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超星泛雅平台学习通批量改作业
This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://update.greasyfork.org/scripts/512727/1465270/jkToolFuncs.js
// ==UserScript==
// @name jkToolFuncs
// @namespace moe.canfire.flf
// @version 1.0.0
// @description jkToolFuncsxx
// @namespace https://bbs.tampermonkey.net.cn/
// @version 0.1.0
// @description try to take over the world!
// @author You
// @license MIT
// @match *://*/*
// @grant unsafeWindow
// ==/UserScript==
//访问 不到window对象,需用unsafewindow
(function() {
'use strict';
//==========================================================
class jkToolFuncs{
waitFor(fn,interval_10 ,timeout_5000 ) {
//返回promise,//判断变量是否改变，默认间隔10毫秒，超时5000
if(!interval_10)interval_10=3; if(!timeout_5000)timeout_5000=5000;
return new Promise((resolve, reject) => {
let timeoutid=-1;
const checkVariable = setInterval(() => {
if ( fn()==true ) { clearInterval(checkVariable); clearTimeout(timeoutid); resolve(); }
}, interval_10); // 每100毫秒检查一次变量是否达到指定的值
timeoutid=setTimeout(() => {
clearInterval(checkVariable);
reject(new Error('Timeout waiting variable to change'));
}, timeout_5000 );
});
}//===================
sleep( miniseconds ){
//一个简单的promise,延时1毫秒函数,在此基础上，实现同步的wait
return new Promise(function(resolve){
setTimeout(() => resolve("ok"), miniseconds );
})
}//func=========
find(selector){
return document.querySelector(selector);
}
finds(selector){
return document.querySelectorAll(selector);
}
isValid(el){
if((el==undefined)||el==null) return true; else return false;
}
addSheet(cssText,id){
var el=this.sel('#'+id);
if(!this.isvalid(el))return;
var style = document.createElement('style'); style.id=id;
style.innerHTML =cssText;
document.head.appendChild(style);
}
loadScript(url){ //loadscript(url).then
var tmp=url.substring(url.lastIndexOf('/')+1);
return new Promise((resolve,reject)=>{
var script = document.createElement("script");
script.type = "text/javascript";
if(script.readyState){ //只有ie才有
script.onreadystatechange = function(){
if(script.readyState == "complete" || script.readyState == "loaded"){
console.log(tmp+" load Ok ie")
resolve()
}
}
}else{
script.onload = function(){
console.log(tmp+" load Ok browser")
resolve()
}
}
script.src = url;
document.head.appendChild(script);
})
}//loadScript("01.js","test")
async loadjQuery(){
if(!window.jQuery){ return this.loadScript('https://code.jquery.com/jquery-3.6.0.min.js' ); } return false;
}//function
}//class========================
unsafeWindow.jk=new jkToolFuncs();
//==========================================================
})();