let selectedQuestions = [];

//creates random index between 0 and the length of any array passed into it
const getRandomIndex = (arr) => Math.floor(Math.random() * arr.length);

//uses getRandomIndex to generate select a random object from and array. Also checks to see if the random object has been selected, if not, pushes the question to the empty selectedQuestions array and if selected, loops through its own function with a recursion by calling itself until it finds a question that has not already been pushed to the selectedQuestions array.
const getRandomObject = (arr) => {
  const random = getRandomIndex(arr);
  if (selectedQuestions.includes(random)) {
    getRandomObject(arr);
  }
  selectedQuestions.push(random);
  console.log("selected questions:", selectedQuestions.length)
  return arr[random];

  //renders the selected array and questions in the correct section of the quiz board.
  const randomGenerator = () => {
    const data = getRandomObject(questions);
    progress.textContent = `Question ${gameState.questionCounter} of ${maxQuestion}`
    questionBoard.textContent = `Q${gameState.questionCounter}. ${data.question}`;
    currentCorrectAnswer = data.answer;
    userAnswer.forEach((answer, index) => {
      answer.innerHTML = `${alphabet[index]}. ${data.choices[index]}`;
    });
    currentUserAnswer = null;
    clearAll()

    gameState.questionCounter++
      nextBtn.disabled = true;

    setDisabledStateForQuizAnswers(false);
  }
}