of clientList) {
if (client.url === "/" && "focus" in client) return client.focus();
}
if (clients.openWindow) return clients.openWindow("/");
})
);
});
Specifications
Specification |
---|
Notifications API Standard # notificationevent |
Note: This interface is specified in the Notifications API, but accessed through ServiceWorkerGlobalScope
.
Browser compatibility
BCD tables only load in the browser