<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
* {
margin: 0;
padding: 0;
}
li {
list-style-type: none;
}
.box {
width: 250px;
margin: 100px auto;
}
.box li {
float: left;
width: 24px;
height: 24px;
background-color: palegoldenrod;
margin: 18px;
background: url(imgs/sprite.png) no-repeat;
}
</style>
</head>
<body>
<div class="box">
<ul>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>
<script>
var lis = document.querySelectorAll("li");
for (let i = 0; i < lis.length; i++) {
lis[i].style.backgroundPosition = `0 -${i * 44}px`;
}
</script>
</body>
</html>

原创文章,作者:306829225,如若转载,请注明出处:https://blog.ytso.com/tech/webdev/272610.html