// ==UserScript==
// @name         洛谷去广告
// @version      1.0
// @description  自动关闭洛谷题目页面的推广广告
// @author       Zander_Alastor
// @match        *://www.luogu.com.cn/problem/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=www.luogu.com.cn
// @grant        none
// @namespace https://greasyfork.org/users/515186
// @downloadURL https://update.greasyfork.icu/scripts/448988/%E6%B4%9B%E8%B0%B7%E5%8E%BB%E5%B9%BF%E5%91%8A.user.js
// @updateURL https://update.greasyfork.icu/scripts/448988/%E6%B4%9B%E8%B0%B7%E5%8E%BB%E5%B9%BF%E5%91%8A.meta.js
// ==/UserScript==

(function(){
    const $=document.getElementsByClassName.bind(document);

    window.onload=function(){
        var myVar = setInterval(function(){
            //alert("Hello");
            const findElem=findElemByText.bind($("lfe-form-sz-small"))
            const sub=findElem("关闭");
            if(sub){
                sub.click();
                clearInterval(myVar);
            }
        }, 100);
    }

    function findElemByText(text) {
        for (const elem of this) {
            if (elem.innerText.includes(text)) {
                return elem
            }
        }
        return null
    }
})();