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javascript - HTML - JavaScript - 添加和删除/隐藏元素

转载 作者:太空宇宙 更新时间:2023-11-04 10:01:54 30 4
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在我的网站中,用户将选择一张图片,然后该图片将被插入到一个 div 标签中。我需要它,所以当用户单击插入到 div 中的图像时,它将从 div 中删除(删除或隐藏)。我试过:

document.getElementById("elementId").style.display = "none";

和其他类似的东西。我真的无法让它工作,请帮忙!

HTML + JavaScript 代码:

<html>
<head>
<link rel="stylesheet" type="text/css" href="test.css">
<script>
var cardNumber = 1;
var deck = [];

var addCard = function(cardName)
{
if("undefined" != document.getElementById("card" + cardNumber).value)
{
if(deck.indexOf(cardName) > -1)
{

}
else
{
if(deck.length != 1)
{
deck.push(cardName);
document.getElementById("card" + cardNumber).innerHTML = '<img id = "' + cardName + '" class = "deckCardSize" onclick = updateCards(' + cardName + ') src = "Images/Cards/' + cardName + '.png">';
cardNumber += 1;
}
if(deck.length >= 1)
{
cardNumber = 1;
}
}
}
}
</script>
</head>
<body>
<div id = "card1" class = "cards"></div>
<div id = "1">
<img class = "cardSize" onclick = "addCard('Archer')" src = "Images/Cards/Archer.png">
</div>
</body>

CSS 代码:

.cards
{
height:150px;
width:125px;
float:left;
margin-left:6.2%;
margin-bottom:30px;
border:5px solid #ff6666;
background-color:#ff6666;
}
.cardSize
{
height:150px;
width:125px;
float:left;
margin-left:7%;
margin-top:30px;
}

最佳答案

您可以通过id删除img

同时修复 updateCards 函数的问题:

document.getElementById("card" + cardNumber).innerHTML = '<img id = "' + cardName + '" class = "deckCardSize" onclick = "updateCards(\'' + cardName + '\')" src = "' + cardName + '.png">';

例如,

 <div id="card1" class="cards">
<img id="Archer" class="deckCardSize" onclick="updateCards('Archer')" src="Archer.png">
</div>

然后只需删除 id="Archer"div:

document.getElementById("Archer").remove();

仅供引用,我添加了一个简单的 updateCards 函数,它只是隐藏 img 而不是完全删除它:

    var updateCards = function(cardName) {
document.getElementById(cardName).style.display = 'none';
}

关于javascript - HTML - JavaScript - 添加和删除/隐藏元素,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/38286253/

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