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<title>jquery上移下移删除</title>
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$(document).ready(function(){
$(".up").click(function(){
var onthis = $(this).parent("span").parent("li");
var getup = $(this).parent("span").parent("li").prev();
$(getup).before(onthis);
});
$(".down").click(function(){
var onthis = $(this).parent("span").parent("li");
var getdown = $(this).parent("span").parent("li").next();
$(getdown).after(onthis);
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$(".del").click(function(){
var onthis = $(this).parent("span").parent("li");
onthis.remove()
});
});
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<body>
<ul>
<li><span>1</span><span id="1"><a href="#" class="up">上移</a> | <a href="#" class="down">下移</a> | <a href="#" class="del">删除</a></span></li>
<li><span>2</span><span id="2"><a href="#" class="up">上移</a> | <a href="#" class="down">下移</a> | <a href="#" class="del">删除</a></span></li>
<li><span>3</span><span id="3"><a href="#" class="up">上移</a> | <a href="#" class="down">下移</a> | <a href="#" class="del">删除</a></span></li>
</ul>
</body>
</html>