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script.js
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script.js
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const startBtn = document.getElementById('start')
startBtn.addEventListener('click', startQuiz)
const previousBtn = document.getElementById("previous");
const nextBtn = document.getElementById("next");
const slides = document.querySelectorAll(".slide");
const submitBtn = document.getElementById("submit");
const optBtn = document.querySelectorAll('.option-btn')
var timeEl = document.getElementById('time')
let currentSlide = 0;
let score = 0
var timeLeft = 60
previousBtn.addEventListener('click', showPreviousSlide)
nextBtn.addEventListener('click', showNextSlide)
function startQuiz(){
console.log( `[startQuiz] initialized` )
document.getElementById('welcome').classList.remove('active-slide')
currentSlide += 1
previousBtn.style.opacity = '1'
nextBtn.style.opacity = '1'
submitBtn.style.opacity = '1'
showSlide(currentSlide);
setTime()
}
function setTime(){
console.log("counting down ...")
var timerInterval = setInterval(function(){
timeLeft--;
timeEl.textContent = "Time: " + timeLeft
if (timeLeft == 0) {
clearInterval(timerInterval)
endQuiz();
}else if (document.getElementById('end').classList.contains('active-slide')){
clearInterval(timerInterval)
}
}, 1000);
}
function showSlide(idx) {
console.log(`[showSlide] reached ... ${currentSlide}`)
slides[currentSlide].classList.remove('active-slide');
slides[idx].classList.add('active-slide');
currentSlide = idx;
if(currentSlide == 0){
console.log(`current slide is ${currentSlide}`)
}
else{
previousBtn.style.display = 'inline-block';
nextBtn.style.display = 'inline-block';
}
if(currentSlide == slides.length-2){
nextBtn.style.display = 'none';
submitBtn.style.display = 'inline-block';
console.log('last slide reached')
}
else{
nextBtn.style.display = 'inline-block';
submitBtn.style.display = 'none';
}
}
function showNextSlide() {
showSlide(currentSlide + 1);
for (let i=0; i<optBtn.length; i++){
optBtn[i].removeAttribute("disabled", "")
}
}
function showPreviousSlide() {
showSlide(currentSlide - 1);
}
function storeScores(){
console.log("[storeScores] has been reached ...")
var user = document.getElementById('userInitials').value
localStorage.setItem(user, score)
}
$('#submit').on('click', endQuiz)
function endQuiz(){
for (let i=0; i<slides.length; i++){
slides[i].classList.remove('active-slide');
}
var endSlide = document.querySelector('#end')
endSlide.classList.add('active-slide')
endSlide.children[0].textContent += score
endSlide.innerHTML += `<button id="add-user" class="btn" type="button">Add</button>`
previousBtn.style.opacity = '0'
nextBtn.style.opacity = '0'
submitBtn.style.opacity = '0'
//stop timer
clearInterval(timerInterval)
}
$('.option-btn').on('click', function(event){
for (let i=0; i<optBtn.length; i++){
optBtn[i].setAttribute("disabled", "")
}
var checkStatus = event.target.classList
var ansStatus = document.querySelector('.answer-status')
if ( checkStatus.contains('correct') ) {
score += 1
ansStatus.style.color = "green"
ansStatus.textContent = "Correct!"
} else {
ansStatus.style.color = "red"
ansStatus.textContent = "Wrong!"
// remove 5 secs from timer
timeLeft -= 5
}
console.log(score)
})
$('#add-user').on('click', storeScores)
$('#high-score').on('click', function(){
localStorage.getItem(user, score)
console.log("pulling high scores")
//document.querySelector('')
})