HTML-koden
<!DOCTYPE html>
<html lang="da">
<head>
<title> Sideopsætning i HTML 5 </title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<META name="keywords" content="" />
<META name="descrition" content="" />
<link rel="stylesheet" type="text/css" href="package.js">
<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>
</head>
<body>
<ul id="messages"></ul>
<form action="">
<input id="m" autocomplete="off" /><button>Send</button>
</form>
<script src="package.js"></script>
<script>
var socket = io();
</script>
<script src="package.js"></script>
<script src="
http://code.jquery.com/jquery-1.11.1.js"></script>
<script>
var socket = io();
$('form').submit(function(){
socket.emit('chat message', $('#m').val());
$('#m').val('');
return false;
});
</script>
<script>
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>
</body>
</html>
Javascript-koden
{
"name": "socket-chat-example",
"version": "0.0.1",
"description": "my first socket.io app",
"dependencies": {}
}
npm install --save express@4.10.2
var app = require('express')();
var http = require('http').Server(app);
app.get('/', function(req, res){
res.send('<h1>Hello world</h1>');
});
http.listen(3000, function(){
console.log('listening on *:3000');
});
app.get('/', function(req, res){
res.sendFile(__dirname + '/index.html');
});
npm install --save socket.io
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){
console.log('a user connected');
});
http.listen(3000, function(){
console.log('listening on *:3000');
});
io.on('connection', function(socket){
socket.on('chat message', function(msg){
console.log('message: ' + msg);
});
});
io.emit('some event', { for: 'everyone' });
io.on('connection', function(socket){
socket.broadcast.emit('hi');
});
io.on('connection', function(socket){
socket.on('chat message', function(msg){
io.emit('chat message', msg);
});
});
io.on('connection', function(socket){
console.log('a user connected');
socket.on('disconnect', function(){
console.log('user disconnected');
});
});
