                        课程
                    
                        /前端开发
                        
                            /JavaScript
                        
                        /FullPage.js全屏滚动插件

move.js的set（）没有效果

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Document</title>

<style type='text/css'>
  body{
   margin:0;
   padding: 0;
  }
  .box{
   width: 200px;
   height: 200px;
   background-color: #000000;
   margin-left:200px;
  }
</style>
</head>
<body>
<div class="box"></div>
<button id="btn"></button>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/move.js/0.5.0/move.min.js"></script>
<script type="text/javascript">
window.onload=function () {
  document.getElementById("btn").onclick=function() {
   move('.box').set('margin-left',20).end();
  }

}

</script>
</body>
</html>