This is not a question but a "just to show you my code" a "Now I know why I came here".

var quiz = [['How many US states are there?', 50],
            ['What is the best programming language?', 'JAVASCRIPT'],
            ['Who painted starry starry night?', 'VINCENT VAN GOGH']
            ];
var score = 0;
var correctHTML;
var wrongHTML;
var answer;

function print(message) {
  document.write(message);
}


function promptQuiz(questions) {

  correctHTML =  '<ol>';
  wrongHTML =  '<ol>';

  for (i=0; i<questions.length; i++){

    answer = prompt(questions[i][0]);
    if(answer.toUpperCase() == questions[i][1]){          
      score ++;          
      correctHTML += '<li>' + questions[i][0] + ': you answered: ' + answer + '</li>';
    } 
    else if(answer.toUpperCase() != questions[i][1]) { 
      wrongHTML += '<li>' + questions[i][0] + ', answer should be: ' + questions[i][1] + '</li>';    
    }
   }

  correctHTML += '</ol>';
  wrongHTML += '</ol>';

  document.write('<h4>Score: ' + score + '</h4>');
  document.write('<h3>You answered these questions correctly!');
  print(correctHTML);

  document.write('<h3>Here are the questions you didn\'t get right:</h3>');
  print(wrongHTML);

}

promptQuiz(quiz);

var quiz = [['How many US states are there?', 50],
            ['What is the best programming language?', 'JAVASCRIPT'],
            ['Who painted starry starry night?', 'VINCENT VAN GOGH']
            ];
var score = 0;
var html;
var answer;
var correct = [];
var wrong = [];

function print(message) {

 var outputDiv =  document.getElementById('output');
  outputDiv.innerHTML = message;
}

function promptQuiz(questions) {  
  for(i=0; i<questions.length; i++) {
      answer = prompt(questions[i][0]);    
      if(answer.toUpperCase() == questions[i][1]) {
        score++;    
        correct.push(questions[i][0]);        
      }else {
        wrong.push(questions[i][0]);
      }
    }
  }

function listBuilder(arr){
  var listHTML = '<ol>';
    for(i=0; i<arr.length; i++){
      listHTML += '<li>' + arr[i] + '</li>';     
    } listHTML +=  '</ol>';
  return listHTML;
}

function printResults() {
  var resultsHTML =  '<h4>Score: ';
      resultsHTML += score +  '</h4>';
      resultsHTML += '<h4>You answered these questions correctly </h4>';
      resultsHTML += listBuilder(correct);
      resultsHTML += '<h4>You answered these questions incorrectly </h4>';
      resultsHTML += listBuilder(wrong);
  return resultsHTML;
}


promptQuiz(quiz);
print(printResults());