const quizData = [
{
question: 'What is the capital of France?',
options: ['Paris', 'London', 'Berlin', 'Madrid'],
answer: 'Paris',
},
{
question: 'What is the largest planet in our solar system?',
options: ['Mars', 'Saturn', 'Jupiter', 'Neptune'],
answer: 'Jupiter',
},
{
question: 'Which country won the FIFA World Cup in 2018?',
options: ['Brazil', 'Germany', 'France', 'Argentina'],
answer: 'France',
},
{
question: 'What is the tallest mountain in the world?',
options: ['Mount Everest', 'K2', 'Kangchenjunga', 'Makalu'],
answer: 'Mount Everest',
},
{
question: 'Which is the largest ocean on Earth?',
options: [
'Pacific Ocean',
'Indian Ocean',
'Atlantic Ocean',
'Arctic Ocean',
],
answer: 'Pacific Ocean',
},
{
question: 'What is the chemical symbol for gold?',
options: ['Au', 'Ag', 'Cu', 'Fe'],
answer: 'Au',
},
{
question: 'Who painted the Mona Lisa?',
options: [
'Pablo Picasso',
'Vincent van Gogh',
'Leonardo da Vinci',
'Michelangelo',
],
answer: 'Leonardo da Vinci',
},
{
question: 'Which planet is known as the Red Planet?',
options: ['Mars', 'Venus', 'Mercury', 'Uranus'],
answer: 'Mars',
},
{
question: 'What is the largest species of shark?',
options: [
'Great White Shark',
'Whale Shark',
'Tiger Shark',
'Hammerhead Shark',
],
answer: 'Whale Shark',
},
{
question: 'Which animal is known as the King of the Jungle?',
options: ['Lion', 'Tiger', 'Elephant', 'Giraffe'],
answer: 'Lion',
},
];
const quizContainer = document.getElementById('quiz');
const resultContainer = document.getElementById('result');
const submitButton = document.getElementById('submit');
const retryButton = document.getElementById('retry');
const showAnswerButton = document.getElementById('showAnswer');
let currentQuestion = 0;
let score = 0;
let incorrectAnswers = [];
function shuffleArray(array) {
for (let i = array.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
[array[i], array[j]] = [array[j], array[i]];
}
}
function displayQuestion() {
const questionData = quizData[currentQuestion];
const questionElement = document.createElement('div');
questionElement.className = 'question';
questionElement.innerHTML = questionData.question;
const optionsElement = document.createElement('div');
optionsElement.className = 'options';
const shuffledOptions = [...questionData.options];
shuffleArray(shuffledOptions);
for (let i = 0; i < shuffledOptions.length; i++) {
const option = document.createElement('label');
option.className = 'option';
const radio = document.createElement('input');
radio.type = 'radio';
radio.name = 'quiz';
radio.value = shuffledOptions[i];
const optionText = document.createTextNode(shuffledOptions[i]);
option.appendChild(radio);
option.appendChild(optionText);
optionsElement.appendChild(option);
}
quizContainer.innerHTML = '';
quizContainer.appendChild(questionElement);
quizContainer.appendChild(optionsElement);
}
function checkAnswer() {
const selectedOption = document.querySelector('input[name="quiz"]:checked');
if (selectedOption) {
const answer = selectedOption.value;
if (answer === quizData[currentQuestion].answer) {
score++;
} else {
incorrectAnswers.push({
question: quizData[currentQuestion].question,
incorrectAnswer: answer,
correctAnswer: quizData[currentQuestion].answer,
});
}
currentQuestion++;
selectedOption.checked = false;
if (currentQuestion < quizData.length) {
displayQuestion();
} else {
displayResult();
}
}
}
function displayResult() {
quizContainer.style.display = 'none';
submitButton.style.display = 'none';
retryButton.style.display = 'inline-block';
showAnswerButton.style.display = 'inline-block';
resultContainer.innerHTML = `You scored ${score} out of ${quizData.length}!`;
}
function retryQuiz() {
currentQuestion = 0;
score = 0;
incorrectAnswers = [];
quizContainer.style.display = 'block';
submitButton.style.display = 'inline-block';
retryButton.style.display = 'none';
showAnswerButton.style.display = 'none';
resultContainer.innerHTML = '';
displayQuestion();
}
function showAnswer() {
quizContainer.style.display = 'none';
submitButton.style.display = 'none';
retryButton.style.display = 'inline-block';
showAnswerButton.style.display = 'none';
let incorrectAnswersHtml = '';
for (let i = 0; i < incorrectAnswers.length; i++) {
incorrectAnswersHtml += `
Question: ${incorrectAnswers[i].question}
Your Answer: ${incorrectAnswers[i].incorrectAnswer}
Correct Answer: ${incorrectAnswers[i].correctAnswer}
You scored ${score} out of ${quizData.length}!
Incorrect Answers:
${incorrectAnswersHtml} `; } submitButton.addEventListener('click', checkAnswer); retryButton.addEventListener('click', retryQuiz); showAnswerButton.addEventListener('click', showAnswer); displayQuestion();