案例：jQuery UI案例     状态：可编辑再运行    进入竖版
 运行结果　
AخA
 
1
<!doctype html>
2
<html lang="en">
3
<head>
4
  <meta charset="utf-8">
5
  <title>jQuery UI 放置（Droppable） - 还原 draggable 的位置</title>
6
  <link rel="stylesheet" href="/css/jqu1.10.4/jquery-ui.min.css">
7
  <script src="/js/jqu/jquery.min1.10.2.js"></script>
8
  <script src="/js/jqu/jquery-ui.min1.10.4.js"></script>
9
  <link rel="stylesheet" href="jqueryui/style.css">
10
  <style>
11
  #draggable, #draggable2 { width: 100px; height: 100px; padding: 0.5em; float: left; margin: 10px 10px 10px 0; }
12
  #droppable { width: 150px; height: 150px; padding: 0.5em; float: left; margin: 10px; }
13
  </style>
14
  <script>
15
  $(function() {
16
    $( "#draggable" ).draggable({ revert: "valid" });
17
    $( "#draggable2" ).draggable({ revert: "invalid" });
18
19
    $( "#droppable" ).droppable({
20
      activeClass: "ui-state-default",
21
      hoverClass: "ui-state-hover",
22
      drop: function( event, ui ) {
23
        $( this )
24
          .addClass( "ui-state-highlight" )
25
          .find( "p" )
26
            .html( "已放置！" );
27
      }
28
    });
29
  });
30
  </script>
31
</head>
32
<body>
33
34
<div id="draggable" class="ui-widget-content">
35
  <p>当被放置在目标上时还原</p>
36
</div>
37
38
<div id="draggable2" class="ui-widget-content">
39
  <p>当未被放置在目标上时还原</p>
40
</div>
41
42
<div id="droppable" class="ui-widget-header">
43
  <p>请放置在这里</p>
44
</div>
45
46
47
</body>
48
</html>