我正在研究一个使用JS的记忆游戏。我设法做了一些切换工作,在两张卡片面之间来回改变班级。我现在试图获得一个功能,检查两张游戏卡是否匹配,如果图像保持翻转,如果它们不是图像还原到卡面。如何编写一个函数来检查两个类是否相同
// variable declarations for game elements
let gameTiles = document.getElementsByClassName('game_tile');
let cardFace = document.getElementsByClassName('card_face');
let cardMatchCheck = [];
let cardArray =
[ "one", "one", "two", "two", "three", "three",
"four", "four", "five", "five", "six", "six",
"seven", "seven", "eight", "eight", "nine", "nine",
"ten", "ten", "eleven", "eleven", "twelve", "twelve" ];
// div class assignment for loop from the cardArray
// .className += allows for adding to an already assigned class
// in this case "game_tile" (our button class)
for (let i = 0; i < gameTiles.length; i++) {
for (let j = 0; j < cardArray.length; j++) {
gameTiles[i].setAttribute("class", cardArray[j]);
}
}
// click response (working)
let gameTileClick = document.getElementsByTagName('button');
for (let i = 0; i < gameTileClick.length; i++) {
gameTileClick[i].addEventListener('click', changeCardImage);
}
// testing grounds:
// this function runs through all card classes, and switches
// between both card image states (back, front, back)
// need to work on implementing the pair recognition
function changeCardImage(cardArray) {
if (cardArray.className == 'one') {
cardArray.className = 'card_one_img'
cardMatchCheck.push(cardArray.className);
cardMatch();
cardMismatch();
} else if (cardArray.className == 'card_one_img') {
cardArray.className = "one"
} else if (cardArray.className == 'two') {
cardArray.className = 'card_two_img'
cardMatchCheck.push(cardArray.className);
cardMatch();
cardMismatch();
} else if (cardArray.className == 'card_two_img') {
cardArray.className = 'two'
} else if (cardArray.className == 'three') {
cardArray.className = 'card_three_img'
} else if (cardArray.className == 'card_three_img') {
cardArray.className = 'three'
} else if (cardArray.className == 'four') {
cardArray.className = 'card_four_img'
} else if (cardArray.className == 'card_four_img') {
cardArray.className = 'four'
} else if (cardArray.className == 'five') {
cardArray.className = 'card_five_img'
} else if (cardArray.className == 'card_five_img') {
cardArray.className = 'five'
} else if (cardArray.className == 'six') {
cardArray.className = 'card_six_img'
} else if (cardArray.className == 'card_six_img') {
cardArray.className = 'six'
} else if (cardArray.className == 'seven') {
cardArray.className = 'card_seven_img'
} else if (cardArray.className == 'card_seven_img') {
cardArray.className = 'seven'
} else if (cardArray.className == 'eight') {
cardArray.className = 'card_eight_img'
} else if (cardArray.className == 'card_eight_img') {
cardArray.className = 'eight'
} else if (cardArray.className == 'nine') {
cardArray.className = 'card_nine_img'
} else if (cardArray.className == 'card_nine_img') {
cardArray.className = 'nine'
} else if (cardArray.className == 'ten') {
cardArray.className = 'card_ten_img'
} else if (cardArray.className == 'card_ten_img') {
cardArray.className = 'ten'
} else if (cardArray.className == 'eleven') {
cardArray.className = 'card_eleven_img'
} else if (cardArray.className == 'card_eleven_img') {
cardArray.className = 'eleven'
} else if (cardArray.className == 'twelve') {
cardArray.className = 'card_twelve_img'
} else if (cardArray.className == 'card_twelve_img') {
cardArray.className = 'twelve'
}
}
console.log(cardMatchCheck);
// function for checking card match/mismatch
function cardMatch() {
if (cardArray.className == cardArray.className) {
console.log('match');
}
}
function cardMismatch() {
if (cardArray.className != cardArray.className) {
cardArray.className = 'card_face';
}
}
道歉,如果任何格式是时髦 - 这是我的第一个SO帖子。任何方向都非常感谢。预先感谢您的时间!
编辑:这里是我到目前为止有:https://codepen.io/woolsox/pen/mMRPJK
你的问题是什么? 请将代码放在http://codepen.io,以便人们可以看到它的功能。 –
抱歉,只是添加了codepen。我试图弄清楚如何编写一个函数,让游戏识别两张牌是否与他们保持透露的相同,如果没有,他们会翻转回来。 – woolsox
整个方法容易出错,并且有大量不必要的重复代码。您应该使用数组来存储卡片,并使用负值表示卡片已翻转。这会将那些“其他”如果减少到总共两到三行,并允许您在任何时候添加更多图像,而无需添加更多的复制面食代码。 –