Quizlet Learn Auto Answer

Automatically detects and answers every question in Quizlet Learn mode in real time. Highlights the correct answer in green for multiple choice questions and auto-fills and submits written questions instantly.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey, το Greasemonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

You will need to install an extension such as Tampermonkey to install this script.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Userscripts για να εγκαταστήσετε αυτόν τον κώδικα.

You will need to install an extension such as Tampermonkey to install this script.

Θα χρειαστεί να εγκαταστήσετε μια επέκταση διαχείρισης κώδικα χρήστη για να εγκαταστήσετε αυτόν τον κώδικα.

(Έχω ήδη έναν διαχειριστή κώδικα χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Έχω ήδη έναν διαχειριστή στυλ χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

// ==UserScript==
// @name         Quizlet Learn Auto Answer
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Automatically detects and answers every question in Quizlet Learn mode in real time. Highlights the correct answer in green for multiple choice questions and auto-fills and submits written questions instantly.
// @author       apzn
// @license      MIT
// @match        https://quizlet.com/*
// @grant        unsafeWindow
// @run-at       document-idle
// ==/UserScript==

const win = unsafeWindow;

const observer = new MutationObserver(() => {
    if (win.document.querySelector('article')) {
        observer.disconnect();
        setInterval(() => {
            try {
                const element = win.document.querySelector('article');
                if (!element) return;

                const fiberKey = Object.keys(element).find(k => k.startsWith('__reactFiber$'));
                if (!fiberKey) return;

                let node = element[fiberKey];
                let question = null;
                while (node) {
                    if (node.memoizedProps?.question?.type) {
                        question = node.memoizedProps.question;
                        break;
                    }
                    node = node.return;
                }
                if (!question) return;

                if (question.type === 'MultipleChoiceQuestion') {
                    const answerIndex = question.metadata.optionGenerationSource.findIndex(k => k === 'key');
                    const container = win.document.querySelector('[data-testid="MCQ Answers"]');
                    if (!container) return;

                    const wrapper = container.children[answerIndex];
                    if (!wrapper) return;

                    const answerText = wrapper.querySelector('section > :nth-child(2)');
                    if (answerText && answerText.style.color === 'lime') return;

                    [...container.children].forEach(child => {
                        const sec = child.querySelector('section > :nth-child(2)');
                        if (sec) sec.style.color = '';
                    });
                    if (answerText) answerText.style.color = 'lime';

                    const section = wrapper.querySelector('section') || wrapper;
                    if (section) {
                        const rect = section.getBoundingClientRect();
                        section.dispatchEvent(new PointerEvent('pointerdown', { bubbles: true, clientX: rect.x + 10, clientY: rect.y + 10 }));
                        section.dispatchEvent(new PointerEvent('pointerup', { bubbles: true, clientX: rect.x + 10, clientY: rect.y + 10 }));
                        section.dispatchEvent(new MouseEvent('click', { bubbles: true, clientX: rect.x + 10, clientY: rect.y + 10 }));
                    }

                } else if (question.type === 'WrittenQuestion') {
                    if (typeof win.__NEXT_DATA__ === 'undefined') return;
                    const allCards = win.__NEXT_DATA__.props.pageProps.studyModesCommon.studiableDocumentData.studiableItems;
                    const card = allCards.find(c => c.id === question.metadata.studiableItemId);
                    if (!card) return;
                    const otherSide = card.cardSides[question.metadata.answerSide === 'definition' ? 1 : 0];
                    const answer = otherSide.media[0].plainText;

                    const existing = win.document.querySelector('#x-answer');
                    if (existing) existing.innerText = `correct answer: ${answer}`;
                    else {
                        const form = win.document.querySelector('form');
                        if (form) form.parentElement.insertAdjacentHTML('afterbegin', `<p style="color:lime;padding-bottom:10px;" id="x-answer">correct answer: ${answer}</p>`);
                    }

                    const input = win.document.querySelector('form input, form textarea');
                    if (input && input.value !== answer) {
                        const setter = Object.getOwnPropertyDescriptor(win.HTMLInputElement.prototype, 'value')?.set
                            || Object.getOwnPropertyDescriptor(win.HTMLTextAreaElement.prototype, 'value')?.set;
                        setter.call(input, answer);
                        input.dispatchEvent(new Event('input', { bubbles: true }));
                        setTimeout(() => {
                            const form = win.document.querySelector('form');
                            if (form) form.dispatchEvent(new Event('submit', { bubbles: true }));
                            const btn = win.document.querySelector('form button[type="submit"], form button');
                            if (btn) btn.click();
                        }, 300);
                    }
                }
            } catch(e) { console.log('Script error:', e.message); }
        }, 100);
    }
});

observer.observe(win.document.body, { childList: true, subtree: true });