WindowClient: focused-Eigenschaft
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2018.
Hinweis: Diese Funktion ist nur in Service Workers verfügbar.
Die focused schreibgeschützte Eigenschaft des
WindowClient-Interfaces ist ein boolescher Wert, der angibt, ob der aktuelle Client den Fokus hat.
Wert
Ein boolescher Wert.
Beispiele
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) {
if (!client.focused) return client.focus();
}
}
if (clients.openWindow) return clients.openWindow("/");
}),
);
});
Spezifikationen
| Specification |
|---|
| Service Workers # client-focused |
Browser-Kompatibilität
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