Pre 0.7 custom events

events-pre0.7.js

socket.on('message', function(data) {
    var type = data.type; // more-specific-event
    delete data.type;
    socket.emit(type, data);
});

socket.on('more-specific-event', function(data){
    // Here we can build a more specific handler and keep
    // control logic and nested if statements related to 
    // event handling out of our application logic
});

post-0.7-client.html

<script src="/socket.io/socket.io.js"></script>
<script>
  var socket = io.connect('http://localhost');
  socket.on('news', function (data) {
    console.log(data);
    socket.emit('my other event', { my: 'data' });
  });
</script>

post-0.7-server.js

// On the server
var io = require('socket.io').listen(80);

io.sockets.on('connection', function (socket) {
  socket.emit('news', { hello: 'world' });
  socket.on('my other event', function (data) {
    console.log(data);
  });
});