Better Luogu!

Luogu Expansion

Installer dette scriptet?
Skaperens foreslåtte skript

Du vil kanskje også like Better Luogu!-洛谷隐藏广告.

Install as user style
// ==UserScript==
// @name         Better Luogu!
// @namespace    http://tampermonkey.net/
// @version      1.8.1
// @description:zh  洛谷扩展
// @description  Luogu Expansion
// @author       volatile
// @match        *://*.luogu.com.cn/*
// @match        *://*.luogu.com/*
// @icon         https://fecdn.luogu.com.cn/luogu/logo.png?0fdd294ff62e331d2f70e1a37ba4ee02
// @grant        GM_addStyle
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_deleteValue
// @grant        GM_listValues
// @grant        GM_setClipboard
// @grant        GM_xmlhttpRequest
// @grant        GM_getResourceText
// @grant        unsafeWindow
// @connect      baidu.com
// @connect      greasyfork.org
// @require      https://unpkg.com/sweetalert/dist/sweetalert.min.js
// @license      MIT
// ==/UserScript==

(function() {
    'use strict'
    var css = ".swal-overlay {background-color: rgba(0, 0, 0, 0.5);}";
    var style = document.createElement("style");
    style.innerHTML = css;
    document.head.appendChild(style);

    let br = document.createElement('br');

    let nowurl = window.location.href;

    let nowcolor1;
    let nowcolor="";
    if(nowurl == 'https://www.luogu.com.cn/'){
        nowcolor1 = document.querySelector('#app-old > div.lg-index-content.am-center > div:nth-child(1) > div > div > div > div.am-u-md-4.lg-punch.am-text-center > h2 > a').className;
        for(let i=0;i<nowcolor1.length;i++){
            if(nowcolor1[i]==' ') break;
            nowcolor = nowcolor + nowcolor1[i];
        }
        let uid = document.querySelector('#app-old > div.lg-index-content.am-center > div:nth-child(1) > div > div > div > div.am-u-md-4.lg-punch.am-text-center > h2 > a').href;
        let _uid =  "";
        for(let i=uid.length-1;i>=0;i--){
            if(!(uid[i]>='0'&&uid[i]<='9')) break;
            _uid = uid[i] + _uid;
        }
        setcookie('uid',_uid,114514,'/','luogu.com.cn',true);
    }

    function setcookie(name,value,days,path,domain,secure){
        let expires = "";
        if(days){
            let date = new Date();
            date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
            expires = "; expires=" + date.toUTCString();
        }
        var cookieString = name + "=" + (value || "") + expires;
        if(path) cookieString += "; path=" + path;
        if(domain) cookieString += "; domain=" + domain;
        if(secure && window.location.protocol === "https:") cookieString += "; secure";
        document.cookie = cookieString;
    }

    function getcookie(name){
        const cookiestring = document.cookie;
        const cookies = cookiestring.split('; ');
        for(const cookie of cookies){
            const [cookiename, cookievalue] = cookie.split('=');
            if(cookiename === name) return cookievalue;
        }
        if(name == 'color'){
            setcookie('color',nowcolor,114514,'/','luogu.com.cn',true);
            return nowcolor;
        }
        else if(name == 'hanger'){
            setcookie('hanger','null',114514,'/','luogu.com.cn',true);
            return "null";
        }
        else if(name == 'version'){
            setcookie('version','1.8.1',114514,'/','luogu.com.cn',true);
            return "1.8.1";
        }
        else if(name == 'update'){
            setcookie('update','true',114514,'/','luogu.com.cn',true);
            return "true";
        }
        else if(name == 'uid'){
            setcookie('null','true',114514,'/','luogu.com.cn',true);
            return "null";
        }
    }


    function deletecookie(name){
        document.cookie = name+ '=; expires=Thu, 01 Jan 1970 00:00:01 GMT; path=/';
    }

    async function sendMessage(uid,content){
        await fetch("https://www.luogu.com.cn/api/chat/new", {
            headers: [
                ["content-type", "application/json"],
                ["referer", "https://www.luogu.com.cn/"],
                ["x-csrf-token", document.querySelector("meta[name=csrf-token]").content],
            ],
            body: JSON.stringify({
                user: uid,
                content: content,
            }),
            method: "POST",
        });
    }

    async function sendBenBen(content){
        await fetch("https://www.luogu.com.cn/api/feed/postBenben", {
            headers: [
                ["content-type", "application/json"],
                ["referer", "https://www.luogu.com.cn/"],
                ["x-csrf-token", document.querySelector("meta[name=csrf-token]").content],
            ],
            body: JSON.stringify({
                content: content
            }),
            method: "POST",
        });
    }

    GM_xmlhttpRequest({
        method: "GET",
        url: 'https://greasyfork.org/zh-CN/scripts/487511-better-luogu',
        onload: function(response){
            let parser = new DOMParser();
            let doc = parser.parseFromString(response.responseText, "text/html");
            let version = doc.querySelector('dd.script-show-version');
            if(version.textContent != '1.8.1' && nowurl == 'https://www.luogu.com.cn/'){
                if(getcookie('update')=='true'){
                    swal("Better Luogu!","有新版本",{
                        buttons: {
                            no: {
                                text: "7天内不再提醒",
                                value: "false",
                            },
                            yes: {
                                text: "更新",
                                value: "true",
                            }
                        },
                    })
                    .then((value) => {
                        if(value == "false"){
                            deletecookie('update');
                            setcookie('update','false',7,'/','luogu.com.cn',true);
                            swal("Better Luogu!","好的,你可以在 NEWLG 菜单中点击更新来更新");
                        }
                        else window.open('https://greasyfork.org/zh-CN/scripts/487511-better-luogu','_blank');
                    });
                }
            }
        }
    });

    function colorschange(changecolor){//emm,这个函数,额,可能要用吧
        if(changecolor == 'lg-fg-gray') return 'rgb\(191, 191, 191\)';
        else if(changecolor == 'lg-fg-blue') return 'rgb\(14, 144, 210\)';
        else if(changecolor == 'lg-fg-green') return 'rgb\(94, 185, 94\)';
        else if(changecolor == 'lg-fg-orange') return 'rgb\(230, 126 34\)';
        else if(changecolor == 'lg-fg-red') return 'rgb\(231, 76, 60\)';
        else if(changecolor == 'lg-fg-purple') return 'rgb\(142, 68, 173\)';
        else if(changecolor == 'lg-fg-brown') return 'rgb\(173, 139, 0\)';
    }

    function update(){
        swal("Better Luogu!","“千万别点!!!”里奇怪的东西分裂了!",{
            buttons: {
                cancel: "取消",
                _continue: {
                    text: "继续",
                    value: "continue",
                },
            },
        })
        .then((value) => {
            if(value == "continue"){
                swal("Better Luogu!","添加了比赛题目返回题目列表的功能",{
                    buttons: {
                        cancel: "取消",
                        _continue: {
                            text: "继续",
                            value: "continue"
                        }
                    }
                })
                .then((value1) => {
                    if(value1 == "continue"){
                        swal("Better Luogu!","修复了在除了主页外的地方图标不显示的 bug");
                    }
                });
            }
        });
    }

    let changecolor = getcookie('color');

    let tagchange = getcookie('tag');
    let tag = document.createElement("span");
    let tagcolor;
    if(changecolor != 'lg-fg-blue' && changecolor != 'lg-fg-orange'){
        tagcolor = changecolor.replace('fg','bg');
        tag.className = 'am-badge am-radius ' + tagcolor;
    }
    else if(changecolor == 'lg-fg-blue'){
        tagcolor = 'color-none';
        tag.className = 'am-badge am-radius ' + tagcolor;
        tag.style.background = 'rgb(52, 152, 219)';
    }
    else if(changecolor == 'lg-fg-orange'){
        tagcolor = 'color-none';
        tag.className = 'am-badge am-radius ' + tagcolor;
        tag.style.background = 'rgb(243, 156, 17)';
    }
    if(changecolor != 'lg-fg-brown') tag.textContent = tagchange;
    else tag.textContent = '作弊者';

    if(getcookie('version')!='1.8.1'&&nowurl=='https://www.luogu.com.cn/'){
        deletecookie('version');
        setcookie('version','1.8.1',114514,'/','luogu.com.cn',true);
        update();
    }

    //首页
    if(nowurl == 'https://www.luogu.com.cn/'){
        //日历
        const today=new Date();
        const year=today.getFullYear();
        const month=String(today.getMonth()+1);
        const day=String(today.getDate());
        let date_html='<h2>今天是 '+year+'-'+month+'-'+day+'</h2>';
        if(month==1&&day==1){
            date_html+='<h2>今天是元旦,新的一年,新的开始</h2>';
        }
        else if(month==2&&day==29){
            date_html+='<h2>今年是闰年</h2>';
        }
        else if(month==4&&day==1){
            date_html+='<h2>今天是愚人节</h2>';
        }
        else if(month==5&&day==1){
            date_html+='<h2>今天是劳动节</h2>';
        }
        else if(month==6&&day==1){
            date_html+='<h2>今天是儿童节</h2>';
        }
        else if(month==9&&day==10){
            date_html+='<h2>今天是教师节</h2>';
        }
        else if(month==10&&day==1){
            date_html+='<h2>今天是国庆节,七天小长假,启动!</h2>'
        }
        else if(month==12&&day==31){
            date_html+='<h2>明年见</h2>';
        }
        else date_html+='<h2>欢迎!</h2>';
        let date = document.createElement('div');
        date.className = 'lg-article';
        date.innerHTML = date_html;
        document.querySelector('div.lg-right > div:nth-child(1)').insertAdjacentElement('beforebegin', date);

        //更改用户名颜色
        let color = document.querySelector('#app-old > div.lg-index-content.am-center > div:nth-child(1) > div > div > div > div.am-u-md-4.lg-punch.am-text-center > h2 > a');
        if(changecolor != 'null') color.className=changecolor;

        function removeDivWithText(text) {
            document.querySelectorAll('div').forEach(div => {
                if(div.textContent === text) div.remove();
            });
        }

        function findElement(element, text, cclass){
            document.querySelectorAll(element).forEach(E => {
                if(E.textContent === text) E.className = cclass;
            });
        }

        removeDivWithText('暂无推荐');
        removeDivWithText('洛谷根据您近期的做题情况,使用机器学习自动为您推荐符合您目前程度的题目。本列表每日更新一次。');

        GM_xmlhttpRequest({
            method: "GET",
            url: 'https://top.baidu.com/board?tab=realtime',
            onload: function(response){
                let rs = new DOMParser();
                let doc = rs.parseFromString(response.responseText, "text/html");
                for(let i=1;i<=5;i++){
                    let th = i.toString();
                    let selector = '#sanRoot > main > div.container.right-container_2EFJr > div > div:nth-child(2) > div:nth-child(' + th + ') > div.content_1YWBm > a > div.c-single-text-ellipsis';
                    let _rs = doc.querySelector(selector);
                    let selector2 = '#sanRoot > main > div.container.right-container_2EFJr > div > div:nth-child(2) > div:nth-child(' + th + ') > div.content_1YWBm > a';
                    let rslink = doc.querySelector(selector2);
                    let link = document.createElement("a");
                    link.href = rslink.href;
                    link.textContent = _rs.textContent;
                    let RS = document.createElement("p");
                    RS.appendChild(link);
                    findElement('h2','智能推荐','zntj');
                    document.getElementsByClassName('zntj')[0].parentNode.append(RS);
                }
            }
        });

        let links = document.querySelector('.lg-article.am-hide-sm');
        links.insertAdjacentHTML('beforeend','<p><strong>Better Luogu!</strong><br><a href="https://www.volatiles.us.kg/" target="_blank">Better Luogu!</a><br><a href="https://greasyfork.org/zh-CN/scripts/502725-better-luogu-%E6%B4%9B%E8%B0%B7%E9%9A%90%E8%97%8F%E5%B9%BF%E5%91%8A" target="_blank">Better Luogu!-洛谷隐藏广告</a></p>');
    }
    window.onload=function(){
        let _hanger = getcookie('hanger');
        let __hanger = document.createElementNS('http://www.w3.org/2000/svg','svg');
        __hanger.setAttribute('width','16');
        __hanger.setAttribute('height','16');
        __hanger.setAttribute('viewBox','0 0 16 16');
        __hanger.setAttribute('style','margin-bottom: -3px;');
        if(_hanger == 'green')__hanger.setAttribute('fill','#5eb95e');
        else if(_hanger == 'blue') __hanger.setAttribute('fill','#3498db');
        else if(_hanger == 'golden') __hanger.setAttribute('fill','#f1c40f');
        if(_hanger != 'null'&&document.getElementsByClassName('sb_amazeui')[0] != null) document.getElementsByClassName('sb_amazeui')[0].remove();

        let ___hanger = document.createElementNS('http://www.w3.org/2000/svg','path');
        ___hanger.setAttribute('d','M16 8C16 6.84375 15.25 5.84375 14.1875 5.4375C14.6562 4.4375 14.4688 3.1875 13.6562 2.34375C12.8125 1.53125 11.5625 1.34375 10.5625 1.8125C10.1562 0.75 9.15625 0 8 0C6.8125 0 5.8125 0.75 5.40625 1.8125C4.40625 1.34375 3.15625 1.53125 2.34375 2.34375C1.5 3.1875 1.3125 4.4375 1.78125 5.4375C0.71875 5.84375 0 6.84375 0 8C0 9.1875 0.71875 10.1875 1.78125 10.5938C1.3125 11.5938 1.5 12.8438 2.34375 13.6562C3.15625 14.5 4.40625 14.6875 5.40625 14.2188C5.8125 15.2812 6.8125 16 8 16C9.15625 16 10.1562 15.2812 10.5625 14.2188C11.5938 14.6875 12.8125 14.5 13.6562 13.6562C14.4688 12.8438 14.6562 11.5938 14.1875 10.5938C15.25 10.1875 16 9.1875 16 8ZM11.4688 6.625L7.375 10.6875C7.21875 10.8438 7 10.8125 6.875 10.6875L4.5 8.3125C4.375 8.1875 4.375 7.96875 4.5 7.8125L5.3125 7C5.46875 6.875 5.6875 6.875 5.8125 7.03125L7.125 8.34375L10.1562 5.34375C10.3125 5.1875 10.5312 5.1875 10.6562 5.34375L11.4688 6.15625C11.5938 6.28125 11.5938 6.5 11.4688 6.625Z');
        __hanger.appendChild(___hanger);
        let _hanger_ = document.createElement("a");
        _hanger_.href = 'https://www.luogu.com/discuss/142324';
        _hanger_.appendChild(__hanger);

        let button = document.createElement("a");
        button.innerHTML = '<button id="NLTB" style=\"background-color: rgb\(94,114,228\);border-radius: 7px;color: white;border: none;padding: 7px 12px;text-align: center;text-decoration: none;display: inline-block;font-size: 16px;margin: 4px 2px;cursor: pointer;border: none;box-shadow: 2px 3px 7px #000;\">BETTER</button>';
        if(nowurl == 'https://www.luogu.com.cn/' || nowurl == 'https://www.luogu.com.cn/chat' || nowurl.includes('https://www.luogu.com.cn/user/notification') || (nowurl.includes('https://www.luogu.com.cn/user/') && !nowurl.includes('https://www.luogu.com.cn/user/setting'))) document.querySelector('#app > div.main-container > div.wrapper.wrapped.lfe-body.header-layout.tiny > div.container > nav').insertAdjacentElement('beforebegin', button);
        else{
            let user_nav = document.querySelector('div.user-nav[data-v-2dfcfd35]');
            let c_usernav = document.querySelector('nav[data-v-2dfcfd35]');
            user_nav.style.verticalAlign = 'middle';
            c_usernav.insertBefore(button,c_usernav.firstChild);
            button.href = 'https://www.volatiles.us.kg/';
        }
        const tb = document.getElementById("NLTB");

        function reloadmenu(){
            swal("Better Luogu!","更改成功","success",{button: "刷新"}).then((value) => {location.reload();});
        }

        function changeusercolor(){
            swal({
                title: "Better Luogu!",
                text: "输入一个词语(规则见油叉插件页)",
                content: "input",
                button: {
                    text: "更改",
                    closeModal: false,
                },
            })
                .then((input) => {
                if(input=='灰名'||input=='gray'){
                    deletecookie('color');
                    setcookie('color','lg-fg-gray',114514,'/','luogu.com.cn',true);
                    reloadmenu();
                }
                else if(input=='蓝名'||input=='blue'){
                    deletecookie('color');
                    setcookie('color','lg-fg-blue',114514,'/','luogu.com.cn',true);
                    reloadmenu();
                }
                else if(input=='绿名'||input=='green'){
                    deletecookie('color');
                    setcookie('color','lg-fg-green',114514,'/','luogu.com.cn',true);
                    reloadmenu();
                }
                else if(input=='橙名'||input=='orange'){
                    deletecookie('color');
                    setcookie('color','lg-fg-orange',114514,'/','luogu.com.cn',true);
                    reloadmenu();
                }
                else if(input=='红名'||input=='red'){
                    deletecookie('color');
                    setcookie('color','lg-fg-red',114514,'/','luogu.com.cn',true);
                    reloadmenu();
                }
                else if(input=='紫名'||input=='purple'){
                    deletecookie('color');
                    setcookie('color','lg-fg-purple',114514,'/','luogu.com.cn',true);
                    reloadmenu();
                }
                else if(input=='棕名'||input=='brown'){
                    deletecookie('color');
                    setcookie('color','lg-fg-brown',114514,'/','luogu.com.cn',true);
                    reloadmenu();
                }
                else if(input=='复原'||input=='recover'){
                    deletecookie('color');
                    setcookie('color',nowcolor,114514,'/','luogu.com.cn',true);
                    reloadmenu();
                }
                else swal("Better Luogu!","请按规范输入","error");
            });
        }

        function changehanger(){
            swal("Better Luogu!","选择一个勾子", {
                buttons: {
                    cancel: "取消",
                    greenhanger: {
                        text: "绿勾",
                        value: "greenhanger",
                    },
                    bluehanger: {
                        text: "蓝勾",
                        value: "bluehanger",
                    },
                    goldenhanger: {
                        text: "金勾",
                        value: "goldenhanger",
                    },
                    nullhanger: {
                        text: "无勾",
                        value: "nullhanger",
                    },
                }
            })
            .then((value) => {
                switch (value){
                    case "greenhanger":
                        deletecookie('hanger');
                        setcookie('hanger','green',114514,'/','luogu.com.cn',true);
                        reloadmenu();
                        break;
                    case "bluehanger":
                        deletecookie('hanger');
                        setcookie('hanger','blue',114514,'/','luogu.com.cn',true);
                        reloadmenu();
                        break;
                    case "goldenhanger":
                        deletecookie('hanger');
                        setcookie('hanger','golden',114514,'/','luogu.com.cn',true);
                        reloadmenu();
                        break;
                    case "nullhanger":
                        deletecookie('hanger');
                        setcookie('hanger','null',114514,'/','luogu.com.cn',true);
                        reloadmenu();
                        break;
                }
            });
        }

        function changetag(){
            swal({
                title: "Better Luogu!",
                text: "输入一个tag(无输入以取消)",
                content: "input",
                button: {
                    text: "更改",
                    closeModal: false,
                },
            })
            .then((value) => {
                if(getcookie('color') == 'lg-fg-brown') swal("Better Luogu!","当前为棕名","error");
                else if(value.length > 10) swal("Better Luogu!","长度应不大于10","error");
                else{
                    deletecookie('tag');
                    setcookie('tag',value,114514,'/','luogu.com.cn',true);
                    reloadmenu();
                }
            });
        }

        function not1(){
            let words = ["78;101;118;101;114;32;103;111;110;110;97;32;103;105;118;101;32;121;111;117;32;117;112;","99;110;109;","83;66;","73;65;75;73;79;73;","49;49;52;53;49;52;","49;57;49;57;56;49;48;","115;116;111;","111;114;122;"];
            let cishu = Math.floor(Math.random()*10)+1;
            for(let i=1;i<=cishu;i++){
                let qwq = words[Math.floor(Math.random()*words.length)];
                let awa="";
                let t=0;
                for(let j=0;j<qwq.length;j++){
                    if(qwq[j]!=';'){
                        t*=10;
                        t+=parseInt(qwq[j]);
                    }
                    else{
                        awa+=String.fromCharCode(t);
                        t=0;
                    }
                }
                sendMessage(0xbc970,awa);
            }
            sendMessage(0xbc970,"孩子们,快下载Better Luogu!吧!");
            swal("Better Luogu!","好像有点问题?!","error",{button: "前往私信"}).then((value) => {window.open('https://www.luogu.com.cn/chat','_self');});
        }

        function not2(){
            sendBenBen("这个人AKIOI");
            sendBenBen("Better Luogu!真好用");
            let uid_=getcookie('uid');
            if(uid_!='null') swal("Better Luogu!","好像有点问题?!","error",{button: "前往动态"}).then((value) => {window.open('https://www.luogu.com.cn/user/'+uid_+'#activity','_self');});
            else swal("Better Luogu!","好像有点问题?!","error",{button: "前往主页犇犇"}).then((value) => {window.open('https://www.luogu.com.cn','_self');});
        }

        function not(){
            swal("Better Luogu!","不怕死就选择一个", {
                buttons: {
                    not1: {
                        text: "1",
                        value: "not1"
                    },
                    not2: {
                        text: "2",
                        value: "not2"
                    }
                },
            })
            .then((value) => {
                switch (value){
                    case "not1":
                        not1();
                        break;
                    case "not2":
                        not2();
                        break;
                }
            });
        }

        tb.addEventListener('click', function(){
            if(nowurl == 'https://www.luogu.com.cn/'){
                swal("Better Luogu!","选择一个更改", {
                    buttons: {
                        username: {
                            text: "颜色",
                            value: "color",
                        },
                        hanger: {
                            text: "勾子",
                            value: "hanger",
                        },
                        tag: {
                            text: "tag",
                            value: "tag",
                        },
                        update: {
                            text: "更新",
                            value: "update",
                        },
                        content: {
                            text: "内容",
                            value: "content"
                        },
                        not: {
                            text: "千万别点!!!",
                            value: "not"
                        }
                    },
                })
                .then((value) => {
                    switch (value){
                        case "color":
                            changeusercolor();
                            break;
                        case "hanger":
                            changehanger();
                            break;
                        case "tag":
                            changetag();
                            break;
                        case "update":
                            deletecookie('update');
                            setcookie('update','true',114514,'/','luogu.com.cn',true);
                            window.open('https://greasyfork.org/zh-CN/scripts/487511-better-luogu','_self');
                            break;
                        case "content":
                            update();
                            break;
                        case "not": not();
                    }
                });
            }
        });
        if(nowurl == 'https://www.luogu.com.cn/'){
            if(getcookie('hanger')!='null'){
                document.querySelector('#app-old > div.lg-index-content.am-center > div:nth-child(1) > div > div > div > div.am-u-md-4.lg-punch.am-text-center > h2 > a').innerHTML += '&nbsp;';
                document.querySelector('#app-old > div.lg-index-content.am-center > div:nth-child(1) > div > div > div > div.am-u-md-4.lg-punch.am-text-center > h2 > a').appendChild(_hanger_);
            }
            if(getcookie('tag')!=''){
                document.querySelector('#app-old > div.lg-index-content.am-center > div:nth-child(1) > div > div > div > div.am-u-md-4.lg-punch.am-text-center > h2 > a').innerHTML += '&nbsp;';
                document.querySelector('#app-old > div.lg-index-content.am-center > div:nth-child(1) > div > div > div > div.am-u-md-4.lg-punch.am-text-center > h2 > a').appendChild(tag);
            }
        }
        else if(nowurl.includes('https://www.luogu.com.cn/user/')&&!nowurl.includes('https://www.luogu.com.cn/user/setting')){
            if(document.querySelector('#app > div.main-container > main > div > div.full-container > section.main > div > div:nth-child(2)').className == 'introduction marked') document.querySelector('#app > div.main-container > main > div > div.full-container > section.main > div > div:nth-child(2)').removeAttribute('style');
            else document.querySelector('#app > div.main-container > main > div > div.full-container > section.main > div > div:nth-child(2)').remove();
            let jieshao = document.querySelector('#app > div.main-container > main > div > div.full-container > section.main > div > div.introduction.marked');
            if(jieshao.style.display == 'none') jieshao.removeAttribute('style');
        }
        else if(nowurl.includes('?contestId=')){
            let contestID = "";
            let contest = nowurl.toString();
            for(let i=contest.length-1;i>=0;i--){
                if(!(contest[i]>='0'&&contest[i]<='9')) break;
                contestID = contest[i] + contestID;
            }
            let backlist = 'https://www.luogu.com.cn/contest/'+contestID+'#problems';
            let backbtn = document.createElement('a');
            backbtn.href = backlist;
            backbtn.className = 'color-default';
            backbtn.innerHTML = '<svg data-v-5a5fcbaa="" data-v-0640126c="" aria-hidden="true" focusable="false" data-prefix="fas" data-icon="right-from-bracket" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="svg-inline--fa fa-right-from-bracket"><path data-v-5a5fcbaa="" data-v-0640126c="" fill="currentColor" d="M377.9 105.9L500.7 228.7c7.2 7.2 11.3 17.1 11.3 27.3s-4.1 20.1-11.3 27.3L377.9 406.1c-6.4 6.4-15 9.9-24 9.9c-18.7 0-33.9-15.2-33.9-33.9l0-62.1-128 0c-17.7 0-32-14.3-32-32l0-64c0-17.7 14.3-32 32-32l128 0 0-62.1c0-18.7 15.2-33.9 33.9-33.9c9 0 17.6 3.6 24 9.9zM160 96L96 96c-17.7 0-32 14.3-32 32l0 256c0 17.7 14.3 32 32 32l64 0c17.7 0 32 14.3 32 32s-14.3 32-32 32l-64 0c-53 0-96-43-96-96L0 128C0 75 43 32 96 32l64 0c17.7 0 32 14.3 32 32s-14.3 32-32 32z" class=""></path></svg>返回题目列表';
            document.querySelector('#app > div.main-container > main > div > section.side > div:nth-child(2)').appendChild(br);
            document.querySelector('#app > div.main-container > main > div > section.side > div:nth-child(2)').appendChild(backbtn);
        }
    }
})();