JSFiddle - React, Tailwind, and code Playground

HTML

<button onclick="notify()">Notify</button>

JavaScript

function notify()
{

  if (Notification.permission !== "granted") {
    Notification.requestPermission();
  }
  else{
    var notification = new Notification('hello', {
      body: "Hey there!",
    });
    notification.onclick = function () {
      window.open("http://google.com");
    };
  }
}