<!DOCTYPE html><html><head><meta charset="utf-8"><script src="//libs.baidu.com/jquery/1.10.2/jquery.min.js"></script><script>$(document).ready(function(){$("button").click(function(){$("p").hide("slow",function(){alert("段落现在被隐藏了");});});});</script></head><body><button>隐藏</button><p>我们段落内容,点击“隐藏”按钮我就会消失</p></body></html>