Let's go ahead and test things out over inside Google Chrome. I'm going to refresh tab 1, and when I do you can see our two messages, Welcome to the chat app shows up and Frank says Hi:
Now Welcome to the chat app should show up. The Frank Hi message is coming from socket.emit inside index.js:
socket.emit('createMessage', { from: 'Frank', text: 'Hi' }, function (data) { console.log('Got it', data); });
We can actually go ahead and remove that, we no longer need to automatically emit messages since we have a form set up to get that done for us. Once again we can save the file, refresh the browser and this time ...