1.注释说明
https://blog.csdn.net/abc45628/article/details/53919135
例子:
// ==UserScript==
// @name Bonnae News With Text
// @namespace https://github.com/harryhare/Bonnae-News
// @version 0.4
// @description for Bonnae broadcast on douban.com
// @author harryhare
// @match https://www.douban.com/**
// @include https://www.douban.com/**
// @downloadURL https://raw.githubusercontent.com/harryhare/Bonnae-News/master/index2.js
// @grant GM_xmlhttpRequest
// @connect upaste.me
// @connect slexy.org
// @connect paste2.org
// ==/UserScript==
2.跨域访问
https://www.cnblogs.com/onlyxx/p/5179459.html
相对于jsonp的好处,不用写后台程序