WindowClient.focused

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

self.addEventListener('notificationclick', function(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(function(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

Specification
Service Workers
# client-focused

Browser compatibility

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