效果如下：
代码如下：
<script type="text/javascript"> if (screen && screen.width > 860) { document.write(‘<script type="text/javascript" src="https://blog-static.cnblogs.com/files/vivin-echo/fireworks.js"><\/script>‘); } </script> <script type="text/javascript"> if (screen && screen.width > 860) { document.write(‘<script type="text/javascript" src="https://blog-static.cnblogs.com/files/vivin-echo/cursor-effects.js"><\/script>‘); } </script>
原文：https://www.cnblogs.com/vivin-echo/p/14085137.html