我的問題是參考createBoard()函數,這裏是第二個函數。爲什麼我的for循環從最後一項開始並在一次迭代後停止運行?
執行時,循環以[cards]數組中的最後一項開始。它將「王」分配給第一個< .card類元素>,然後循環停止。這裏有什麼見解?
main.js
function createCards(){
var gameBoard = document.getElementById('game-board');
for(var i = 1; i <= 4; i++){
//Create newCard as a Div
var newCard = document.createElement('div');
//Add Class of .card to the NewCard
newCard.className = 'card';
// Append card to the board
gameBoard.appendChild(newCard);
}
}
createCards();
var cardsInPlay = [];
function createBoard() {
var cards = ["queen", "queen", "king", "king"];
for(var j = 0; j < cards.length; j++){
document.querySelector(".card").setAttribute("data-card", cards[j]);
// document.querySelector(".card").addEventListener("click", isTwoCards)
}
}
createBoard();
的index.html
<!DOCTYPE html>
<html>
<head>
<title>Memory Game</title>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<nav class="clearfix">
<a href="#">Instructions</a>
<a href="#">Game</a>
</nav>
<h1>Memory Game</h1>
<h2>This is a game of "Remember This"</h2>
<h2>Instructions</h2>
<p>Concentration,....more text</p>
<div class="board" id="game-board">
</div>
<footer>
</footer>
<script src="main.js"></script>
</body>
</html>
的問題是在參照createBoard()函數。我忘了說早些時候。首先是有可見性。 – ZeroCalm