确切代码:
<!doctype html>
<html>
<head>
<title>jQTest</title>
<meta charset="utf-8" />
<meta http-equiv="Content-type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style>
#square {
height:200px;
width:200px;
background-color:grey;
}
</style>
</head>
<body>
<div id="square"></div>
<script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.10.4/jquery-ui.min.js"></script>
<script>
$("#square").draggable();
</script>
</body>
</html>
我尝试了什么