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Memory – Pair Game #445

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Memory – Pair Game #445

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25b7331
Add memory pairs task
okkkko Jan 29, 2021
9f0e3dd
Add fixes
okkkko Feb 27, 2021
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19 changes: 19 additions & 0 deletions submissions/okkkko/memory_pairs_game/index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Memory Pairs Game</title>
<link rel="stylesheet" href="style.css">
<link rel="preconnect" href="https://fonts.gstatic.com">
<link
href="https://fonts.googleapis.com/css2?family=Inconsolata&display=swap"
rel="stylesheet"
>
</head>
<body>
<h1 class="game_title">Memory Pairs Game</h1>
<div class="game_field"></div>
<script src="script.js"></script>
</body>
</html>
81 changes: 81 additions & 0 deletions submissions/okkkko/memory_pairs_game/script.js
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const cardsId = ["01", "02", "03", "04", "05", "06"];
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@boxdxnx boxdxnx Feb 8, 2021

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Ids

const cardsArr = [...cardsId, ...cardsId];
const maxNumOfHiddenCards = 12;
const maxNumOfFlippedCards = 2;
const delayForHidden = 100;
const delayForClicked = 800;
const delayForAlert = 700;
let gameField = document.querySelector(".game_field");
let numOfHiddenCards = 0;
let arrOfFlippedCardsId = [];
let firstFlippedContainer;
let secondFlippedContainer;

function createCard(id) {
let flipContainer = document.createElement("div");
flipContainer.className = "flip-container";
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@boxdxnx boxdxnx Feb 8, 2021

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classList api is more flexible for styling

flipContainer.setAttribute("id", id);
gameField.append(flipContainer);
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@boxdxnx boxdxnx Feb 8, 2021

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append after all manipulations

flipContainer.innerHTML = `
<div class="flipper">
<div class="front">
<img src="img/paw.jpg">
</div>
<div class="back">
<img src="img/funny-cat_${id}.jpg">
</div>
</div>`;
}
function createField() {
cardsArr.sort(function () {
return 0.5 - Math.random();
});
cardsArr.forEach((id) => createCard(id));
}
function flipCard(event) {
if (arrOfFlippedCardsId.length == 0) {
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@boxdxnx boxdxnx Feb 8, 2021

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Suggested change
if (arrOfFlippedCardsId.length == 0) {
if (!arrOfFlippedCardsId.length) {

firstFlippedContainer = event.target.closest(".flip-container");
firstFlippedContainer.classList.add("clicked");
arrOfFlippedCardsId.push(firstFlippedContainer.id);
} else if (arrOfFlippedCardsId.length == 1 && event.target.closest('.flip-container')!==firstFlippedContainer) {
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@boxdxnx boxdxnx Feb 8, 2021

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Use strict equality operator

secondFlippedContainer = event.target.closest(".flip-container");
secondFlippedContainer.classList.add("clicked");
arrOfFlippedCardsId.push(secondFlippedContainer.id);
CheckPairs();
}
}
function CheckPairs() {
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@boxdxnx boxdxnx Feb 8, 2021

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Why not using camelCase here ?)

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@okkkko okkkko Feb 27, 2021

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probably it is a typo:)

if (
arrOfFlippedCardsId[0] == arrOfFlippedCardsId[1] &&
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use destructuring
example
const [firstId, secondId] =arrOfFlippedCardsId

firstFlippedContainer !== secondFlippedContainer
) {
setTimeout(() => {
firstFlippedContainer.classList.add("hidden");
secondFlippedContainer.classList.add("hidden");
arrOfFlippedCardsId = [];
numOfHiddenCards += 2;
setTimeout(() => {
checkNumOfHiddenCard();
}, delayForAlert);
}, delayForHidden);
} else {
setTimeout(() => {
firstFlippedContainer.classList.remove("clicked");
secondFlippedContainer.classList.remove("clicked");
arrOfFlippedCardsId = [];
}, delayForClicked);

}
}
function checkNumOfHiddenCard() {
if (numOfHiddenCards === maxNumOfHiddenCards) {
alert("You win!");

gameField.innerHTML = "";
numOfHiddenCards = 0;
createField();
}
}

createField();
gameField.addEventListener("click", flipCard);
83 changes: 83 additions & 0 deletions submissions/okkkko/memory_pairs_game/style.css
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* {
padding: 0;
margin: 0;
box-sizing: border-box;
}
body {
background-color: rgb(223, 223, 223);
}
.game_title {
text-align: center;
margin-top: 5vh;
font-size: 32px;
font-family: "Inconsolata", monospace;
font-weight: 500;
}
.game_field {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 10px 10px;
margin-left: auto;
margin-right: auto;
margin-top: 30px;
width: 630px;
}
.flip-container {
perspective: 1000px;
}

.flip-container.clicked .flipper {
transform: rotateY(180deg);
}
.flip-container.clicked.hidden {
visibility: hidden;
}
.front img,
.back img {
cursor: pointer;
width: 150px;
height: 150px;
border: 2px solid rgb(71, 68, 68);
border-radius:5px;
}
.flip-container {
width: 150px;
height: 150px;
}

.flipper {
transition: 0.6s;
transform-style: preserve-3d;
position: relative;
}

.front,
.back {
backface-visibility: hidden;
position: absolute;
top: 0;
left: 0;
}
.front {
z-index: 2;
transform: rotateY(0deg);
}
.back {
transform: rotateY(180deg);
}
@media (max-width: 660px) {
.game_field {
grid-template-columns: repeat(3, 1fr);
width: 320px;
gap: 5px 5px;
}
.front img,
.back img {
width: 103px;
height: 103px;
}
.flip-container {
width: 103px;
height: 103px;
}
}