NodeJS/index.html at master · saym146/NodeJS · GitHub

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<!DOCTYPE html>

<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="utf-8" />
    <!-- Latest compiled and minified CSS -->
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">

    <!-- jQuery library -->
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>

    <!-- Latest compiled JavaScript -->
    <script src="/socket.io/socket.io.js"></script>
    <title></title>
    <style>
        body {
            margin-top: 30px;
        }

        #messageArea {
            display: none;
        }
    </style>
</head>
<body>
    <div class="container">
        <div id="userFormArea" class="row">
            <div class="col-lg-4 col-md-2">
                <form id="userForm">
                    <div class="form-group">
                        <label>Enter Your Name</label>
                        <input class="form-control" id="userName" />
                        <br />
                        <input type="submit" class="btn btn-primary" value="Login" />
                    </div>
                </form>
            </div>
        </div>
        <div id="messageArea" class="row">
            <div class="col-lg-4">
                <div class="well">
                    <h3>Online users</h3>
                    <ul class="list-group" id="users"></ul>
                </div>
            </div>
            <div class="col-lg-8">
                <div class="chat" id="chat"></div>
                <form id="messageForm">
                    <div class="form-group">
                        <label>Enter Message</label>
                        <textarea class="form-control" id="message"></textarea>
                        <br />
                        <input type="submit" class="btn btn-primary" value="Send Message" />
                    </div>
                </form>
            </div>
        </div>
    </div>
</body>
</html>
<script type="text/javascript">
    $(function () {
        var socket = io.connect();
        var $messageForm = $('#messageForm');
        var $message = $('#message');
        var $chat = $('#chat');
        var $messageArea = $('#messageArea');
        var $userFormArea = $('#userFormArea');
        var $userForm = $('#userForm');
        var $users = $('#users');
        var $userName = $('#userName');

        $messageForm.submit(function (e) {
            e.preventDefault();
            socket.emit('send message', $message.val());
            $message.val('');
        });
        socket.on('new message', function (data) {
            $chat.append('<div class="well"><strong>' + data.userName + '</strong> :' + data.msg + '</div>');
        });

        socket.on('get users', function (data) {
            var html = '';
            for (var i = 0; i < data.length; i++) {
                html += '<li class="list-group-item">' + data[i] + '</li>';
            }
            $users.html(html);
        });

        $userForm.submit(function (e) {
            e.preventDefault();
            socket.emit('new user', $userName.val(), function (data) {
                if (data) {
                    $userFormArea.hide();
                    $messageArea.show();
                }
            });
            $userName.val('');
        });
    });
</script>