Highlights correct answers with a green background on Study.com quizzes and exams
// ==UserScript==
// @name Study.com Quiz Answers
// @namespace Violentmonkey Scripts
// @match *://*.study.com/*
// @include https://study.com/*
// @grant none
// @version 1.1.0
// @author Jonah Lawrence
// @description Highlights correct answers with a green background on Study.com quizzes and exams
// ==/UserScript==
/* jshint esversion: 6 */
(function () {
const interval = setInterval(function () {
const container = document.querySelector("#practice-exam-container");
// check if practice-exam-container element exists (only on exam pages)
if (container) {
const controller = angular.element(container).controller();
if (controller) {
// get questions
const questions = controller.questionByQuestionInstanceId;
// highlight the answer to each question
Object.values(questions).forEach(function (x) {
const correctAnswer = document.querySelector(`li[ng-class*="${x.correctQuizQuestionOptionId}"]`);
if (correctAnswer) {
correctAnswer.style.background = "#c5ff81";
correctAnswer.style.borderRadius = "2px";
correctAnswer.style.boxShadow = "0 0 0 6px #c5ff81";
// no need to keep checking
clearInterval(interval);
}
});
}
}
else {
// add styling for showing quiz answers
const style = document.createElement('style');
style.innerText = `
label[data-correct="true"] {
background: #c5ff81;
box-shadow: 0 0 0 14px #c5ff81;
}`;
document.head.appendChild(style);
// disable interval since this is not an exam
clearInterval(interval);
}
}, 500);
})();