Advanced Node.js Development

Adding a createEmail custom event

Now, on the other side of things, we have a situation where we want to emit an event from the client trying to send some data to the server. This is for our createEmail event. Now, in this case, we will add our event listener inside  server.js using socket.on, just as we do for any other event listener, such as we have in server.js.

The io.on method we used for the connection event is a very special event; you will usually not be attaching anything to io, or be making calls to io.on or io.emit, other than the one we have mentioned in this function. Our custom event listeners are going to happen in the following statement by calling socket.on as we do for disconnect, passing in the name of the event you want ...