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wjx_autofill

根据用户设定,自动填写问卷星问卷

// ==UserScript==
// @name         wjx_autofill
// @namespace    _s7util__
// @version      0.1.18
// @description  根据用户设定,自动填写问卷星问卷
// @author       shc0743
// @match        http*://*.wjx.top/*
// @match        http*://*.wjx.com/*
// @match        http*://*.wjx.cn/*
// @match        http*://survey.coreland.net/*
// @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant        none
// @supportURL   mailto:shc0743@outlook.com?subject=wjx_autofill%20Report
// @license      GPL-3.0
// @run-at       document-start
// ==/UserScript==

(function () {
    'use strict';

    // Your code here...

    var only_run_in_top_frame = true;

    try {
        let unwritable_list = [
            {
                object: window.document,
                key: 'oncontextmenu'
            },
            {
                object: window.document,
                key: 'ondragstart'
            },
            {
                object: window.document,
                key: 'onselectstart'
            },
        ];
        for (let i of unwritable_list) {
            Object.defineProperty(i.object, i.key, {
                get() { return null },
                set(value) { void (value) },
                enumerable: false,
                configurable: true
            });
        }
    }
    catch (error) {
        console.warn(error);
    }

function DCL () {
    /* **** [BEGIN] Script **** */

    if (only_run_in_top_frame && (window.top != window.self)) return null;

    if (location.host.includes('survey.coreland.net')) {
        location.host = 'ks.wjx.top'
        return;
    }
    if (location.pathname.startsWith('/vm/')) {
        location = location.href.replace('/vm/', '/vj/');
        return;
    }


    /* **** [BEGIN] 根元素创建 **** */
    var root = document.createElement('div');
    document.body.append(root);
    /* **** [END] 根元素创建 **** */


    /* **** [BEGIN] 数据声明 **** */
    
    var panel_class = '__' + randstr(8);
    var myops_classn = '__opts' + randstr(4);
    var mydlg_classn = '__' + randstr(8);
    var myhovbn_classn = '__btn_hover_' + randstr(4);
    var mybnchecked_classn = '__btn_checked_' + randstr(4);
    var bgwhite_classn = '__bgwhite_' + randstr(4);
    var mytimer_classn = '__' + randstr(8);
    var mytedit_classn;
    var mysett_classn;

    var sess_q_ans    = '__wjx_autofill_enter_q_answer_mode';
    var sess_autofill = '__wjx_autofill_execute_autofill';
    var sess_settings = '__wjx_autofill_open_settings';
    var sess_lastpage = '__wjx_autofill_last_page';
    var sess_shwtimer = '__wjx_autofill_show_timer';

    var szDataKeyName = '__wjx_autofill_datas_part';

    var nAvailableStorageId_regexp = /([^A-z0-9])|\[|\]|\^|\`|\\/igm;
    var nAvailableStorageId = '0';
    nAvailableStorageId = location.pathname.replace(
        nAvailableStorageId_regexp, '_');
    var nTempStorageId = '0_temp';

    {
        let str = randstr(8);
        mytedit_classn = '__t' + str;
        mysett_classn = '__s' + str;
    }

    /* **** [END] 数据声明 **** */
    

    /* **** [BEGIN] CSS **** */
    var style1 = document.createElement('style');
    style1.innerHTML = `
    /* Global styles */
    * {
        user-select: text !important;
        -webkit-user-select: text !important;
        -moz-user-select: text !important;
        -comment-comment: "Enable selecting";
    }
    *[disabled] {
        cursor: not-allowed !important;
    }

    /* Class styles */
    .${panel_class}
    , .${mytedit_classn}, .${mysett_classn}
    , .${mytimer_classn}
    {
        display: block;
        text-align: center;
        position: fixed;
        box-shadow: 0 0 5px 0;
        background: rgba(255, 255, 255, 0.9);
        padding: 5px 5px;
        font-size: 13px;
    }
    .${panel_class} {
        z-index: 1048571;
        left: 10px;
        bottom: 10px;
        border: 1px solid #cccccc;
    }
    .${mytedit_classn}, .${mysett_classn} {
        position: fixed;
        left: 50%;
        top: 50%;
        min-width: 50%;
        min-height: 50%;
        transform: translate(-50%, -50%);
        border: 2px solid #aaa;
        z-index: 1048572;
    }
    .${mytedit_classn} div[data-container],
    .${mysett_classn} div[data-container] {
        overflow: auto;
    }
    .${mytedit_classn} div[data-container] button {
        display: block;
        width: 100%;
        margin-top: 5px;
        padding: 3px 3px 3px 3px;
    }
    .${mytedit_classn} div[data-container] button[data-code]::after {
        content: " (" attr(data-code) ")";
    }
    .${mytedit_classn} div[data-title] button.h,
    .${mytedit_classn} div[data-title] button.x,
    .${mydlg_classn} div[data-title] button.h,
    .${mydlg_classn} div[data-title] button.x {
        width: 22px;
        height: 22px;
    }
    .${panel_class} a {
        display: block;
        color: blue;
        cursor: pointer;
        text-decoration: none;
        margin-top: 3px;
    }
    .${panel_class} a:hover {
        color: #f90;
        background: #dddddd;
        text-decoration: underline;
    }
    .${myops_classn} {
        margin: 1px 1px;
        padding: 3px 3px;
    }
    .${mydlg_classn} .x {
        position: absolute;
        right: 5px;
    }
    .${mydlg_classn} a, .${mydlg_classn} button {
        cursor: pointer;
    }
    .${mydlg_classn} hr {
        border-style: inset;
        border-width: 1px;
    }
    .${mytimer_classn} {
        right: 50px;
        top: 50px;
        z-index: 1048572;
        color: black;
    }
    .${mytimer_classn} div[data-title] {
        text-align: right;
    }
    .${mytimer_classn} button.x {
        cursor: pointer;
        background: white;
        border-radius: 100%;
        border: 0;
    }
    .${mytimer_classn} div[data-container] {
        font-size: 15px;
    }
    .${mytimer_classn} button.x:hover {
        background: #cccccc;
    }
    .${myhovbn_classn} {
        border: 2px solid #ffffff;
    }
    .${myhovbn_classn}:hover {
        border: 2px dashed;
    }
    .${bgwhite_classn} {
        background: #ffffff;
    }
    .${mybnchecked_classn} {
        background: rgba(221, 221, 221, 0.9);
    }
    `; // style1.innerHTML
    root.append(style1);
    /* **** [END] CSS **** */


    /* **** [BEGIN] 面板UI **** */
    var panel = document.createElement('div');
    panel.classList.add(panel_class);
    panel.innerHTML = `<div>wjx_autofill</div>
    <div class="${myops_classn}"></div>`;
    root.append(panel);
    let p_fieldset = panel.querySelector(`.${myops_classn}`);
    let op_list = {
        "进入编辑模式": function () {
            sessionStorage.setItem(sess_q_ans, '1');
            location.reload();
        },
        "执行自动填写": function () {
            sessionStorage.setItem(sess_autofill, '1');
            location.reload();
        },
        "显示所有问题": function () {
            showAllQuestions();
            arguments[0].remove();
        },
        "打开计时器": function () {
            sessionStorage.setItem(sess_shwtimer, '1');
            exec_showtimer();
        },
        "设置": function () {
            sessionStorage.setItem(sess_settings, '1');
            location.reload();
        },
        "关闭": function () {
            panel.style.display = 'none';
        },
    }; // let op_list
    if (p_fieldset) {
        for (let i in op_list) {
            let a = document.createElement('a');
            a.href = 'javascript:void(0)';
            a.innerHTML = i;
            a.__op = i;
            a.onclick = function (ev) {
                (ev || event).preventDefault();
                try { op_list[this.__op](this); }
                catch (err) {
                    console.error(
                        'Error executing operation '
                        + i + ':', err);
                };
            }
            p_fieldset.append(a);
        }
    } // if (p_fieldset)
    /* **** [END] 面板UI **** */

    
    /* **** [BEGIN] 储存检测 **** */

    if (sessionStorage.getItem(sess_q_ans)) {
        sessionStorage.removeItem(sess_q_ans);
        exec_q_ans();
    } // if (sessionStorage.getItem(sess_q_ans))

    if (sessionStorage.getItem(szDataKeyName + nTempStorageId)) {
        exec_check_temp_data_change();
    } // if (sessionStorage.getItem(szDataKeyName + nTempStorageId))

    if (sessionStorage.getItem(sess_settings)) {
        sessionStorage.removeItem(sess_settings);
        exec_showSettingsPanel();
    } // if (sessionStorage.getItem(sess_settings))

    if (sessionStorage.getItem(sess_autofill)) {
        sessionStorage.removeItem(sess_autofill);
        exec_autofill();
    } // if (sessionStorage.getItem(sess_autofill))

    if (sessionStorage.getItem(sess_shwtimer)) {
        exec_showtimer();
    } // if (sessionStorage.getItem(sess_shwtimer))

    /* **** [END] 储存检测 **** */


    /* **** [BEGIN] 功能逻辑 **** */

    function exec_q_ans() {
        let t_edit = document.createElement('div');
        t_edit.innerHTML = `
        <div data-title>
            <span>编辑器</span>
            <button class=h>-</button><button class=x>x</button>
        </div>
        <hr data-hr1 />
        <div data-container></div>
        `;
        t_edit.classList.add(mytedit_classn);
        t_edit.classList.add(mydlg_classn);

        let hideb = t_edit.querySelector('button.h');
        if (hideb) {
            hideb.setAttribute('style', 'position:absolute;right:30px');
            hideb.onclick = function () {
                this.parentElement.parentElement.style.display = 'none';
                let el = document.createElement('button');
                el.innerHTML = '编辑器';
                el.setAttribute('style', `position:fixed;z-index:1048572;` +
                    `left:2px;bottom:2px;background:white;`);
                root.append(el);
                el.onclick = function () {
                    hideb.parentElement.parentElement.style.display = '';
                    this.remove();
                };
            }
        } // if (hideb)

        let x = t_edit.querySelector('button.x');
        if (x) x.onclick = e => location.reload();

        root.append(t_edit);

        let uanswers = {};

        let saveChanges = function (forever = true) {
            let obj = sessionStorage;
            let nAvailableStorageId2 = nAvailableStorageId;
            if (forever) {
                obj = localStorage;
            } else {
                nAvailableStorageId2 = nTempStorageId;
            }
            let u2 = obj.getItem(szDataKeyName + nAvailableStorageId2) || '{}';
            try { u2 = JSON.parse(u2) }
            catch (err) { u2 = {} };
            let o3 = u2[location.pathname] || {};
            for (let i in uanswers) {
                o3[i] = uanswers[i];
            }
            u2[location.pathname] = o3;
            obj.setItem(szDataKeyName + nAvailableStorageId2, JSON.stringify(u2));
        } // let saveChanges = function (forever = true) 

        let container = t_edit.querySelector('div[data-container]');
        if (container) {
            container.style.maxHeight = myCalcDlgMaxHeight(t_edit);

            let div_goto = document.createElement('div');
            div_goto.innerHTML = `
            <b>转到:</b><span>&nbsp;</span>
            <input type="number" min="0" placeholder="输入 0 转到完成页面" />
            <button data-go>转到</button>
            `;
            div_goto.style.textAlign = 'left';
            container.append(div_goto);
            let container2 = document.createElement('div');
            container.append(container2);
            let input1 = document.createElement('input');
            input1.type = 'text';
            input1.placeholder = 'Input operation code';
            input1.style.display = 'block';
            input1.style.marginTop = '20px';
            container.append(input1);

            let last_id = -1;
            let qs = document.querySelectorAll('.div_question');
            let NextQuestion = null;
            let _tmp_t_type = '';
            let _tmp_uanswer = '';
            let ranswers = null;
            {
                let data = localStorage.getItem(szDataKeyName + nAvailableStorageId);
                if (data) {
                    try {
                        data = JSON.parse(data)[location.pathname];
                        if (data) ranswers = data;
                    }
                    catch (err) { }
                }
            }
            let btn_goto = div_goto.querySelector('button[data-go]');
            if (btn_goto) {
                btn_goto.style.border = '1px solid #000';
                btn_goto.style.display = 'inline';
                btn_goto.style.width = 'auto';
                btn_goto.style.marginTop = '0';
                btn_goto.onclick = function () {
                    var inp = this.parentElement.querySelector('input');
                    if (!inp) return;
                    last_id = inp.value - 2;
                    NextQuestion();
                }
            }

            let inputhandler = function (ev) {
                let dcs = container.querySelectorAll('button[data-code]');
                if (dcs.length > 9) return; // 多于9个选项,跳过
                let _btn1 = container.querySelector(
                    'button[data-code="' + this.value.toUpperCase() + '"]'
                );
                if (_btn1) {
                    this.value = '';
                    return _btn1.click();
                }
            }
            let inputhandler_kd = function (ev) {
                try {
                    if (ev.keyCode == 13) {
                        if (this.value == '') {
                            let a = container.querySelector('button[data-ok]');
                            if (a) a.click();
                            return;
                        }
                        let _btn1 = container.querySelector(
                            'button[data-code="' + this.value.toUpperCase() + '"]'
                        );
                        if (_btn1) {
                            this.value = '';
                            return _btn1.click();
                        }
                        return;
                    }
                }
                catch (err) {
                    console.warn('Error processing keydown:', err);
                }
            }
            input1.onkeydown = inputhandler_kd;
            input1.oninput = inputhandler;

            let qs_did = {};

            let handler_func = function (resolve, reject) {
                if (!qs) reject(new Error('Cannot find questions'));
                ++last_id;
                if (!qs[last_id]) {
                    // 做完了
                    //console.log(uanswers);
                    container2.innerHTML = `
                    <div><button data-c data-code="C">检查答案</button></div>
                    <div><button data-s data-code="S">保存并继续</button></div>
                    <div><button data-x data-code="X">保存并关闭</button></div>
                    <div><button data-g data-code="G">放弃更改</button></div>
                    <div><button data-b data-code="B">上一题</button></div>
                    `;
                    let
                        btn1 = container.querySelector('button[data-c]'),
                        btn2 = container.querySelector('button[data-s]'),
                        btn3 = container.querySelector('button[data-x]'),
                        btn4 = container.querySelector('button[data-g]'),
                        btn5 = container.querySelector('button[data-b]');
                    if (btn1) {
                        btn1.onclick = function () {
                            let subm =
                                document.getElementById('submit_button') ||
                                document.querySelector('.submitbutton');
                            if (!subm) {
                                this.innerHTML = '无法检查答案。请手动点击提交';
                                return;
                            }
                            sessionStorage.setItem(sess_lastpage, location.pathname);
                            saveChanges(false);
                            scrollToBottom();
                            DelayExecute(1000).then(() => {
                                subm.click();
                                btn1.disabled = true;
                            });
                        };
                    }
                    if (btn2) {
                        btn2.onclick = _ => {
                            saveChanges();
                            sessionStorage.setItem(sess_q_ans, '1');
                            location.reload();
                        };
                    }
                    if (btn3) {
                        btn3.onclick = _ => {
                            saveChanges();
                            location.reload();
                        };
                    }
                    if (btn4) {
                        btn4.onclick = _ => {
                            location.reload();
                        };
                    }
                    if (btn5) {
                        btn5.onclick = _ => {
                            last_id -= 2;
                            if (last_id < -1) last_id = -1;
                            NextQuestion();
                        };
                    }
                    return resolve(false);
                }; // if (!qs[last_id])
                let qtitle = qs[last_id].querySelector('.div_title_question');
                if (!qtitle) reject('Cannot locate question title');
                let text1 = qtitle.innerText;

                container2.innerHTML = `
                <div style="font-size: larger;">${last_id + 1}. <b>${text1}</b></div>
                <div data-details></div>
                <br />
                <div><button data-next data-ok data-code="N">下一题</button></div>
                <div><button data-back data-ok data-code="B">上一题</button></div>
                `;

                let btn = container2.querySelector('button[data-next]');
                if (btn) {
                    btn.onclick = function () {
                        uanswers[text1] = _tmp_uanswer;
                        NextQuestion();
                    }
                } // if (btn)
                let btnb = container2.querySelector('button[data-back]');
                if (btnb) {
                    btnb.onclick = function () {
                        last_id -= 2;
                        if (last_id < -1) last_id = -1;
                        NextQuestion();
                    }
                } // if (btnb)

                input1.focus();

                let dets = container2.querySelector('div[data-details]');
                if (dets) {
                    dets.style.textAlign = 'left';
                    let div1 = document.createElement('div');
                    let div2 = document.createElement('div');
                    let div3 = document.createElement('div');
                    dets.append(div1);
                    dets.append(div2);
                    dets.append(div3);

                    div1.style.color = 'red';
                    div1.innerHTML = '类型: <b></b>';
                    let b1 = div1.querySelector('b');
                    try {
                        if (qtitle.parentElement.parentElement
                            .querySelector('textarea') ||
                            qtitle.parentElement.parentElement
                                .querySelector('input[type="text"]')) {
                            b1.innerHTML = '填空题';
                            _tmp_t_type = 'fl'; // fill blank
                        }
                        else if (qtitle.parentElement.parentElement
                            .querySelector('input[type="radio"]')) {
                            b1.innerHTML = '单选题';
                            _tmp_t_type = 'oc'; // one choice
                        }
                        else if (qtitle.parentElement.parentElement
                            .querySelector('input[type="checkbox"]')) {
                            b1.innerHTML = '多选题';
                            _tmp_t_type = 'mc'; // multi choice
                        }
                    } // try
                    catch (err) {
                        console.warn('Error while processing type:', err);
                    } // try {...} catch (err) 

                    _tmp_uanswer = uanswers[text1];

                    if (_tmp_t_type == 'fl') {
                        // 填空
                        let i1 = document.createElement('input');
                        i1.type = 'text';
                        i1.placeholder = '输入答案, 然后按 Enter';
                        i1.style.marginTop = '3px';
                        i1.style.fontSize = 'larger';
                        i1.style.width = container2.clientWidth - 5 + 'px';
                        i1.myelement =
                            qtitle.parentElement.parentElement
                                .querySelector('textarea') ||
                            qtitle.parentElement.parentElement
                                .querySelector('input[type="text"]');
                        i1.oninput = function () {
                            _tmp_uanswer = this.myelement.value = this.value;
                        };
                        i1.onkeydown = function (ev) {
                            if (ev.keyCode == 13) {
                                _tmp_uanswer = this.value;
                                container.querySelector('button[data-ok]').click();
                                this.myelement.value = this.value;
                            }
                        };
                        if (ranswers && (!qs_did[last_id])) {
                            if (ranswers[text1]) {
                                _tmp_uanswer = i1.myelement.value =
                                    i1.value = ranswers[text1];
                                qs_did[last_id] = true;
                            }
                        }
                        if (_tmp_uanswer) {
                            i1.value = _tmp_uanswer;
                        }
                        div2.append(i1);
                        i1.focus();
                    } // if (_tmp_t_type == 'fl')

                    else if (_tmp_t_type == 'oc' || _tmp_t_type == 'mc') {
                        // 获取选项
                        let ops;
                        if (_tmp_t_type == 'oc') {
                            ops = qtitle.parentElement.parentElement
                                .querySelectorAll('input[type="radio"]');
                        } else {
                            ops = qtitle.parentElement.parentElement
                                .querySelectorAll('input[type="checkbox"]');
                        }
                        if (ops) {
                            for (let i in ops) {
                                // 遍历选项
                                let j = document.createElement('button');
                                // j.style.background = 'white';
                                j.classList.add(bgwhite_classn);
                                j.classList.add(myhovbn_classn);
                                div2.append(j);
                                try {
                                    j.innerText = ops[i]
                                        .parentElement
                                        .querySelector('label')
                                        .innerText;
                                    j.setAttribute('data-code', parseInt(i) + 1);
                                } // try
                                catch (err) {
                                    j.remove();
                                    continue;
                                } // try {...} catch (err) 

                                if (j.innerText.length >= 2 &&
                                    /[A-Z]/.test(j.innerText.substring(0, 1)) &&
                                    j.innerText.substring(1, 2) == '.') {
                                    j.innerText = j.innerText.substring(2);
                                }

                                if (_tmp_uanswer) { // 恢复 上一题
                                    if (_tmp_t_type == 'oc') { // 单选
                                        if (_tmp_uanswer == j.innerText) {
                                            j.classList.add(mybnchecked_classn);
                                            ops[i].click();
                                        }
                                    }
                                    else if (_tmp_uanswer[j.innerText]) { // 多选
                                        j.classList.add(mybnchecked_classn);
                                        j._checked = true;
                                        let el = ops[i]
                                            .parentElement
                                            .querySelector('label');
                                        let jq = ops[i]
                                            .parentElement
                                            .querySelector('.jqChecked');
                                        if (el && (!jq)) { el.click(); }
                                    }
                                }

                                if (_tmp_t_type == 'oc') {
                                    // 单选的处理
                                    j.myelement = ops[i];
                                    j.onclick = function () {
                                        let k =
                                            this.parentElement
                                                .querySelectorAll('button[data-code]');
                                        if (k) {
                                            for (let l of k) {
                                                l.classList.remove(mybnchecked_classn);
                                            }
                                        }
                                        this.classList.add(mybnchecked_classn);
                                        this.myelement.click();
                                        _tmp_uanswer = this.innerText;
                                    }

                                    if (ranswers) {
                                        // 以用户新的答案为准
                                        if (ranswers[text1] == j.innerText && (!uanswers[text1])) {
                                            j.classList.add(mybnchecked_classn);
                                            if (!ops[i].parentElement.querySelector('.jqChecked')) {
                                                j.myelement.click(); // 没有选中时把它选中
                                            }
                                            _tmp_uanswer = j.innerText;
                                            qs_did[last_id] = true;
                                        }
                                    }
                                } else {
                                    // 多选的处理
                                    j.myelement = ops[i].parentElement.querySelector('label');
                                    j.onclick = function () {
                                        _tmp_uanswer = _tmp_uanswer || {};
                                        this._checked = !this._checked;
                                        this.classList[this._checked ? 'add' : 'remove']
                                            (mybnchecked_classn);
                                        this._checked ?
                                            _tmp_uanswer[this.innerText] = 1 :
                                            delete _tmp_uanswer[this.innerText];
                                        if (this.myelement) {
                                            let jqChecked = this
                                                .myelement
                                                .parentElement
                                                .querySelector('.jqChecked');
                                            if ((!this._checked) && jqChecked) {
                                                this.myelement.click();
                                            }
                                            if (this._checked && (!jqChecked)) {
                                                this.myelement.click();
                                            }
                                        }
                                    } // j.onclick

                                    if (ranswers) {
                                        // 以用户新的答案为准
                                        if (ranswers[text1] && (!uanswers[text1])) {
                                            if (ranswers[text1][j.innerText]) {
                                                qs_did[last_id] = true;
                                                _tmp_uanswer = _tmp_uanswer || {};
                                                _tmp_uanswer[j.innerText] = 1;
                                                j.classList.add(mybnchecked_classn);
                                                j._checked = true;
                                                let jqChecked = ops[i]
                                                    .parentElement
                                                    .querySelector('.jqChecked');
                                                if (j.myelement && (!jqChecked)) {
                                                    j.myelement.click();
                                                }
                                            }
                                        }
                                    } // if (ranswers)
                                } // if (_tmp_t_type == 'oc') {...} else 
                            } // for (let i in ops)
                        } // if (ops)
                    } // else if (_tmp_t_type == 'oc' || _tmp_t_type == 'mc')

                } // if (dets)

                return resolve(true);
            }; // let handler_func = function (resolve, reject) 
            let err_func = function (e) {
                console.error(e);
                container2.innerHTML = `<div style="color:red">
                无法载入数据。 请尝试
                <button data-d="retry">重试</button>
                或
                <button data-d="reload">重新加载页面</button>
                。</div>
                <div>调试信息: ${e}</div>`;
                let btn1 = container2.querySelector('[data-d="retry"]'),
                    btn2 = container2.querySelector('[data-d="reload"]');
                if (btn1 && btn2) {
                    btn1.onclick = function () {
                        --last_id;
                        NextQuestion();
                    }
                    btn2.onclick = function () {
                        sessionStorage.setItem('${sess_q_ans}', '1');
                        location.reload();
                    }
                }
            }; // let err_func
            NextQuestion = function () {
                return new Promise(handler_func).then(v => { }, err_func);
            };
            NextQuestion();
        } // if (container)
    } // function exec_q_ans()

    function exec_check_temp_data_change() {
        try {
            let szLastPage = sessionStorage.getItem(sess_lastpage)
                || location.pathname;
            let uanswers = JSON.parse(
                sessionStorage.getItem(
                    szDataKeyName + nTempStorageId
                )
            )[szLastPage] || {};
            //console.log(uanswers);

            let confbox = document.createElement('div');
            let _ss = {
                position: 'fixed',
                right: '10px', bottom: '10px',
                border: '1px solid black',
                zIndex: 1048572,
                background: 'white',
                textAlign: 'center',
                fontSize: '14px',
            };
            for (let i in _ss) {
                confbox.style[i] = _ss[i];
            }
            confbox.classList.add(mydlg_classn);

            confbox.innerHTML = `
            <b style="display: block;">是否保存您所做的更改?</b>
            <button data-s style="display: block;">保存</button>
            <button data-d style="display: block;">详细信息</button>
            <button data-g style="display: block;">放弃</button>
            `;

            root.append(confbox);

            let s = confbox.querySelector('[data-s]'),
                d = confbox.querySelector('[data-d]'),
                g = confbox.querySelector('[data-g]');

            if (s && d && g) {
                g.onclick = function () {
                    sessionStorage.removeItem(sess_lastpage);
                    sessionStorage.removeItem(szDataKeyName + nTempStorageId);
                    location.reload();
                }
                s.onclick = function () {
                    let kn = szLastPage.replace(
                        nAvailableStorageId_regexp, '_');
                    let u2 = localStorage.getItem(
                        szDataKeyName + kn
                    ) || '{}';
                    try { u2 = JSON.parse(u2) }
                    catch (err) { u2 = {} };
                    let o3 = u2[szLastPage] || {};
                    for (let i in uanswers) {
                        o3[i] = uanswers[i];
                    }
                    u2[szLastPage] = o3;
                    localStorage.setItem(
                        szDataKeyName + kn,
                        JSON.stringify(u2));

                    g.click();
                }
                d.onclick = function () {
                    let el = document.createElement('div');
                    this.disabled = !!el;
                    root.append(el);

                    el.classList.add(mydlg_classn);
                    el.classList.add(mytedit_classn);

                    el.innerHTML = `
                    您的数据:<br>
                    <textarea rows=8></textarea><br>
                    错题:<br>
                    <div data-wrongs>

                    </div>
                    
                    `;

                    let ta/*textarea*/ = el.querySelector('textarea'),
                        wr = el.querySelector('[data-wrongs]');
                    ta.value = sessionStorage.getItem(
                        szDataKeyName + nTempStorageId);
                    ta.style.width = el.clientWidth - 5 + 'px';

                }
            }

        }
        catch (err) {
            console.warn('Invalid data found in sessionStorage.');
        }
    } // function exec_check_temp_data_change()

    function exec_showSettingsPanel() {
        let setp = document.createElement('div');
        setp.classList.add(mysett_classn);
        setp.classList.add(mydlg_classn);
        setp.innerHTML = `
        <div data-title>
            <span>设 &nbsp; &nbsp; 置</span>
            <button class=h>-</button><button class=x>x</button>
        </div>
        <hr data-hr1 />
        <div data-container></div>
        `;
        root.append(setp);

        let hideb = setp.querySelector('button.h');
        if (hideb) {
            hideb.setAttribute('style', 'position:absolute;right:30px');
            hideb.onclick = function () {
                this.parentElement.parentElement.style.display = 'none';
                let el = document.createElement('button');
                el.innerHTML = '设置窗口';
                el.setAttribute('style', `position:fixed;z-index:1048572;` +
                    `left:2px;bottom:2px;background:white;`);
                root.append(el);
                el.onclick = function () {
                    hideb.parentElement.parentElement.style.display = '';
                    this.remove();
                };
            }
        } // if (hideb)

        let x = setp.querySelector('button.x');
        if (x) x.onclick = () => location.reload();

        let container = setp.querySelector('div[data-container]');
        if (container) {
            container.style.maxHeight = myCalcDlgMaxHeight(setp);

            container.style.textAlign = 'left';

            container.innerHTML = `
            <style>
            .${mysett_classn} [data-panel] {
                border: 1px solid #cccccc;
                padding: 5px 5px;
                margin-bottom: 20px;
            }
            /*.${mysett_classn} [data-panel] b {
                position: absolute;
                left: 10px;
            }*/
            </style>

            <div data-panel>
                <div><b>通用</b></div>
                <hr />
                <div>TODO</div>
            </div>

            <div data-panel>
                <div><b>数据</b></div>
                <hr />
                <div>
                    <div>
                        <span>当前保存的数据:</span>
                        <select data-select1></select>
                        <button data-exportdata>导出数据</button>
                        <button data-importdata>导入数据</button>
                        <br />
                        <button data-deletedata disabled>删除数据</button>
                        <button data-deletedatas>删除所有</button>
                        <button data-savedata disabled>保存更改</button>
                        <button data-format disabled>
                            <span>格式化 &nbsp; 空格数量</span>
                            <input type=number min=0 max=10 value=4 />
                        </button>
                    </div>
                    <div>
                        <textarea data-saveddata rows=8></textarea>
                    </div>
                    <br />
                </div>
            </div>

            <div style="text-align: right;">
                <button data-s>保存</button>
                <button data-c>取消</button>
            </div>
            `;

            let saveddata = container.querySelector('textarea[data-saveddata]'),
                select1 = container.querySelector('select[data-select1]'),
                btn_savedata = container.querySelector('button[data-savedata]'),
                btn_formatdata = container.querySelector('button[data-format]'),
                btn_exportdata = container.querySelector('button[data-exportdata]'),
                btn_importdata = container.querySelector('button[data-importdata]'),
                btn_save = container.querySelector('button[data-s]'),
                btn_close = container.querySelector('button[data-c]'),
                btn_deleted = container.querySelector('button[data-deletedata]'),
                btn_deleteds = container.querySelector('button[data-deletedatas]'),
                lcsDataNames = [];
            if (btn_save) {
                btn_save.onclick = function () {
                    if (btn_savedata) btn_savedata.click();
                    if (btn_close) btn_close.click();
                }
            } // if (btn_save)
            if (btn_close) {
                btn_close.onclick = () => location.reload();
            } // if (btn_close)
            if (btn_deleteds) {
                btn_deleteds.onclick = function () {
                    if (!confirm("确定删除保存的数据?")) return false;
                    for (let i in localStorage) {
                        if (i.indexOf(szDataKeyName) == 0) {
                            localStorage.removeItem(i);
                        }
                    }
                    sessionStorage.setItem(sess_settings, '1');
                    location.reload();
                }
            } // if (btn_deleteds)
            if (btn_exportdata) {
                btn_exportdata.onclick = function () {
                    let el = document.createElement('div');
                    el.classList.add(mydlg_classn);
                    el.classList.add(mytedit_classn);
                    el.innerHTML = `
                    <div data-title>
                        <span>导出数据</span>
                    </div>
                    <hr data-hr1 />
                    <div data-container style="display: flex; flex-direction: column;">
                        <p>将以下数据保存到您的计算机。</p>
                        <textarea></textarea>
                        <p><button data-d>下载</button></p>
                        <p><button data-c>复制</button></p>
                        <p><button data-x>关闭</button></p>
                    </div>
                    `;
                    root.append(el);

                    let container = el.querySelector('[data-container]');
                    let ta = el.querySelector('textarea');
                    let dl = el.querySelector('button[data-d]');
                    let cl = el.querySelector('button[data-x]');
                    let cp = el.querySelector('button[data-c]');
                    let obj = {};

                    container.style.maxHeight = myCalcDlgMaxHeight(el);

                    for (let i in localStorage) {
                        if (i.indexOf(szDataKeyName) == 0) {
                            obj[i] = localStorage[i];
                        }
                    }

                    ta.value = JSON.stringify(obj);
                    ta.readOnly = true;
                    ta.style.width = el.clientWidth - 5 + 'px';
                    ta.style.flexBasis = el.clientHeight + 'px';
                    cl.onclick = function () {
                        el.remove();
                    }
                    cp.onclick = function () {
                        let errhand = function (err) {
                            let oldInner = cp.innerHTML;
                            cp.disabled = true;
                            cp.innerHTML = '<span style="color:red">' +
                                '复制失败 (<span data-reason></span>)</span>';
                            setTimeout(() => {
                                cp.disabled = false;
                                cp.innerHTML = oldInner;
                            }, 2000);
                            let span = cp.querySelector('span[data-reason]');
                            if (span) {
                                span.innerText = String(err);
                            }
                        }
                        try {
                            navigator.clipboard.writeText(ta.value)
                                .then(function () {
                                    let oldInner = cp.innerHTML;
                                    cp.disabled = true;
                                    cp.innerHTML = '复制成功';
                                    setTimeout(() => {
                                        cp.disabled = false;
                                        cp.innerHTML = oldInner;
                                    }, 1000);
                                }, function (error) {
                                    errhand(error);
                                })
                        }
                        catch (err) {
                            errhand(err);
                        }
                    }
                    dl.onclick = function () {
                        let blob = new Blob([ta.value]);
                        let link = document.createElement('a');
                        link.download = new Date().toString() + '.txt';
                        link.href = URL.createObjectURL(blob);
                        link.click();
                        //URL.revokeObjectURL(link.href);
                    }
                } // btn_exportdata.onclick
            } // if (btn_exportdata)
            if (btn_importdata) {
                btn_importdata.onclick = function () {
                    let el = document.createElement('div');
                    el.classList.add(mydlg_classn);
                    el.classList.add(mytedit_classn);
                    el.innerHTML = `
                <div data-title>
                    <span>导入数据</span>
                </div>
                <hr data-hr1 />
                <div data-container style="display: flex; flex-direction: column;">
                    <p>输入要导入的数据:</p>
                    <textarea></textarea>
                    <button data-i>导入</button>
                    <button data-x>取消</button>
                </div>
                `;
                    root.append(el);

                    let container = el.querySelector('[data-container]');
                    let ta = el.querySelector('textarea');
                    let cl = el.querySelector('button[data-x]');
                    let im = el.querySelector('button[data-i]');

                    container.style.maxHeight = myCalcDlgMaxHeight(el);

                    ta.style.width = el.clientWidth - 5 + 'px';
                    ta.style.flexBasis = el.clientHeight + 'px';
                    cl.onclick = function () {
                        el.remove();
                    }
                    im.onclick = function () {
                        if (!confirm('确定导入以下数据?\n' +
                            '如果现有数据与以下数据重复,现有数据将被覆盖。\n' +
                            '恶意数据可能损害您的答题结果!\n' +
                            '\n确定继续吗?'
                        )) return;
                        this.disabled = true;
                        let i = this.parentElement.querySelector('textarea');
                        let obj = {};
                        try {
                            obj = JSON.parse(i.value);
                        }
                        catch (err) {
                            let oldInner = this.innerHTML;
                            this.innerHTML = '<span style="color:red">数据无效</span>';
                            this.disabled = true;
                            setTimeout(() => {
                                this.innerHTML = oldInner;
                                this.disabled = false;
                            }, 1000);
                            return;
                        }
                        /* obj example:
                            {
                                "__wjx_autofill_datas_parttest1":
                                "{\"test1\":{\"1\":\"B\",\"2\":\"C\"}}"
                            }
                        */
                        let old = {};
                        for (let i in localStorage) {
                            try {
                                if (i.indexOf(szDataKeyName) == 0) {
                                    old[i] = JSON.parse(localStorage[i]);
                                }
                            }
                            catch (e) { continue; }
                        }
                        /* old example:
                            {"__prefix_test1":{"test1":{"a":"b"}}}
                            unlucky example:
                            {"__prefix_test1":123}
                        */
                        for (let j in obj) {
                            // j example: "__wjx_autofill_datas_parttest1"
                            try {
                                let str2 = j;
                                if (typeof (old[str2]) != 'object') {
                                    old[str2] = {};
                                }
                                let dat = null;
                                try {
                                    dat = JSON.parse(obj[j]);
                                }
                                catch (err) {
                                    continue;
                                }
                                if (!dat) continue;
                                // console.log(dat);
                                /*    obj example:
                                    {
                                        "__wjx_autofill_datas_parttest1":
                                        "{\"test1\":{\"1\":\"B\",\"2\":\"C\"}}"
                                    }
                                      dat example:
                                    {"test1":{"1":"B","2":"C"}}
                                      old example:
                                    {"__prefix_test1":{"test1":{"a":"b"}}}
                                      str2 example:
                                    "__prefix_test1"
                                */
                                for (let kn in dat) {
                                    // kn example: "test1"
                                    try {
                                        for (let k in dat[kn]) {
                                            if (typeof (old[str2][kn]) != 'object') {
                                                old[str2][kn] = {};
                                            }
                                            old[str2][kn][k] = dat[kn][k];
                                        }
                                    }
                                    catch (err) {
                                        continue;
                                    }
                                }

                                let str = JSON.stringify(old[str2]);
                                console.log(str2, '\n', str, '\n', old[str2]);
                                localStorage.setItem(str2, str);
                            } // try
                            catch (err) {
                                console.warn(err);
                                continue;
                            }
                        }
                        el.remove();
                        sessionStorage.setItem(sess_settings, '1');
                        // if(!window.debugging)
                        location.reload();
                    } // im.onclick

                } /* btn_importdata.onclick */
            } // if (btn_importdata)
            if (select1) {
                for (let i in localStorage) {
                    if (i.indexOf(szDataKeyName) == 0) {
                        lcsDataNames.push(i);
                    }
                }
                if (lcsDataNames.length == 0) {
                    select1.innerHTML = `<option>未存储任何数据</option>`;
                    if (btn_deleteds) btn_deleteds.disabled = true;
                }
                else {
                    select1.innerHTML = `<option>请选择</option>`;
                    for (let i of lcsDataNames) {
                        let j = document.createElement('option');
                        j.innerText = j.value = i.replace(szDataKeyName, '');
                        select1.append(j);
                    }
                }
                {
                    let j = document.createElement('option');
                    j.innerText = '新建...'; j.value = 'Data_New';
                    select1.append(j);
                }


                select1.onchange = function () {
                    saveddata.setAttribute('rows', '8');
                    if (btn_deleted) btn_deleted.disabled = false;
                    if (btn_formatdata) btn_formatdata.disabled = false;
                    saveddata.oninput = () => btn_savedata.disabled = false;
                    if (this.value == 'Data_New') {
                        let el2 = document.createElement('input');
                        el2.type = 'text';
                        el2.placeholder = 'Data name';
                        select1.replaceWith(el2);
                        select1.remove();
                        select1 = el2;
                        saveddata.value = '';
                        return;
                    }
                    saveddata.value = localStorage.getItem(
                        szDataKeyName + this.value
                    ) || ((function () {
                        saveddata.setAttribute('rows', '1');
                        if (btn_deleted) btn_deleted.disabled = true;
                        if (btn_savedata) btn_savedata.disabled = true;
                        if (btn_formatdata) btn_formatdata.disabled = true;
                        saveddata.oninput = null;
                        return '未存储任何数据';
                    })());
                } // select1.onchange
            } // if (select1)
            if (saveddata) {
                saveddata.style.fontFamily = 'Consolas, sans-serif';
                saveddata.style.width = container.clientWidth - 5 + 'px';
                saveddata.value = lcsDataNames.length ? '请选择' : '未存储任何数据';

                if (btn_savedata) {
                    btn_savedata.onclick = function () {
                        try {
                            if (select1.value == '') {
                                this.disabled = true;
                                this.innerHTML = '<span style="color:red">数据名无效</span>';
                                setTimeout(function () {
                                    this.disabled = false;
                                    btn_savedata.innerHTML = '保存更改';
                                }, 1000);
                                return;
                            }
                            JSON.parse(saveddata.value);
                            localStorage.setItem(
                                szDataKeyName + select1.value,
                                saveddata.value);
                            sessionStorage.setItem(sess_settings, '1');
                            location.reload();
                        }
                        catch (err) {
                            this.disabled = true;
                            this.innerHTML = '<span style="color:red">数据无效</span>';
                            setTimeout(function () {
                                btn_savedata.innerHTML = '保存更改';
                            }, 1000);
                        }
                    }
                }

                if (btn_deleted) {
                    btn_deleted.onclick = function () {
                        if (!confirm(`确定删除 ${select1.value}?`)) return false;
                        localStorage.removeItem(szDataKeyName + select1.value);
                        sessionStorage.setItem(sess_settings, '1');
                        location.reload();
                    }
                }

                if (btn_formatdata) {
                    btn_formatdata.onclick = function () {
                        let se = this.querySelector('input');
                        let sc = 4;
                        se ? sc = Number(se.value) : 0;
                        try {
                            saveddata.value = JSON.stringify(
                                JSON.parse(saveddata.value),
                                null, sc);

                        }
                        catch (err) {
                            this.disabled = true;
                            let oldInner = this.innerHTML;
                            this.innerHTML = '<span style="color:red">数据无效</span>';
                            setTimeout(function () {
                                btn_formatdata.innerHTML = oldInner;
                                btn_formatdata.disabled = false;
                            }, 1000);
                        }
                    } // btn_formatdata.onclick
                } // if (btn_formatdata)
            } // if (saveddata)


        } // if (container)

    } // function exec_showSettingsPanel()

    function exec_autofill() {
        let onerror = function (err) {
            let div = document.createElement('div');

            div.classList.add(mytedit_classn);
            div.classList.add(mydlg_classn);

            div.innerHTML = `
            <div data-title>无法自动填写</div>
            <hr />
            <div>
                <div style="color: red;"><b>发生了一个错误,导致无法自动填写。</b></div>
                <p>
                    <b style="display: block;">错误详情:</b><br />
                    <div data-d style="border: 1px solid #aaa;"></div>
                </p>
                <div data-container>
                    <button data-r style="display: block;">重试</button>
                    <button data-g style="display: block;">放弃</button>
                </div>
            </div>
            `;

            root.append(div);

            div.querySelector('[data-r]').onclick = function () {
                sessionStorage.setItem(sess_autofill, '1');
                location.reload();
            }
            div.querySelector('[data-g]').onclick =
                () => location.reload();

            div.querySelector('[data-d]').innerText = err;

        }; // let onerror

        let myreport = function (nTotal, nOk) {
            let div = document.createElement('div');

            div.classList.add(mytedit_classn);
            div.classList.add(mydlg_classn);

            div.innerHTML = `
            <div data-title>操作完成</div>
            <hr />
            <div>
                <div><b>操作已完成。</b></div>
                <p>
                    <b style="display: block;">详情:</b><br />
                    <div style="border: 1px solid #aaa;">
                        <div>总计 <b>${nTotal}</b> 个</div>
                        <div>成功 <b>${nOk}</b> 个</div>
                        <div>失败 <b>${nTotal - nOk}</b> 个</div>
                    </div>
                </p>
                <div data-container>
                    <button data-s style="display: block;">提交</button>
                    <button data-c style="display: block;">关闭</button>
                </div>
            </div>
            `;

            root.append(div);

            div.querySelector('[data-s]').onclick = function () {
                let subm =
                    document.getElementById('submit_button') ||
                    document.querySelector('.submitbutton');
                if (!subm) {
                    this.innerHTML = '无法自动提交。请手动点击提交';
                    return;
                }
                scrollToBottom();
                DelayExecute(100).then(function () {
                    subm.click();
                    div.remove();
                });
            }
            div.querySelector('[data-c]').onclick = function () {
                div.remove();
            }
        } // let myreport

        new Promise(function (resolve, reject) {
            let data = localStorage.getItem(szDataKeyName + nAvailableStorageId);
            if (!data) reject('数据错误: 数据不存在');
            try {
                data = JSON.parse(data)[location.pathname];
                if (!data) reject('数据错误: 找不到数据')
                return resolve(data);
            }
            catch (err) {
                reject('数据错误: 无法解析数据');
            }
        }) // new Promise
            .then(function (data) {
                // let successful_count = 0;
                let last_id = -1;
                let qs = document.querySelectorAll('.div_question');
                let NextQuestion = null;
                let handler_func = function (resolve, reject) {
                    if (!qs) reject('找不到问题');
                    ++last_id;
                    if (!qs[last_id]) {
                        // 做完了
                        let successful_count = 0;
                        // 计算成功数量,这里不能在做的时候计算,否则有bug
                        // 原因:多选题有多个元素是 .jqChecked
                        for (let i of qs) {
                            let el = null;

                            el = i.querySelector('textarea') ||
                                i.querySelector('input[type="text"]');
                            if (el) {
                                if (el.value != '') {
                                    successful_count++;
                                }
                                continue;
                            }

                            el = i.querySelectorAll('input[type="radio"]');
                            if (el.length == 0) {
                                el = i.querySelectorAll('input[type="checkbox"]');
                            }
                            // console.log('Element: ', i, '\nElements: ', el);
                            if (el) {
                                for (let j of el) {
                                    if (j.parentElement.querySelector('.jqChecked')) {
                                        successful_count++;
                                        break;
                                    }
                                    continue;
                                }
                            }
                        }
                        myreport(qs.length, successful_count);
                        return resolve(false);
                    };
                    let qtitle = qs[last_id].querySelector('.div_title_question');
                    if (!qtitle) reject('Cannot locate question title');
                    let text1 = qtitle.innerText;
                    let answer = data[text1];
                    //console.log(text1, ':', answer);
                    if (!answer) {
                        NextQuestion();
                        return resolve(2);
                    }

                    let _tmp_t_type = '';
                    try {
                        if (qtitle.parentElement.parentElement
                            .querySelector('textarea') ||
                            qtitle.parentElement.parentElement
                                .querySelector('input[type="text"]')) {
                            _tmp_t_type = 'fl'; // fill blank
                        }
                        else if (qtitle.parentElement.parentElement
                            .querySelector('input[type="radio"]')) {
                            _tmp_t_type = 'oc'; // one choice
                        }
                        else if (qtitle.parentElement.parentElement
                            .querySelector('input[type="checkbox"]')) {
                            _tmp_t_type = 'mc'; // multi choice
                        }
                    }
                    catch (err) {
                        console.warn('Error while processing type:', err);
                    }

                    if (_tmp_t_type == 'fl') {
                        // 填空
                        (qtitle.parentElement.parentElement
                            .querySelector('textarea') ||
                            qtitle.parentElement.parentElement
                                .querySelector('input[type="text"]'))
                            .value = answer;
                        // successful_count++;
                    }
                    else if (_tmp_t_type == 'oc' || _tmp_t_type == 'mc') {
                        do {
                            // 获取选项
                            let ops;
                            if (_tmp_t_type == 'oc') {
                                ops = qtitle.parentElement.parentElement
                                    .querySelectorAll('input[type="radio"]');
                            } else {
                                ops = qtitle.parentElement.parentElement
                                    .querySelectorAll('input[type="checkbox"]');
                            }
                            if (!ops) break;

                            for (let i in ops) {
                                // 遍历选项
                                let text2 = '';
                                try {
                                    text2 = ops[i]
                                        .parentElement
                                        .querySelector('label')
                                        .innerText;
                                    if (text2.length >= 2 &&
                                        /[A-Z]/.test(text2.substring(0, 1)) &&
                                        text2.substring(1, 2) == '.') {
                                        text2 = text2.substring(2);
                                    }

                                    if (
                                        (_tmp_t_type == 'oc' && text2 != answer)
                                        ||
                                        (_tmp_t_type == 'mc' && (!(answer[text2])))
                                    ) {
                                        continue;
                                    }
                                }
                                catch (err) {
                                    continue;
                                }

                                if (_tmp_t_type == 'oc') {
                                    // 单选的处理
                                    ops[i].click();
                                    // successful_count++;
                                } else {
                                    // 多选的处理
                                    let myelement =
                                        ops[i].parentElement.querySelector('label');
                                    if (myelement) {
                                        myelement.click();
                                        // successful_count++;
                                    }
                                }
                            }

                        } while (0);
                    }

                    NextQuestion();
                    return resolve(true);
                };
                NextQuestion = function () {
                    return new Promise(handler_func).then(v => { }, onerror);
                }
                NextQuestion();

                // data

            }, onerror) // new Promise(...).then

    } // function exec_autofill()

    function exec_showtimer() {
        if (root.querySelector('.' + mytimer_classn)) {
            return root.querySelector('.' + mytimer_classn).remove();
        }
        let el = document.createElement('div');
        el.classList.add(mytimer_classn);
        el.innerHTML = `
        <div data-title>
            <button class=x>x</button>
        </div>

        <hr />

        <div data-container>
            <div>
                <span class=h></span>
                <span>:</span>
                <span class=m></span>
                <span>:</span>
                <span class=s></span>
            </div>
            <!--div>
                <button>暂停所有计时器</button>
            </div-->
        </div>
        `;
        root.append(el);

        let
            x = el.querySelector('.x'),
            h = el.querySelector('.h'),
            m = el.querySelector('.m'),
            s = el.querySelector('.s');
            
        let timeBegin = new Date();
        
        let intervalId = setInterval(function () {
            let timeNow = (new Date() - timeBegin) / 1000;
            s.innerText = Math.floor(timeNow % 60);
            m.innerText = Math.floor(timeNow % (60*60) / 60);
            h.innerText = Math.floor(timeNow / (60*60));
        }, 1000);

        x.onclick = function () {
            sessionStorage.removeItem(sess_shwtimer);
            clearInterval(intervalId);
            el.remove();
        };
        
    } // function exec_showtimer()

    function showAllQuestions() {
        let style2 = document.createElement('style');
        style2.innerHTML = `
        fieldset.fieldset,
        #submit_button {
            display: block !important;
        }
        `;
        root.append(style2);

        let submit_table = document.getElementById('submit_table');
        if (submit_table) submit_table.style.display = '';
    } // function showAllQuestions()

    /* **** [END] 功能逻辑 **** */


    /* **** [BEGIN] 辅助功能 **** */

    function randstr(len = 1, text = null) {
        var t = text || ("0123456789abcdef" +
            "ghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"),
            a = t.length,
            n = "";
        for (let i = 0; i < len; i++) {
            n += t.charAt(Math.floor(Math.random() * a));
        }
        return n;
    } // function randstr

    function myCalcDlgMaxHeight (dlg_element) {
        let _heig = 0;
        let _title = dlg_element.querySelector('div[data-title]');
        if (_title) {
            _heig += _title.offsetHeight;
        }
        let _hr1 = dlg_element.querySelector('hr[data-hr1]');
        if (_hr1) {
            _heig += _hr1.offsetHeight;
        }
        { _heig += 22; }
        return dlg_element.clientHeight - _heig + 'px';
    } // function myCalcDlgMaxHeight

    function scrollToBottom() {
        return window.scroll({
            behavior: 'smooth',
            top: (document.body || document.documentElement).scrollHeight
        });
    } // function scrollToBottom()

    function DelayExecute(timeout = 0) {
        return new Promise(resolve => setTimeout(resolve, timeout));
    } // function DelayExecute(timeout = 0)

    /* **** [END] 辅助功能 **** */


    /* **** [END] Script **** */
    return 0;

}
    
if (document.readyState == 'loading') {
    window.addEventListener('DOMContentLoaded', DCL);
} else {
    DCL();
}

})();