我有一个列表:
<li>item one<img src="/assets/img/site/up_arrow.png" class="upArrow"/><img src="/assets/img/site/down_arrow.png" class="downArrow"/</li>
<li>item two<img src="/assets/img/site/up_arrow.png" class="upArrow"/><img src="/assets/img/site/down_arrow.png" class="downArrow"/</li>
<li>item three<img src="/assets/img/site/up_arrow.png" class="upArrow"/><img src="/assets/img/site/down_arrow.png" class="downArrow"/</li>
<li>item four<img src="/assets/img/site/up_arrow.png" class="upArrow"/><img src="/assets/img/site/down_arrow.png" class="downArrow"/</li>
<li>item five<img src="/assets/img/site/up_arrow.png" class="upArrow"/><img src="/assets/img/site/down_arrow.png" class="downArrow"/</li>
每个都有一个向上和向下的箭头。在我的jQuery中,我有以下代码:
$(".upArrow").click(function() {
});
$(".downArrow").click(function() {
});
当用户点击上箭头时,如何使其与上面的li互换位置;当他们点击下箭头时,如果存在下面的li,则将其与下面的li互换位置。