mis.USTC.helper

user.js

// ==UserScript==
// @name         mis.USTC Helper
// @namespace    mis.ustc.edu.cn
// @version      0.0
// @description  delete login information for USTC mis automatically
// @author       H.Zhang
// @match        http://mis.teach.ustc.edu.cn/
// @match        http://mis.teach.ustc.edu.cn/index.jsp
// @grant        none
// ==/UserScript==

(function(){
    document.getElementsByClassName('bg2')[0].onclick=function(){
        document.cookie.split(";").forEach(function(c) {
            document.cookie = c.replace(/^ +/, "").replace(/=.*/, "=;expires=" + new Date().toUTCString() + ";path=/"); 
        });
    };
})();