// Questions and Answers
var quizQuestions = [
  ['What is the capitol of the Kingdom of Thailand?','Bangkok'],
  ['How high is the Eifeltower? \(Answer only in Numbers\)','125'],
  ['What is Darth Vader\s real name?','Anakin Skywalker'],
];

// HTML output message
function print(message) {
  document.write(message);
}

// Quiz Game
function game(array) {
  for ( i = 0; i < 3; i += 1) {
  var correctAnswers = '0';
    var userAnswer = prompt(array[i][0]).toLowerCase();
  if (userAnswer === array[i][1].toLowerCase() ){
    correctAnswers += 1;
    array[i].push(true);
  } else if (userAnswer !== array[i][1].toLowerCase()){
    array[i].push(false);
  }
    console.log('Correct answers count: ' + correctAnswers);
  }
document.write('<p>You correctly answered <strong>' + correctAnswers + '</strong> questions.</p>');
document.write('<p><strong>You answered the following questions correct:</strong></p>');
document.write('<ol>');
for ( i = 0; i < 3; i += 1) {
  if ( array[i][2] ) {
    document.write('<li>' + array[i][0] + '</li>');
  }
}
document.write('</ol>');
document.write('<p><strong>You ansered the following questions wrong:</strong></p>');
document.write('<ol>');
for ( i = 0; i < 3; i += 1) {
  if ( ! array[i][2] ) {
    document.write('<li>' + array[i][0] + '</li>');
  }
}
document.write('</ol>');
}

// run Quiz Game with "quizQuestions" array
game( quizQuestions );