Tutorial by Topics: notifications

The Rich Notifications lets you customize the appearance of local and remote notifications when they appear on the user’s device.Rich notification mostly includes UNNotificationServiceExtension and UNNotificationContentExtension ie displaying the normal notification in an extended manner

So if you wanna make web app notification I suggest you to use Push.js or SoneSignal framework for Web/mobile app.

Push is the fastest way to get up and running with Javascript notifications. A fairly new addition to the official specification, the Notification API allows modern browsers such as Chrome, Safari, Firefox, and IE 9+ to push notifications to a user’s desktop.

You will have to use Socket.io and some backend framework, I will user Express for this example.

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