jquery闪烁效果

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>jQuery 闪烁效果</title>
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
    <style>
        .flash {
            padding: 10px;
            background-color: yellow;
            border: 1px solid black;
        }
    </style>
</head>
<body>
    <div class="flash">正在加载...</div>

    <script>
        $(document).ready(function() {
            function flash(element) {
                element.fadeIn(500).fadeOut(500, function() {
                    flash(element);
                });
            }

            var flashElement = $('.flash');
            flash(flashElement);
        });
    </script>
</body>
</html>

function flash(element) {
    element.fadeIn(1000).fadeOut(1000, function() {
        flash(element);
    });
}

<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>