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matt .html
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<html>
<head>
<title>Matt's Chat Room</title>
<style>
#chat{
height:500 px;
}
#contentWrap{
display: none;
}
#chatWrap{
float: left;
border: 1px #000 solid;
}
</style>
</head>
<body>
<div id="usernameWrap">
<p>Enter a username</p>
<p id="userError"></p>
<form id="setName">
<input size="35" id="username"></input>
<input type="submit"></input>
</form>
</div>
<div id="contentWrap">
<div id="chatWrap">
<div id="chat"></div>
<form id="sendMessage">
<input size="35" id="message"></input>
<input type="submit"></input>
</form>
</div>
<div id="users"></div>
</div>
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<script src="/socket.io/socket.io.js"></script>
<script>
jQuery(function($) {
var socket = io.connect();
var $usernameForm = $('#setName');
var $userError = $('#userError');
var $usernameText = $('#username');
var $messageForm = $('#sendMessage');
var $messageText = $('#message');
var $chat = $('#chat');
var $users = $('#users');
$usernameForm.submit(function(e){
e.preventDefault();
socket.emit('new user', $usernameText.val(), function(data){
if(data){
$('#usernameWrap').hide();
$('#contentWrap').show();
} else {
$userError.html('That username is already taken.');
}
});
$usernameBox.val('');
});
socket.on('listOfNames', function(data){
var html = '';
for (var i=0;i<data.length;i++){
html += data[i] + "<br/>";
}
$users.html(html);
});
$messageForm.submit(function(e){
e.preventDefault();
socket.emit('send message', $messageText.val());
$messageText.val('');
});
socket.on('new message', function(data){
$chat.append('<b>' + data.user + ': </b>' + data.msg + "<br/>" );
});
});
</script>
</body>
</html>