<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>绑定函数</title>
<script src="jquery-1.3.2.js"></script>
<script>
$(document).ready(function(){
var temp= $("#test").is(":hidden");//是否隐藏
var temp1= $("#test").is(":visible");//是否可见
alert(temp) ;
alert(temp1) ;
}); </script>
</head>
<body>
<p onclick=‘test()‘>刷新测试</p>
<div id="test" style="display:none"></div>
</body>
</html>
原文：http://www.cnblogs.com/isItOk/p/5081952.html