句给下面 的加超连接

如何用js语句给下面 <table>的 <tr id="t3"> <td>333 </td> </tr> 做一个超链接

如 <table>
  <tr id="t1"> <td>111 </td> </tr>
  <tr id="t3"> <td>333 </td> </tr>
  </table>

就是用js 给333写一个超链接.谢谢

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
   
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
   
<title>test</title>
</head>
<body>
   
<div>
       
<table>
           
<tr id="t1">
               
<td>
                    111
               
</td>
           
</tr>
           
<tr id="t3">
               
<td>
                    333
               
</td>
           
</tr>
       
</table>
   
</div>
</body>
</html>

<script type="text/javascript">
   
var tbl = document.getElementsByTagName('table')[0];
   
var cellText = tbl.rows[1].cells[0].innerHTML;
    tbl.rows[
1].cells[0].innerHTML = '';
   
var aobj = document.createElement('a');
    aobj.setAttribute(
'href', 'http://blog.csdn.net/avon520');
    aobj.setAttribute(
'target', '_blank');
    aobj.appendChild(document.createTextNode(cellText));
    tbl.rows[
1].cells[0].appendChild(aobj);  
   
</script>

huo

var tr = document.getElementById('t3');
tr.innerHTML
= tr.innerHTML.replace(/<td>(.+)</td>/, '<td><a href="http://g.cn">$1</a></td>');

原文地址:https://www.cnblogs.com/y0umer/p/3839552.html