Download example from here
<button onclick="notifyMe()">Notify me!</button> <script type="text/javascript"> // request permission on page load document.addEventListener('DOMContentLoaded', function () { if (!Notification) { alert('Desktop notifications not available in your browser.'); return; } if (Notification.permission !== "granted") { Notification.requestPermission(); } }); function notifyMe() { if (Notification.permission !== "granted") { Notification.requestPermission(); } else { setTimeout(function() { var notification = new Notification('Notification Title', { icon: 'images.jpg', body: "Hey there! You've been notified!, Hey there! You've been notified!, Hey there! You've been notified!", }); notification.onclick = function () { alert("Notification event clicked"); }; }, 1000); } } </script>