<!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>
<title>可见性选择器</title>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
<style type="text/css">
.yang{ border-collapse: collapse; width:500px;height:30px;border:1px solid red;"}
</style>
<script type="text/javascript" src="jquery-1.7.1.min.js"></script>
<script type="text/javascript">
/*
:hidden //匹配所有隐藏的元素
:visible //匹配所有显示的元素
*/
window.onload=function(){
$('#btnOk').click(function(){
//匹配匹配所有显示的元素并隐藏
$('div:visible').hide();
});
};
</script>
</head>
<body>
<div>div1</div>
<div style="display:none">div2</div>
<hr/>
<input type="button" id='btnOk' value='确定' />
</body>
</html>
