debug.js会把调试信息显示在网页上，很方便的就能看到。原理也十分简单，动态创建dom元素，然后append到页面中。-The debug. Js will display the debugging information on the web page, very convenient to see.Create dom elements principle is also very simple, dynamic, then append to the page.

易语言 标记网页元素的全源码！网页操作全认知！无模块 纯源码！()