<!DOCTYPE html>
<head>
<meta charset="UTF-8">
<title>test01</title>
<style type="text/css">
.second{
width:300px;
height:30px;
background-color:red;
position:fixed;
left:500px;
top:500px;
transform:rotate(45deg);
}
</style>
<script type="text/javascript">
var degre = 0;
function rotate(){
degre += 10;
var secDiv = document.getElementById("second");
secDiv.style.transform = "rotate(" + degre + "deg)";
}
function myload(){
setInterval("rotate()",1000);
}
</script>
</head>
<body onload="myload()">
<div class="second" id="second"></div>
</body>
</html>
