HTML 5 Notification in sequence

NotificationSequence

function NotificationSequence() {
  const notifications = []
  const showNotifications = (notification) => {
    Notification.requestPermission(function (permission) {
      const n = new Notification(notification.title, notification)
      setTimeout(() => {
        n.close()
        notifications.pop()
        if (notifications.length) {
          showNotifications(notifications[notifications.length - 1])  
        }
      }, 5000);
    })
  }
  this.push = function(v) {
    notifications.unshift(v)
    if (notifications.length === 1) {
      showNotifications(notifications[notifications.length - 1])  
    }
  }
  this.get = function() {
    return notifications;
  }
}

Example utilization

const n = new NotificationSequence();
n.push({
  title: 'the title',
  body: 'the body here'
})