<!DOCTYPE html>
<head>
<meta charset="UTF-8">
<title>jQuery方式实现旋转.</title>
<script type="text/javascript" src="./js/jquery-3.4.1.slim.min.js"></script>
<script type="text/javascript" src="./js/JqueryRotate.js"></script>
<style type="text/css">
.second{
width:300px;
height:30px;
background-color:red;
position:fixed;
left:500px;
top:500px;
/* transform:rotate(45deg); */
/* transform-origin:0px 0px; */ /* CSS设置中心点，为左上角 */
}
</style>
<script type="text/javascript">
var degre = 0;
function rotate(){
degre += 10;
var secDiv = document.getElementById("second");
secDiv.style.transform = "rotate(" + degre + "deg)";
}
function rotate2(){
degre += 10;
$("#second").rotate({
angle:degre,
center:[0,0]
});
}
function myload(){
setInterval("rotate2()",1000);
}
</script>
</head>
<body onload="myload()">
<div class="second" id="second"></div>
</body>
</html>
