Browser Push Notification in Angular 5

In today’s web-based application development, one of the main features is information notification. Notifications process or mechanism always helps people to deliver information on time and remind the people about their pending tasks. A recent study on mobile users stated that mobile users receive an average of 63 notifications per day, most coming from messaging or email applications.
About Push Notifications
Push notifications are basically one type of service used for displaying alert information to the users. This service will show alert messages which user want to see at a particular time from any particular apps or services. These messages can come from any source of media like SMS service, email service or custom service defined by the application itself.