精灵图排列.html

<!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>精灵图排列</title>
</head>
<body>
    <ul>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
    </ul>
    <script>
        var lis = document.querySelectorAll('li');
        for(var i = 0;i<lis.length;i++){
            var index = i*-44;
            lis[i].style.backgroundPosition = '0 -' + index + 'px';
        }
    </script>
</body>
</html>