For image lazy loading, we will change the data-lazy attribute instead of the src attribute in the image tag. Follow the below snippet to learn lazy loading.
Follow the complete code with an example.
<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.5.9/slick.min.css"/>
<link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.5.9/slick-theme.min.css"/>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.8.1/slick.min.js"></script>
<link rel="stylesheet" type="text/css" href="style.css"/>
<title>Image Lazy Loading</title>
</head>
<body>
<div class="main">
<div class="slider slide-show">
<div class="img-wish">
<img data-lazy="s1.png" >
</div>
<div class="img-wish">
<img data-lazy="s2.png" >
</div>
<div class="img-wish">
<img data-lazy="s3.png" >
</div>
<div class="img-wish">
<img data-lazy="s4.png" >
</div>
<div class="img-wish">
<img data-lazy="s5.png" >
</div>
<div class="img-wish">
<img data-lazy="s6.png" >
</div>
</div>
</div>
</body>
<script>
$('.slide-show').slick({
lazyLoad: 'ondemand',
slidesToShow: 3,
slidesToScroll: 1
});
</script>
</html>
Create external stylesheet and add it to the above example
body{
background:#ccc;
}
.main {
width: 800px;
display:block;
margin:0 auto;
}
.img-wish{text-align: center !important;margin: 20px;}
.img-wish img{width: 100%;}
More examples from slick slider codepen – click here
