Microsoft Practice Exam Choice Randomizer

microsoft-practice-exam-choice-randomizer.js

// What this does:
// - Shuffles the first question's quiz answers.
// - Adds a listener to the next question button and executed the shuffle code after 2 seconds.

shuffleQuizChoices()
document.getElementById("next-button").addEventListener("click", function () {
  setTimeout(shuffleQuizChoices, 2000);
});

function shuffleQuizChoices() {
  const choicesWrapper = document.querySelector('#main > div > form > div.margin-top-lg.margin-bottom-sm > fieldset > div.control > div');
  const choices = Array.from(choicesWrapper.querySelectorAll('.quiz-choice'));
  const labels = Array.from(choicesWrapper.querySelectorAll('.margin-left-md'));

  choices.forEach(choice => choicesWrapper.removeChild(choice));
  labels.forEach(label => choicesWrapper.removeChild(label));

  for (let i = choices.length - 1; i > 0; i--) {
    const j = Math.floor(Math.random() * (i + 1));
    [choices[i], choices[j]] = [choices[j], choices[i]];
    [labels[i], labels[j]] = [labels[j], labels[i]];
  }

  for (let i = choices.length - 1; i > -1; --i) {
    choicesWrapper.appendChild(choices[i]);
    choicesWrapper.appendChild(labels[i]);
  }
  
  console.log("shuffled");
}