此代码当m≠n 时，有问题。暂时还未解决此问题。
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2 <html xmlns="http://www.w3.org/1999/xhtml">
3 <head>
4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
5 <title>?? ??</title>
6 <style type="text/css">
7 table{
8 font:12px arial;
9 color:#565;
10 }
11 th,td {
12 background-color:#dfc;
13 border-bottom:2px solid #b3de94;
14 border-top:3px solid #ffffff;
15 padding:9px;
16 }
17 .on {
18 background-color:#363;
19 color:#fff;
20 }
21 </style>
22
23 </head>
24
25 <body>
26 <table>
27 <tr>
28 <th>NO.</th>
29 <th>Name</th>
30 <th>Age</th>
31 <th>Sex</th>
32 <th>Job</th>
33 <th>Country</th>
34 </tr>
35 <tr>
36 <td>1</td>
37 <td>Amy</td>
38 <td>18</td>
39 <td>Girl</td>
40 <td>student</td>
41 <td>USA</td>
42 </tr>
43 <tr>
44 <td>2</td>
45 <td>Timy</td>
46 <td>20</td>
47 <td>Boy</td>
48 <td>student</td>
49 <td>USA</td>
50 </tr>
51 <tr>
52 <td>3</td>
53 <td>Mike</td>
54 <td>25</td>
55 <td>Boy</td>
56 <td>doctor</td>
57 <td>USA</td>
58 </tr>
59 <tr>
60 <td>4</td>
61 <td>Lily</td>
62 <td>20</td>
63 <td>Girl</td>
64 <td>nurse</td>
65 <td>China</td>
66 </tr>
67 </table>
68 <script type="text/javascript">
69 var rows = Array.prototype.slice.call(document.getElementsByTagName(‘tr‘));
70 var cols = Array.prototype.slice.call(document.getElementsByTagName(‘th‘));
71 var cells = Array.prototype.slice.call(document.getElementsByTagName(‘td‘));
72 var cells_Sum = new Array ();
73 cells_Sum =Array.prototype.slice.call(rows[0].childNodes);
74 document.write(cells_Sum.length+‘<br/>‘);
75 /*for(var i=0;i<rows.length;i++){
76 cells_Sum[i]=rows[i].childNodes;
77 document.write(rows[i].childNodes.innerHTML+‘<br/>‘);
78 }*/
79
80 /*document.write(cells[6].innerHTML+‘<br/>‘);
81
82 for(var i=0;i<rows.length;i++){
83 for(var j=0;j<cols.length;j++) {
84 document.write(cells_Sum[i][j].innerHTML+‘ ‘);
85 }
86 document.write(‘<br/>‘)
87 }*/
88
89 </script>
90 </body>
91 </html>
当m=n 时，可以使用取余的方式。代码略。
时间： 2024-07-30 19:59:36