jquery背景切换导航特效

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>jQuery 背景切换导航特效</title>
    <style>
        .nav-item {
            padding: 10px;
            margin: 5px;
            cursor: pointer;
        }
    </style>
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
</head>
<body>
    <div class="nav">
        <div class="nav-item" data-bg-color="#ffcccc">导航1</div>
        <div class="nav-item" data-bg-color="#ccffcc">导航2</div>
        <div class="nav-item" data-bg-color="#ccccff">导航3</div>
    </div>

    <script>
        $(document).ready(function() {
            $('.nav-item').hover(
                function() {
                    // 鼠标悬停时改变背景颜色
                    $(this).css('background-color', $(this).data('bg-color'));
                },
                function() {
                    // 鼠标移开时恢复默认背景颜色
                    $(this).css('background-color', '');
                }
            );
        });
    </script>
</body>
</html>