$("table tr:hidden")
$("table tr:visible")
1 <html>
2 <head>
3 <meta http-equiv="content-type" content="text/html; charset=UTF-8">
4 <script type="text/javascript" src="../js/jquery-1.8.2.js"></script>
5 </head>
6 <body>
7 <table border="1" align="center">
8 <tr style="display:none">
9 <td>Value 1</td>
10 </tr>
11 <tr>
12 <td>Value 2</td>
13 </tr>
14 <tr>
15 <td>Value 3</td>
16 </tr>
17 </table>
18 <script type="text/javascript">
19 /*1)查找隐藏的tr元素的个数
20 */
21 alert( $("table tr:hidden").size() );
22
23 /*2)查找所有可见的tr元素的个数
24 alert( $("table tr:not(:hidden)").size() );
25 alert( $("table tr:visible").size() );
26 alert( $("tr:visible").size() );
27 */
28
29 </script>
30 </body>
31 </html>
可见性选器
时间： 2024-10-18 01:32:33