window.onload = function(){ var score = 0; var pecentage = 0; var time = 25 var questions = [ { 'question': 'What is the most populous country in Africa ?', 'option1': 'Ghana', 'option2': 'Mali', 'option3': 'South Africa', 'answer': 'Nigeria' }, { 'question': 'Who is the founder Microsoft ?', 'option1': 'Mark Zukerberg', 'option2': 'Larry Page', 'answer': 'Bill Gates', 'option4': 'Jeff Bezos' }, { 'question': 'What is the most populous city in Africa ?', 'option1': 'Lagos', 'option2': 'Cotonou', 'option3': 'Accra', 'answer': 'Cairo' } ]; var questionNumber = -1 ; function showQuestions() { checkAnswer(); questionNumber++; if (questionNumber == 2) { document.getElementById('next').innerHTML = 'submit' } if (questionNumber == 3) { checkAnswer(); } var showQuestions = document.getElementById('showQuestions'); showQuestions.innerHTML = questions[questionNumber].question; var showOptions = document.getElementById('showOptions'); showOptions.innerHTML = "" + questions[questionNumber].option1 + "
" + "" + questions[questionNumber].option2 + "
" + "" + questions[questionNumber].option3 + "
" + "" +questions[questionNumber].answer + "
"; function countDownTimer() { var showTime = document.getElementById('showTime'); showTime.innerHTML = time--; if (time == 5) { prompt('you have 5 seconds left continue?'); } if (time == 0) { clearInterval(timer); displayScore(); } } var timer = setInterval(countDownTimer, 1000); } function checkAnswer() { var ballon = document.getElementsByClassName('ballon'); for (let i = 0; i < ballon.length; i++) { if (ballon[i].checked){ console.log(ballon[i].value); score++; var correctAnswer = questionNumber; for (let index = 0; index < correctAnswer.length; index++) { } if (ballon[i].value == questions[questionNumber].answer){ console.log(ballon[i].value); }; } } } function displayScore() { percentage = (score/3) * 100; document.write('you scored: ' + percentage + '%'); return percentage; } var nextButton = document.getElementById('next'); nextButton.addEventListener('click', showQuestions); };

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