Amazing blank in jQuery
<html>
<head>
<script type="text/javascript" src="jquery-1.6.2.js"></script>
<script type="text/javascript">
$(function()
{
alert($('.test :hidden').length); //read in sequence, first .test then :hidden
alert($('.test:hidden').length); //read simultaneously, .test && :hidden
});
</script>
</head>
<body>
<div class="test">
<div style="display:none">aaa</div>
<div style="display:none">bbb</div>
<div style="display:none">vvv</div>
<div class="test" style="display:none">ddd</div>
</div>
<div style="display:none">eee</div>
<div style="display:none">fff</div>
</body>
</html>
alert($('.test:hidden').length);
It is possible to read this from the end. the hidden and class name test element
本文出自 “笨鸟先飞” 博客
补充：web前端 , JavaScript ,
