Brainly Answer Revealer

Reveals the answers on brainly, even if you are restricted.

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Brainly Answer Revealer
// @namespace    https://joey585.com
// @version      1.00
// @description  Reveals the answers on brainly, even if you are restricted.
// @author       Joey585
// @match        https://brainly.com/question/*
// @icon         https://media.cdnandroid.com/item_images/770840/imagen-brainly-0thumb.jpeg
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    // formats text
    function unicodeToChar(text) {
        return text.replace(/\\u[\dA-F]{4}/gi,
            function (match) {
                return String.fromCharCode(parseInt(match.replace(/\\u/g, ''), 16));
            });
    }

    // finds the content of the question and answer
    const data = document.getElementsByClassName("js-main-question").item(0).dataset.z;
    if(data.length > 20)
    {
        let index = data.indexOf('"content":"') + 11;
        console.log(index)
        const answers = [];
        while(true){
            const begin = data.indexOf('"content":"', index) + 11;
            if(begin < index){
                break
            }
            index = data.indexOf('"mark"', begin)-2
            answers.push(data.substring(begin , index))
            const tempi = data.indexOf("comments", index);
            if(tempi > index){
                index = data.indexOf( '}',tempi)
            }
            if(index < begin)
            {break}
            console.log("begin" + begin)
            console.log("index" + index)
            console.log("comments" + tempi)
            console.log("==================")
        }
        // logs the answer and starts to format it into readability
        console.log(answers)
        const regex = /(<script(\s|\S)*?<\/script>)|(<style(\s|\S)*?<\/style>)|(<!--(\s|\S)*?-->)|(<\/?(\s|\S)*?>)/g
        const bodyDoc = document.getElementById('question-sg-layout-container');
        // waits 3 seconds to look for the get answers button
        setTimeout(() => {
            const valid = bodyDoc.getElementsByClassName('brn-qpage-next-answer-box__blockade')
            if (valid) {
                const answerButton = bodyDoc.getElementsByClassName('sg-animation-fade-in-fast brn-qpage-next-question-box__actions')
                const answersPresent = answers.length
                // checks if there is one question
                if (answersPresent === 1) {
                    answerButton[0].lastElementChild.innerHTML = `<strong>Answer 1:</strong><br>${answers[0].replaceAll(regex, ' ')}`
                    return alert('Only one answer!')
                }
                // replaces the button with the answers after 3 seconds
                answerButton[0].lastElementChild.innerHTML = `<strong>Answer 1:</strong><br>${answers[0].replaceAll(regex, ' ')}<hr><hr><strong>Answer 2:</strong><br>${answers[1].replaceAll(regex, ' ')}`
            } else {
                return alert('Answers are visible!');
            }
        }, 3000)

        // more formatting
        removeElms("brn-kodiak-answer__unlock")
        removeElms("brn-kodiak-answer__preview-end")
        const answerBoxes = document.getElementsByClassName("brn-kodiak-answer__content");
        for(let i = 0; i<answerBoxes.length ; i++){
            answerBoxes[i].innerHTML = decodeURIComponent(unicodeToChar(answers[i].replace(/<\\\//g , "</")))
        }

        function removeElms(classname){
            const paras = document.getElementsByClassName(classname);
            while(paras[0]) {
                paras[0].parentNode.removeChild(paras[0]);
            }
        }
    }
    else
    {
        window.alert('This will only work if you are signed in.')
    }
    // CREDITS: Subatomicmc (Found the answers) I just rewrote it to work.
    // Author: Joey585
    // Discord: Joey585#0585
    // Twitter: @Joey585Official
})();