js实现右侧悬浮菜单

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>右侧悬浮菜单</title>
    <style>
        body {
            margin: 0;
            padding: 0;
            height: 2000px; /* 示例页面高度 */
        }
        .floating-menu {
            position: fixed;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            background-color: #333;
            color: white;
            padding: 10px;
            border-radius: 5px 0 0 5px;
            box-shadow: -2px 2px 5px rgba(0, 0, 0, 0.3);
        }
        .floating-menu a {
            color: white;
            text-decoration: none;
            margin-left: 10px;
        }
    </style>
</head>
<body>
    <div class="floating-menu">
        <a href="#home">首页</a>
        <a href="#about">关于我们</a>
        <a href="#contact">联系我们</a>
    </div>

    <script>
        // 可以在这里添加交互逻辑，例如点击事件等
        document.querySelectorAll('.floating-menu a').forEach(link => {
            link.addEventListener('click', function(event) {
                event.preventDefault();
                const target = document.querySelector(this.getAttribute('href'));
                if (target) {
                    target.scrollIntoView({ behavior: 'smooth' });
                }
            });
        });
    </script>
</body>
</html>