Advanced Node.js Development

Testing the users list in the chatroom

Inside the browser I can open up the Developer Tools to view the console log statements, and I'm going to give the app a refresh. If I do refresh the application we see a Users list and we have Andrew printing twice:

If I refresh the page for a second time, we have Andrew printing three times:

As you can see this is happening because we're not removing users from the list when they leave the chat application. That's the second goal in this section. We currently have a user list. All we need to do is update ...