In this section we're going to start wiring up that users class we created, and to kick things off, we're going to wire up the People list, which means that we need to do something when a user joins, and when a user leaves. We want to keep that list up to date and every time we update it, we want to give a fresh copy of the list to the client. This means that the server is going to need to emit an event to the client, the client is then going to listen for that event and it's going to update the markup.
Now we can view exactly where this is going to happen by starting up the server with the following command:
nodemon server/server.js
Then, I'm going to head over to localhost:3000 and open up a chat page. I'm going to ...
