'use strict'; self.addEventListener('push', function(event) { console.log('Received a push message', event); let title = 'Yay a message.'; let body = 'We have received a push message.'; let icon = '/images/icon-192x192.png'; let tag = 'simple-push-demo-notification-tag'; event.waitUntil( self.registration.showNotification(title, { body: body, icon: icon, tag: tag }) ); }); self.addEventListener('notificationclick', function(event) { console.log('On notification click: ', event.notification.tag); // Android doesn’t close the notification when you click on it // See: http://crbug.com/463146 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 (var i = 0; i < clientList.length; i++) { var client = clientList[i]; if (client.url === '/' && 'focus' in client) { return client.focus(); } } if (clients.openWindow) { return clients.openWindow('/'); } })); });