<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
#test{
width:30px;
height: 30px;
background:url("image/organization.png");
float:left;
}
.test-normal{
transform: rotate(0deg);
-webkit-transform: rotate(0deg);
transition: transform .5s;
}
.test-inverse{
transform: rotate(180deg);
-webkit-transform: rotate(180deg);
transition: transform .5s;
}
</style>
</head>
<body>
<div id="test" class="test-normal"></div>
<script type="text/javascript" src="js/jquery.js" ></script>
<script type="text/javascript">
$("#test").click(function(){
if($(this).hasClass("test-inverse")){
$(this).removeClass("test-inverse")
}else{
$(this).addClass("test-inverse")
}
});
</script>
</body>
</html>