<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery UI 拖动（Draggable） - 还原位置</title>
<link rel="stylesheet" href="https://libs.baidu.com/jqueryui/1.10.4/css/jquery-ui.min.css">
<script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script>
<script src="https://libs.baidu.com/jqueryui/1.10.4/jquery-ui.min.js"></script>
<link rel="stylesheet" href="/demo/jqueryui/style.css">
<style>
#draggable, #draggable2 { width: 100px; height: 100px; padding: 0.5em; float: left; margin: 0 10px 10px 0; }
</style>
<script>
$(function() {
$( "#draggable" ).draggable({ revert: true });
$( "#draggable2" ).draggable({ revert: true, helper: "clone" });
});
</script>
</head>
<body>
<div id="draggable" class="ui-widget-content">
<p>还原</p>
</div>
<div id="draggable2" class="ui-widget-content">
<p>还原助手</p>
</div>
</body>
</html>