Node JS. chat client.

app.js

var http = require('http'),
    express = require("express"),
    sys = require("sys"),
    io = require('socket.io');


var app = express.createServer();

app.set('view engine', 'jade');
app.get("/", function(req, res){
  res.render("index", {title: "Chatty", layout: false});
});

app.listen(9999);
  
// socket.io 
var socket = io.listen(app); 
socket.on('connection', function(client){ 
  client.on('message', function(data){
    sys.puts(data);
    socket.broadcast(data);
  }); 
  client.on('disconnect', function(){
    sys.puts("client diconnected");
  });
});

index.jade

!!! 5
html(lang="en")
  head
    title= title
    script(src = 'https://ajax.googleapis.com/ajax/libs/jquery/1.5.2/jquery.min.js')
    script(src = 'http://localhost:9999/socket.io/socket.io.js')
    script(type='text/javascript')
      $( function(){
        $('button').click(function(){
          socket.send($('.text').val());
          return false;
        });
        var socket = new io.Socket('localhost'); 
        socket.connect();
        socket.on('connect', function(){ 
          $(".messages").append("<h3>connected to localhost</h3>");
        });
        socket.on('message', function(data){ 
          $(".messages").append("<h2>"+data+"</h2>");
        });
        socket.on('disconnect', function(){
          $(".messages").append("<h3>disconnected</h3>");
        });
        
      });
      
  body
    h1 Welcome to the chat server
      #container
        label Messages:
          .messages(name='messages')
        label Text:
          input.text(name='Text')
        button.send Send