64 lines
1.2 KiB
JavaScript
64 lines
1.2 KiB
JavaScript
const cards = document.querySelectorAll('.memory-card');
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let hasFlippedCard = false;
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let lockBoard = false;
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let firstCard, secondCard;
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function flipCard() {
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if (lockBoard) return;
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if (this === firstCard) return;
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this.classList.add('flip');
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if (!hasFlippedCard) {
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// first click
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hasFlippedCard = true;
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firstCard = this;
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return;
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}
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// second click
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secondCard = this;
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checkForMatch();
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}
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function checkForMatch() {
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let isMatch = firstCard.dataset.framework === secondCard.dataset.framework;
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isMatch ? disableCards() : unflipCards();
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}
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function disableCards() {
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firstCard.removeEventListener('click', flipCard);
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secondCard.removeEventListener('click', flipCard);
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resetBoard();
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}
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function unflipCards() {
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lockBoard = true;
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setTimeout(() => {
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firstCard.classList.remove('flip');
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secondCard.classList.remove('flip');
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resetBoard();
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}, 1500);
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}
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function resetBoard() {
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[hasFlippedCard, lockBoard] = [false, false];
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[firstCard, secondCard] = [null, null];
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}
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(function shuffle() {
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cards.forEach(card => {
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let randomPos = Math.floor(Math.random() * 12);
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card.style.order = randomPos;
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});
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})();
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cards.forEach(card => card.addEventListener('click', flipCard));
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