How to get focus to a Chrome tab which created desktop notification?

Question

I would like to implement same functionality as Gmail has nowadays. When new email arrives or new chat comes, notification popup appears and if you click it, the tab with Gm

Answer 1

Using Notifications.

if (typeof Notification !== 'undefined') {
  alert('Please us a modern version of Chrome, Firefox, Opera or Safari.');
  return;
}

Notification.requestPermission(function (permission) {
  if (permission !== 'granted') return;

  var notification = new Notification('Here is the title', {
    icon: 'http://path.to/my/icon.png',
    body: 'Some body text',
  });

  notification.onclick = function () {
    window.focus();
  };
});