How to send a push to mobile applications?

Question

Mobile development

How to send push notifications to mobile apps?

Answer 1

1. The question is easy to google.
2. The question has already been - How to send push notifications to a mobile application on an event?
The most important thing is that this issue has already been described up and down on other resources.

Answer 2

Alternatively https://jsfiddle.net/Politonius/kLrttoc0/