server.js var app = require('http').createServer(handler) , io = require('socket.io').listen(app) , fs = require('fs'); app.listen(80); function handler (req, res) { fs.readFile(__dirname + '/client.html', function (err, data) { if (err) { res.writeHead(500); return res.end('Error loading index.html'); } res.writeHead(200); res.end(data); }); } io.sockets.on('connection', function (socket) { soc..