jquery 弹出隐藏层

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>jQuery 弹出隐藏层示例</title>
    <style>
        #modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            justify-content: center;
            align-items: center;
        }
        #modal-content {
            background: white;
            padding: 20px;
            border-radius: 5px;
        }
    </style>
</head>
<body>
    <button id="openModal">打开弹出层</button>
    <div id="modal">
        <div id="modal-content">
            <p>这是一个弹出层！</p>
            <button id="closeModal">关闭</button>
        </div>
    </div>

    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
    <script>
        $(document).ready(function() {
            $('#openModal').click(function() {
                $('#modal').show();
            });

            $('#closeModal').click(function() {
                $('#modal').hide();
            });
        });
    </script>
</body>
</html>