【问题标题】:Populating div with images from array用数组中的图像填充 div
【发布时间】:2018-03-24 17:58:01
【问题描述】:
我正在尝试使用 JavaScript 和 jQuery 显示数组中的一些图像。
这是我的容器:
<div class="deck" id="card-deck">
</div>
这是我的 JavaScript:
var masks = ["1.jpg", "2.jpg", "3.jpg", "4.jpg", "5.jpg"];
for (var i = 0; i < masks.length; i++) {
$(".deck").append('<span>' + masks[i] + '</span>');
}
div 被填充,但带有字符串文本,这是正常的,如何正确显示他存储在数组中的图像?我需要将它们放在一个数组中,因为稍后我会对其进行洗牌等。
【问题讨论】:
标签:
javascript
jquery
html
frontend
【解决方案1】:
const deck = $(".deck"); // only select this once if possible
masks.forEach(mask => deck.append('<img src=./' + mask + '>));
【解决方案2】:
使用img标签插入span。
var masks = ["1.jpg", "2.jpg", "3.jpg", "4.jpg", "5.jpg"];
for (var i = 0; i < masks.length; i++) {
$(".deck").append('<img src="./'+masks[i]+'"/>');
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="deck" id="card-deck">
</div>
【解决方案3】:
没有癌症:
var masks = ["1.jpg", "2.jpg", "3.jpg", "4.jpg", "5.jpg"];
masks.forEach(src => {
const img = document.createElement("img");
img.src = src;
img.title = src; // To tell them apart.
window["card-deck"].appendChild(img);
});
<div class="deck" id="card-deck">
</div>
【解决方案4】:
var $cardDeck = $("#card-deck");
var imgUrls = [
"https://images.pexels.com/photos/34950/pexels-photo.jpg?auto=compress&cs=tinysrgb&h=650&w=940",
"https://images.pexels.com/photos/248797/pexels-photo-248797.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=650&w=940",
"https://images.pexels.com/photos/459225/pexels-photo-459225.jpeg?auto=compress&cs=tinysrgb&h=650&w=940"
];
for (var i = 0; i < imgUrls.length; i++) {
var $card = $("<div>", {"id":"card"});
// using urls, but you can easily adjust this line and the imgUrls array to use image files
$card.css("background-image", "url(" + imgUrls[i] + ")");
$cardDeck.append($card);
}
#card-deck {
width: 10em;
height: 10em;
background-color: #0f0;
border: 1px solid #f00;
}
#card {
width: 10em;
height: 1em;
border: 1px solid #00f;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="deck" id="card-deck">
</div>