使用 HTML5 dialog 制作简单好用的 lightbox 效果
时间：2023-02-25 来源：本站
直接贴代码了哟。
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
.dowebok {
display: grid;
gap: 1rem;
grid-template-columns: repeat(4, 1fr);
grid-auto-flow: row dense;
width: 90%;
margin: auto;
}
.dowebok img {
max-width: 100%;
height: auto;
}
.dowebok > :nth-child(7n + 1) {
grid-column: span 2;
grid-row: span 2;
}
.dowebok img {
display: block;
aspect-ratio: 1/1;
border-radius: 6px;
-o-object-fit: cover;
object-fit: cover;
overflow: hidden;
}
dialog.lightbox {
border: none;
padding: 0;
-webkit-animation: fadeIn 0.3s ease-out;
animation: fadeIn 0.3s ease-out;
background-color: transparent;
}
dialog.lightbox::-webkit-backdrop {
background-color: rgba(0, 0, 0, 0.4);
}
dialog.lightbox::backdrop {
background-color: rgba(0, 0, 0, 0.4);
}
dialog.lightbox img {
-o-object-fit: contain;
object-fit: contain;
display: block;
overflow: hidden;
height: 100%;
width: 100%;
max-width: 90vw;
max-width: 90dvw;
max-height: 90vh;
max-height: 90dvh;
border-radius: 6px;
}
@-webkit-keyframes fadeIn {
from {
opacity: 0;
}
to {
opacity: 1;
}
}
@keyframes fadeIn {
from {
opacity: 0;
}
to {
opacity: 1;
}
}
</style>
</head>
<body>
<div>
<img src="1.jpg" alt="">
<img src="1.jpg" alt="">
<img src="1.jpg" alt="">
<img src="1.jpg" alt="">
<img src="1.jpg" alt="">
<img src="1.jpg" alt="">
<img src="1.jpg" alt="">
<img src="1.jpg" alt="">
<img src="1.jpg" alt="">
<img src="1.jpg" alt="">
</div>
<script>
document.querySelectorAll('.dowebok img').forEach((img) => {
img.addEventListener('click', (e) => {
// 创建 dialog
const dialog = document.createElement('dialog')
dialog.className = 'lightbox'
// 克隆 img 并放入 dialog 中
const imgClone = img.cloneNode()
dialog.appendChild(imgClone)
// 把 dialog 插入到 body 中
document.body.appendChild(dialog)
dialog.showModal()
document.body.setAttribute('inert', true)
// 关闭 dialog 事件
dialog.addEventListener('click', (e) => {
if (e.target === e.currentTarget) {
dialog.close()
}
})
// dialog 关闭方法
dialog.addEventListener('close', (e) => {
dialog.parentNode.removeChild(dialog)
document.body.removeAttribute('inert')
})
})
})
</script>
</body>
</html>