How to manage one part of the client from another?

Question

JavaScript

There is a project developed in php BE and angular js FE. Task. The timer is displayed on the screen, but it needs to be controlled from the side. Interested in the essence of the implementation. How to build? As for me, these are two clients who communicate with each other. That is 2 pages. One admin panel, another for the user.

Answer 1

there are 100,500 ways to solve this, although not everyone can do it ... therefore, you should talk with those who set the task ... as those part imagines ....

Answer 2

Just like with the server: client-1 sends data to the server, and the server sends data from client-1 to client-2. Similarly, the second client. You can use both standard HTTP and web sockets.