<html>
<head>
????<meta?charset="UTF-8">
????<title>屬性選擇器</title>
????<script?language="JavaScript"?src="jquery.js"?type="text/javascript"></script>
????<script?type="text/javascript">
????????var?t_a=$(".test?:hidden");
????????var?t_b=$(".test:hidden");
????????console.log(t_a);
????????console.log(t_b);
????????var?len_a=t_a.length;
????????var?len_b=t_b.length;
????????console.log(len_a);
????????console.log(len_b);
????</script>
</head>
<body>
????<div?class="test">
????????<div?style="display:none">aa</div>
????????<div?style="display:none">bb</div>
????????<div?style="display:none">cc</div>
????????<div?class="test"?style="display:none">dd</div>
????</div>
????<div?class="test"?style="display:none">ee</div>
????<div?class="test"?style="display:none">ff</div>
</body>
</html>
為什么最后獲取到的length值為0
蓋滄海
2018-08-25 10:33:30
