CSS和JavaScript全屏焦点图是一种网页设计技术,通过CSS和JavaScript实现图片的全屏显示和焦点切换效果。这种技术常用于网站的首页或重要页面,以吸引用户的注意力并展示重要内容。
以下是一个简单的CSS和JavaScript全屏焦点图示例:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Fullscreen Focus Image</title>
<style>
body, html {
height: 100%;
margin: 0;
padding: 0;
overflow: hidden;
}
.fullscreen-image {
width: 100%;
height: 100%;
background-size: cover;
background-position: center;
transition: background-image 1s ease-in-out;
}
.fullscreen-image:nth-child(1) { background-image: url('image1.jpg'); }
.fullscreen-image:nth-child(2) { background-image: url('image2.jpg'); }
.fullscreen-image:nth-child(3) { background-image: url('image3.jpg'); }
</style>
</head>
<body>
<div class="fullscreen-image"></div>
<script>
const images = document.querySelectorAll('.fullscreen-image');
let currentIndex = 0;
function changeImage() {
images[currentIndex].style.display = 'none';
currentIndex = (currentIndex + 1) % images.length;
images[currentIndex].style.display = 'block';
}
setInterval(changeImage, 3000);
</script>
</body>
</html>
通过以上方法,可以实现一个简单且高效的全屏焦点图效果。如果需要更复杂的功能,可以考虑使用现有的JavaScript库或框架,如Swiper、Slick等。
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