<title>jQuery UI 拖动(Draggable) - 延迟开始</title>
<link rel="stylesheet" href="/css/jqu1.10.4/jquery-ui.min.css">
<script src="/js/jqu/jquery.min1.10.2.js"></script>
<script src="/js/jqu/jquery-ui.min1.10.4.js"></script>
<link rel="stylesheet" href="jqueryui/style.css">
#draggable, #draggable2 { width: 120px; height: 120px; padding: 0.5em; float: left; margin: 0 10px 10px 0; }
$( "#draggable" ).draggable({ distance: 20 });
$( "#draggable2" ).draggable({ delay: 1000 });
$( ".ui-draggable" ).disableSelection();
<div id="draggable" class="ui-widget-content">
<p>只有把我拖拽了 20 像素后,拖拽才开始</p>