node.js and socket.io

HTML

<script src="https://cdn.socket.io/socket.io-1.3.5.js"></script>
  <body>
    <ul id="messages"></ul>
    <form action="">
      <input id="m" autocomplete="off" /><button>Send</button>
    </form>
  </body>

CSS

* { 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; }

JavaScript

// different port or host
var socket = io.connect('http://192.168.10.109');

// socket.emit('got it', 'Fuck you world!');


$(document).ready(function() {
//  var socket = io();
  $('form').submit(function(){
    socket.emit('got it', $('#m').val());
    $('#m').val('');
    return false;
  });
  socket.on('got it', function(msg){
    $('#messages').append($('<li>').text(msg));
  });
});