<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>test</title>
<script type="text/javascript" src="http://code.jquery.com/jquery-1.11.1.min.js"></script>
</head>
<body>
<ul class="orderobj">
<li class="preview" a="2">2</li>
<li class="preview" a="5">5</li>
<li class="preview" a="1">1</li>
<li class="preview" a="9">9</li>
<li class="preview" a="8">8</li>
</ul>
<button onclick="test()">测试</button>
<script language="JavaScript" type="text/JavaScript">
function test(){
var items = $(".orderobj li").get();
items.sort(function(a,b)
{
var A = $(a).attr(‘a‘);
var B = $(b).attr(‘a‘);
if(A < B) return -1;
if(A > B) return 1;
return 0;
});
var ul = $(".orderobj");
$.each(items,function(i,li)
{
ul.append(li);
});
}
</script>
</body>
</html>原文：http://mobai.blog.51cto.com/7300044/1562055