此方法选取匹配所有的可见元素:
实例:
<!DOCTYPE html>
<html class=‘html‘>
<head class=‘head‘>
<meta charset=‘ utf-8‘>
<meta name=‘author‘ content=‘http://www.52jb.net/‘ />
<script type=‘text/javascript‘ src=‘./js/jquery-1.12.1.min.js‘></script>
<title>Inset you title</title>
<style type=‘text/css‘>
*{margin:0;padding:0;}
div,form{width:150px;height:20px;margin:20px;}
#hidden,#user{display:none;}
#opacity{filter:alpha(opacity=0);opacity:0;}
</style>
<script type=‘text/javascript‘>
$(function(){
alert($(‘body :visible‘).get(0).className);
});
</script>
</head>
<body class=‘body‘>
<div id=‘hidden‘ class=‘hidden‘>hidden element</div>
<div id=‘opacity‘ class=‘opacity‘>opacity element</div>
<form id=‘form‘ class=‘form‘>
<input type=‘text‘ id=‘user‘ />
<input type=‘hidden‘ class=‘hidden‘ value=‘hidden-form-input‘/>
</form>
</body>
</html>
时间： 2024-10-11 16:53:05