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WindowClient: focused property

The focused read-only property of the WindowClient interface is a boolean value that indicates whether the current client has focus.

Value

A boolean value.

Examples

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("/");
      }),
  );
});

Specifications

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
focused 42 17 44 No 29 11.1 42 42 44 29 11.3 4.0

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https://developer.mozilla.org/en-US/docs/Web/API/WindowClient/focused