File size: 2,547 Bytes
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document.addEventListener('DOMContentLoaded', () => {
const questionElement = document.getElementById('question');
const optionsElement = document.getElementById('options');
const prevButton = document.getElementById('prev');
const nextButton = document.getElementById('next');
const submitButton = document.getElementById('submit');
let questions = [];
let currentQuestionIndex = 0;
let userAnswers = [];
function loadQuestions(data) {
questions = data;
showQuestion(currentQuestionIndex);
}
function showQuestion(index) {
const question = questions[index];
questionElement.textContent = question.question;
optionsElement.innerHTML = '';
question.options.forEach((option, i) => {
const optionElement = document.createElement('div');
optionElement.innerHTML = `<input type="checkbox" id="option${i}" name="option${i}" value="${String.fromCharCode(65 + i)}">
<label for="option${i}">${option}</label>`;
optionsElement.appendChild(optionElement);
});
}
prevButton.addEventListener('click', () => {
if (currentQuestionIndex > 0) {
currentQuestionIndex--;
showQuestion(currentQuestionIndex);
}
});
nextButton.addEventListener('click', () => {
if (currentQuestionIndex < questions.length - 1) {
currentQuestionIndex++;
showQuestion(currentQuestionIndex);
}
});
submitButton.addEventListener('click', () => {
const selectedOptions = Array.from(document.querySelectorAll('input[type="checkbox"]:checked')).map(input => input.value);
userAnswers.push({ questionIndex: currentQuestionIndex, answers: selectedOptions });
if (currentQuestionIndex < questions.length - 1) {
currentQuestionIndex++;
showQuestion(currentQuestionIndex);
} else {
// Submit the quiz
fetch('/submit', {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify(userAnswers)
})
.then(response => response.json())
.then(data => {
window.location.href = '/results';
});
}
});
// Fetch questions from the server
fetch('/questions')
.then(response => response.json())
.then(data => loadQuestions(data));
});
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