mathacademy_navigation.js

// ==UserScript==
// @name         Math Academy Continue Navigation
// @namespace    http://tampermonkey.net/
// @description  x
// @version      2024-10-09
// @author       M, 4o
// @match        https://mathacademy.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=mathacademy.com
// @grant        none
// ==/UserScript==

// Required because e.g. the lesson start buttons are always loaded, and have a parent change its display
function isActive(element) {
    if (!element)
	    return false;

	if (window.getComputedStyle(element).display == "none")
		return false;

    // Recursively check the parent element
    return element.parentElement ? isActive(element.parentElement) : true;
}

document.addEventListener('keydown', function(event) {
	if (!event.shiftKey || event.key !== 'S')
		return;

	const selectors = [
		// "Start" button when opening the dropmenu for a lesson/review in /learn
		"div a.taskStartButton.button",

		// "Submit" button when you've chosen an answer for a question
		"div.questionWidget-submitButton.enabledButton",

		// "Continue" button when you're done reading the explanation of a solution
		"div.continueButtonFrame div.continueButton",

        // Submit answers on a "multistep"
        "div.submitButton.enabledButton",

		// "Continue" button when you've finished a lesson/review
		"div#finalScreen-doneButton",
	];

	for (let i = 0; i < selectors.length; i++) {
		const selector = selectors[i];
		const button = Array.from(document.querySelectorAll(selector)).find(el => isActive(el));

		if (!button)
			continue;

		button.dispatchEvent(new MouseEvent("mousedown", { bubbles: true }));
		button.dispatchEvent(new MouseEvent("mouseup", { bubbles: true }));
		button.click();

		return;
	}

    console.log("No buttons found");
});