示例

维洛BLOG(鼠标悬停在链接上,下面的空白区域就会加载网页)

源码

<html>
<head>
    <script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.min.js"></script>
    <script type="text/javascript">
        $(function(){
            $('a').on('mouseover',function(){
                var href = $(this).attr('href');
                $('iframe').attr('src',href);
            });
        });
    </script>
</head>
<body>
    <a href="https://b.xn--xu0a.cn/" >维洛BLOG</a>
    <iframe src=""></iframe>
</body>
</html>