<!DOCTYPE html> <html> <head> <title>intoro kuso chat</title> <style> #messages { list-style-type: none; margin: 0; padding: 0; } #messages li { padding: 10px 10px; } #messages li:nth-child(odd) { background: rgb(190, 244, 193); } </style> <link rel="stylesheet" type="text/css" href="./intro.css"> </head> <body> <h1>kuso chat</h1> <script src="/socket.io/socket.io.js"></script> <script src="https://code.jquery.com/jquery-1.11.1.js"></script> <script> $(function () { var socket = io(); $('form').submit(function(){ socket.emit('chat message', $('#m').val()); $('#m').val(''); return false; }); socket.on('chat message', function(msg){ $('#messages').append($('<li>').text(msg)); }); }); </script> <ul id="messages"></ul> <form action=""> <input id="m" autocomplete="off" /><button>Send</button> </form> </body> </html>