GoIT Scroller Script

vasylmartyniv

Jun 21st, 2025 (edited)

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JavaScript 2.04 KB | Software | 0 0

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(() => {
/**
* Utility: Click a button matching a span text.
*/
const clickButtonByText = (text) => {
const button = [...document.querySelectorAll("button")].find(
(btn) => btn.querySelector("span")?.innerText.trim() === text
);
button?.click();
};
/**
* Utility: Click a button by selector if enabled.
*/
const clickEnabledButton = (selector) => {
const btn = document.querySelector(`${selector}:not([disabled])`);
btn?.click();
};
/**
* Quiz Interaction Steps
*/
const actions = {
selectFirstRadioOption: () => {
const option = document.querySelector('input[type="radio"]:not([disabled])');
option?.click();
},
checkAnswer: () => {
const button = [...document.querySelectorAll("button")].findLast(
(btn) => btn.querySelector("span")?.innerText.trim() === "Перевірити"
);
button?.click();
},
revealAnswer: () => clickButtonByText("Дізнатися відповідь"),
nextSection: () => clickEnabledButton("#go-to-next-course-element"),
nextModule: () => clickButtonByText("До наступного модуля"),
goToPracticalTask: () => clickButtonByText("Перейти до практичного завдання"),
next: () => clickButtonByText("Далі"),
nextBlock: () => clickButtonByText("До наступного блоку"),
scrollToBottom: () => window.scrollTo(0, document.body.scrollHeight),
};
/**
* Observer Callback
*/
const handleMutations = () => {
actions.selectFirstRadioOption();
actions.revealAnswer();
actions.checkAnswer();
actions.nextSection();
actions.nextModule();
actions.goToPracticalTask();
actions.next();
actions.nextBlock();
actions.scrollToBottom();
};
/**
* Start observing DOM changes
*/
const observer = new MutationObserver(handleMutations);
observer.observe(document.body, { childList: true, subtree: true });
console.log("Quiz automation started.");
})();

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