让元素在网页中可拖动示例代码

<script src="http://code.jquery.com/jquery-1.9.1.js"></script>
<script src="http://code.jquery.com/ui/1.10.3/jquery-ui.js"></script>

<div id="draggable">
<p>Drag me around!</p>
</div>

#draggable {
width:150px;
height:150px;
padding:0.5em;
border:1px solid;
}

<script>
$(function() {
$('#draggable').draggable();
});
</script>

<!-- import the necessary files -->
<script src="http://code.jquery.com/jquery-1.9.1.js"></script>
<script src="http://code.jquery.com/ui/1.10.3/jquery-ui.js"></script>
<script>
$(function() {
$('#draggable').draggable();
});
</script>
<style>
#draggable {
width:150px;
height:150px;
padding:0.5em;
border:1px solid;
}
</style>
<div id="draggable">
<p>Drag me around!</p>
</div>