How to show a web push notification

push-notifications-base.js

const img = "/images/jason-leung-HM6TMmevbZQ-unsplash.jpg";
const text = "Take a look at this brand new t-shirt!";
const title = "New Product Available";
const options = {
    body: text,
    icon: "/images/jason-leung-HM6TMmevbZQ-unsplash.jpg",
    vibrate: [200, 100, 200],
    tag: "new-product",
    image: img,
    badge: "https://spyna.it/icons/android-icon-192x192.png",
    actions: [{ action: "Detail", title: "View", icon: "https://via.placeholder.com/128/ff0000" }]
 };

navigator.serviceWorker.ready.then(function(serviceWorker) {
  serviceWorker.showNotification(title, options);
});