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index.html
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index.html
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<!doctype html>
<html>
<head>
<title>Socket Chat</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>
<!-- <link rel="stylesheet" type="text/css" href="styles.css"> -->
</head>
<body>
<section id='users'>users online: 0</section>
<input id="alias" autocomplete="off" placeholder="select username"/><button id='set-name'>set</button>
<ul id="messages"></ul>
<form action="">
<input id="m" autocomplete="off" /><button>Send</button>
</form>
<section id='chat'></section>
<script src="https://code.jquery.com/jquery-1.11.1.js"></script>
<script src="/socket.io/socket.io.js"></script>
<script type="text/javascript">
$(function () {
const socket = io();
socket.on('user connection', function(){
$('#messages').append($('<li>').text('someone connected'));
});
$('#set-name').on('click', function() {
let name = $('#alias').val();
$('#chat').html(name);
});
socket.on('user count', function(num){
$('#users').html(`users online ${num}`);
});
$('form').submit(function(e){
e.preventDefault();
let nickname = $('#chat').html();
let message = $('#m').val();
nickname === "" ? nickname = 'Anonymous User' :
socket.emit('chat message', { message: message, nickname: nickname });
$('#messages').append($('<li>').text(`${nickname}: ${message}`));
$('#m').val('');
return false;
});
socket.on('chat message', function(post){
const { message, nickname } = post;
$('#messages').append($('<li>').text(`${nickname}: ${message}`));
});
socket.on('user disconnect', function(){
$('#messages').append($('<li>').text('someone disconnected'));
});
});
</script>
</body>
</html>