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script.js
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script.js
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const startBtn = document.querySelector('.start-btn');
const popupInfo = document.querySelector('.popup-info');
const exitBtn = document.querySelector('.exit-btn');
const main = document.querySelector('.main');
const continueBtn = document.querySelector('.continue-btn');
const quizSection = document.querySelector('.quiz-section');
const quizBox = document.querySelector('.quiz-box');
const resultBox = document.querySelector('.result-box');
const tryAgainBtn = document.querySelector('.tryAgain-btn');
const goHomeBtn = document.querySelector('.goHome-btn');
startBtn.onclick = () => {
popupInfo.classList.add('active');
main.classList.add('active');
}
exitBtn.onclick = () => {
popupInfo.classList.remove('active');
main.classList.remove('active');
}
continueBtn.onclick = () => {
quizSection.classList.add('active');
popupInfo.classList.remove('active');
main.classList.remove('active');
quizBox.classList.add('active');
showQuestions(0);
questionCounter(1);
headerScore();
}
tryAgainBtn.onclick = () => {
quizBox.classList.add('active');
nextBtn.classList.remove('active');
resultBox.classList.remove('active');
questionCount = 0;
questionNumb = 1;
userScore = 0;
showQuestions(questionCount);
questionCounter(questionNumb);
headerScore();
}
goHomeBtn.onclick = () => {
quizSection.classList.remove('active');
nextBtn.classList.remove('active');
resultBox.classList.remove('active');
questionCount = 0;
questionNumb = 1;
userScore = 0;
showQuestions(questionCount);
questionCounter(questionNumb);
headerScore();
}
let questionCount = 0;
let questionNumb = 1;
let userScore = 0;
const nextBtn = document.querySelector('.next-btn');
nextBtn.onclick = () => {
if (questionCount < questions.length - 1) {
questionCount++;
showQuestions(questionCount);
questionNumb++;
questionCounter(questionNumb);
nextBtn.classList.remove('active');
}
else {
showResultBox();
}
}
const optionList = document.querySelector('.option-list');
function showQuestions(index) {
const questionText = document.querySelector('.question-text');
questionText.textContent = `${questions[index].numb}. ${questions[index].question}`;
let optionTag =
`<div class="option">
<span>${questions[index].options[0]}</span>
</div>
<div class="option">
<span>${questions[index].options[1]}</span>
</div>
<div class="option">
<span>${questions[index].options[2]}</span>
</div>
<div class="option">
<span>${questions[index].options[3]}</span>
</div>`;
optionList.innerHTML = optionTag;
const option = document.querySelectorAll('.option');
for (let i = 0; i < option.length; i++) {
option[i].setAttribute('onclick', 'optionSelected(this)');
}
}
function optionSelected(answer) {
let userAnswer = answer.textContent.trim();
let correctAnswer = questions[questionCount].answer;
let allOption = optionList.children.length;
if (userAnswer === correctAnswer) {
answer.classList.add('correct');
userScore += 1;
headerScore();
} else {
answer.classList.add('incorrect');
for (let i = 0; i < allOption; i++) {
if (optionList.children[i].textContent.trim() === correctAnswer) {
optionList.children[i].setAttribute('class', 'option correct');
}
}
}
for (let i = 0; i < allOption; i++) {
optionList.children[i].classList.add('disabled');
}
nextBtn.classList.add('active');
}
function questionCounter(index) {
const questionTotal = document.querySelector('.question-total');
questionTotal.textContent = `${index} ରୁ ${questions.length} ପ୍ରଶ୍ନ`;
}
function headerScore() {
const headerScoreText = document.querySelector('.header-score');
headerScoreText.textContent = `ସ୍କୋର: ${userScore} / ${questions.length}`;
}
function showResultBox() {
quizBox.classList.remove('active');
resultBox.classList.add('active');
const scoreText = document.querySelector('.score-text');
scoreText.textContent = `ଆପଣଙ୍କ ସ୍କୋର ${questions.length} ରୁ ${userScore}`;
const circularProgress = document.querySelector('.circular-progress');
const progressValue = document.querySelector('.progress-value');
let progressStartValue = -1;
let progressEndValue = (userScore / questions.length) * 100;
let speed = 20;
let progress = setInterval(() => {
progressStartValue++;
progressValue.textContent = `${progressStartValue}%`;
circularProgress.style.background = `conic-gradient(#c40094 ${progressStartValue * 3.6}deg, rgba(255, 255, 255, .1) 0deg)`;
if (progressStartValue == progressEndValue) {
clearInterval(progress);
}
}, speed);
}