talentlessguy/app.js

## app.js
var app = require('express')();
var http = require('http').Server(app);
var io = require('socket.io')(http);

app.get('/', function(req, res){
  res.sendFile('index.html');
});

io.on('connection', function(socket){
  socket.on('message', function(msg){
    io.emit('message', msg);
  });
  socket.on('disconnect', function(){
    console.log('user disconnected');
  });
});

http.listen(3000, function(){
  console.log('listening on *:3000');
});

## index.html
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>Page Title</title>
    <style>
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font: 13px Helvetica, Arial; }
        form { background: #000; padding: 3px; position: fixed; bottom: 0; width: 100%; }
        form input { border: 0; padding: 10px; width: 90%; margin-right: .5%; }
        form button { width: 9%; background: rgb(130, 224, 255); border: none; padding: 10px; }
        #messages { list-style-type: none; margin: 0; padding: 0; }
        #messages li { padding: 5px 10px; }
        #messages li:nth-child(odd) { background: #eee; }
      </style>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <script src="https://code.jquery.com/jquery-1.11.1.js"></script>
    <script src="https://cdn.socket.io/socket.io-1.0.0.js"></script>
    <script>
    $(() => {
    const socket = io()
    $('form').submit(() => {
      socket.emit('message', $('#m').val())
      $('#m').val('')
      return false
    })
  })
    </script>
</head>
<body>
    <ul id="messages"></ul>
    <form action="">
      <input id="m" autocomplete="off" /><button>Send</button>
    </form>
</body>
</html>
	var app = require('express')();
	var http = require('http').Server(app);
	var io = require('socket.io')(http);

	app.get('/', function(req, res){
	res.sendFile('index.html');
	});

	io.on('connection', function(socket){
	socket.on('message', function(msg){
	io.emit('message', msg);
	});
	socket.on('disconnect', function(){
	console.log('user disconnected');
	});
	});

	http.listen(3000, function(){
	console.log('listening on *:3000');
	});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<title>Page Title</title>
	<style>
	* { margin: 0; padding: 0; box-sizing: border-box; }
	body { font: 13px Helvetica, Arial; }
	form { background: #000; padding: 3px; position: fixed; bottom: 0; width: 100%; }
	form input { border: 0; padding: 10px; width: 90%; margin-right: .5%; }
	form button { width: 9%; background: rgb(130, 224, 255); border: none; padding: 10px; }
	#messages { list-style-type: none; margin: 0; padding: 0; }
	#messages li { padding: 5px 10px; }
	#messages li:nth-child(odd) { background: #eee; }
	</style>
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<script src="https://code.jquery.com/jquery-1.11.1.js"></script>
	<script src="https://cdn.socket.io/socket.io-1.0.0.js"></script>
	<script>
	$(() => {
	const socket = io()
	$('form').submit(() => {
	socket.emit('message', $('#m').val())
	$('#m').val('')
	return false
	})
	})
	</script>
	</head>
	<body>
	<ul id="messages"></ul>
	<form action="">
	<input id="m" autocomplete="off" /><button>Send</button>
	</form>
	</body>
	</html>