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app.js
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app.js
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const correctAnswers = ['B', 'B', 'B','B'];
const form = document.querySelector('.quiz-form ') ;
const result = document.querySelector('.result');
form.addEventListener('submit', e =>{
e.preventDefault();
let score = 0;
const userAnswers = [form.q1.value, form.q2.value, form.q3.value, form.q4.value];
//check answers
userAnswers.forEach((answer, index) =>{
if(answer === correctAnswers[index]){
score +=25;
}
});
//show result on page
scrollTo(0,0);
result.classList.remove('d-none');
let output = 0 ;
const timer = setInterval(() => {
result.querySelector('span').textContent = `${output}%`;
if(output === score){
clearInterval(timer);
}else{
output++;
}
}, 10);
});