This article assumes that you are aware of the basics of React Hooks and Socket.IO and follow up on these articles to get familiar with these topics:

This builds up a demo chat application involving socket.io rooms integrated using React hooks. The client can connect and switch between chat rooms, where updates will be replicated by socket.io events. Depending on the selected room it will broadcast chat messages to socket clients using that room.

(Once running, we can spin up multiple browser tabs and see if chat messages are updated through sockets.)

#socketio #javascript #realtime #react-hook #reactjs