courses
Version:
record my study
28 lines • 757 B
HTML
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>WebP Demo</title>
<style>
.box {
width: 200px;
height: 200px;
border: 1px solid #ddd;
background: url('./images/lady.jpg')
}
.webp .box {
background: url('./images/lady.webp')
}
</style>
<script>
if(document.createElement('canvas').toDataURL('image/webp').indexOf('data:image/webp') == 0){
document.querySelector('html').classList = 'webp'
}
</script>
</head>
<body>
<div class="box"></div>
</body>
</html>