test jqueryui | 码农工具

​x
 
<!doctype html>
<html>
<head>
    <meta charset="utf-8" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>
    <style>
        .draggable { width: 200px; height: 200px; border: 1px dotted #000 }
    </style>
    <script>
        $(function() {
            $( ".draggable" ).draggable();
            $("#add_elem").click(function(){
                  $elem = '<div class="draggable">方框B</div>';
                  $('body').append($elem);
            });
        });
    </script>
​
</head>
<body>
<button id="add_elem">添加元素</button>
<div class="draggable">
  <p>方框A</p>
</div>
</body>
</html>
HTML