text: window.addEventListener('load', function () {
    // At first, let's check if we have permission for notification
    // If not, let's ask for it
    if (window.Notification && Notification.permission !== "granted") {
      Notification.requestPermission(function (status) {
        if (Notification.permission !== status) {
          Notification.permission = status;
        }
      });
    }
  
    var button = document.getElementsByTagName('button')[0];
  
    button.addEventListener('click', function () {
      // If the user agreed to get notified
      // Let's try to send ten notifications
      if (window.Notification && Notification.permission === "granted") {
        var i = 0;
        // Using an interval cause some browsers (including Firefox) are blocking notifications if there are too much in a certain time.
        var interval = window.setInterval(function () {
          // Thanks to the tag, we should only see the "Hi! 9" notification
          var n = new Notification("Hi! " + i, {tag: 'soManyNotification'});
          if (i++ == 9) {
            window.clearInterval(interval);
          }
        }, 200);
      }
  
      // If the user hasn't told if he wants to be notified or not
      // Note: because of Chrome, we are not sure the permission property
      // is set, therefore it's unsafe to check for the "default" value.
      else if (window.Notification && Notification.permission !== "denied") {
        Notification.requestPermission(function (status) {
          if (Notification.permission !== status) {
            Notification.permission = status;
          }
  
          // If the user said okay
          if (status === "granted") {
            var i = 0;
            // Using an interval cause some browsers (including Firefox) are blocking notifications if there are too much in a certain time.
            var interval = window.setInterval(function () {
              // Thanks to the tag, we should only see the "Hi! 9" notification
              var n = new Notification("Hi! " + i, {tag: 'soManyNotification'});
              if (i++ == 9) {
                window.clearInterval(interval);
              }
            }, 200);
          }
  
          // Otherwise, we can fallback to a regular modal alert
          else {
            alert("Hi!");
          }
        });
      }
  
      // If the user refuses to get notified
      else {
        // We can fallback to a regular modal alert
        alert("Hi!");
      }
    });
  });
  