Advanced Node.js Development

Emitting two events when a user connects

With broadcasting in place, let's get into the final way we emit messages. We'll emit two events in socket.io, right when a user connects. Now, we'll not actually use broadcasting in this context, so we'll comment the broadcast object out and uncomment our old code. It should look like this:

socket.on('createMessage', (message) => {  console.log('createMessage', message);  io.emit('newMessage', {    from: message.from,    text: message.text,    createdAt: new Date().getTime()  });  // socket.broadcast.emit('newMessage', {  // from: message.from,  // text: message.text,  // createdAt: new Date().getTime()  //});});

You'll first call socket.emit to emit a message to the user who joins. Your message should come from the ...