jquery 漂浮广告代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>jQuery 漂浮广告</title>
    <style>
        #floating-ad {
            position: absolute;
            top: 50px;
            left: 50px;
            width: 200px;
            height: 100px;
            background-color: #f0f0f0;
            border: 1px solid #ccc;
            padding: 10px;
            box-shadow: 2px 2px 5px #aaa;
        }
    </style>
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
</head>
<body>
    <div id="floating-ad">
        <p>这是一个漂浮广告</p>
        <a href="https://example.com">点击这里</a>
    </div>

    <script>
        $(document).ready(function() {
            var ad = $('#floating-ad');
            var adWidth = ad.outerWidth();
            var adHeight = ad.outerHeight();
            var windowWidth = $(window).width();
            var windowHeight = $(window).height();

            function moveAd() {
                var x = Math.max(0, Math.min(windowWidth - adWidth, Math.random() * windowWidth));
                var y = Math.max(0, Math.min(windowHeight - adHeight, Math.random() * windowHeight));
                ad.css({ top: y, left: x });
            }

            setInterval(moveAd, 2000);
        });
    </script>
</body>
</html>