jquery 反转 dom元素

例:

<ul>
  <li>A</li>
  <li>B</li>
  <li>C</li>
</ul>

需要变成:

<ul>
  <li>C</li>
  <li>B</li>
  <li>A</li>
</ul>

代码:

$(function(){
     var list = $('ul');
     var listItems = list.children('li');
     list.append(listItems.get().reverse());
})

参考： https://stackoverflow.com/questions/5347839/jquery-reversing-the-order-of-child-elements