一.效果图
二.使用方法
引用js文件即可, 例如:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>canvas-nest</title> </head> <body> <script type="text/javascript" src="https://blog-static.cnblogs.com/files/yadongliang/canvas-nest.min.js"></script> <canvas height="926" width="1920" style="position: fixed; top: 0px; left: 0px; z-index: -1; opacity: 0.5;" id="c_n1"></canvas> </body> </html>
三.已上传至GitHub(戳我下载)
原文：https://www.cnblogs.com/yadongliang/p/10662394.html