How to implement a browser-to-browser socket connection?

Question

JavaScript

It's simple (but complicated): do you need to implement a browser-to-browser socket connection?
If so, how?
Thank you.

Answer 1

Look at the article - https://habrahabr.ru/post/255833/

Answer 2

Via websocket server or WebRTC

Answer 3

Through an intermediate service, if there is no external ip ...
Although with an external one, by default, there are no rights to listen to the port.

Answer 4

On a local network, for example, if both computers are connected to the same router, you can do it without problems at all, and without setting anything up, but one of the browsers must be a TCP server (or WebSockets server), it's easier "application-application" or "application- browser".

Answer 5

In a typical browser, there is no way to create a socket server, only an intermediate service. You can use p2p, but this is only in tor and analogues