WindowClient: focused-Eigenschaft

Hinweis: Diese Funktion ist nur in Service Workers verfügbar.

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) {
 if (!client.focused) return client.focus();
 }
 }
 if (clients.openWindow) return clients.openWindow("/");
 }),
 );
});

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