jquery 聊天界面

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>jQuery Chat Interface</title>
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
    <style>
        #chat-box {
            width: 300px;
            height: 400px;
            border: 1px solid #ccc;
            overflow-y: scroll;
            padding: 10px;
        }
        #message-input {
            width: 280px;
            padding: 10px;
            margin-top: 10px;
        }
    </style>
</head>
<body>
    <div id="chat-box"></div>
    <input type="text" id="message-input" placeholder="Type a message...">
    <button id="send-button">Send</button>

    <script>
        $(document).ready(function() {
            $('#send-button').click(function() {
                var message = $('#message-input').val();
                if (message.trim() !== '') {
                    $('#chat-box').append('<p>' + message + '</p>');
                    $('#message-input').val('');
                    $('#chat-box').scrollTop($('#chat-box')[0].scrollHeight);
                }
            });

            $('#message-input').keypress(function(e) {
                if (e.which == 13) {
                    $('#send-button').click();
                }
            });
        });
    </script>
</body>
</html>