Web Notification

notification.js

document.addEventListener('DOMContentLoaded', function () {
  if (!Notification) {
    alert('Desktop notifications not available in your browser. Try Chromium.'); 
    return;
  }

  if (Notification.permission !== "granted")
    Notification.requestPermission();
});

function notifyMe() {
  if (Notification.permission !== "granted")
    Notification.requestPermission();
  else {
    var notification = new Notification('Notification title', {
      icon: 'https://assets-cdn.github.com/images/modules/logos_page/GitHub-Mark.png',
      body: "Web Notification content",
    });

    notification.onclick = function () {
      window.open("http://stackoverflow.com/a/13328397/1269037");      
    };

  }
}