首页 > 代码库 > JavaScript获取table中某一列的值的方法

JavaScript获取table中某一列的值的方法

1、实现源码

<!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>JavaScript实现获取table中某一列的值</title> 
  <script type="text/javascript"> 
    function getTdValue(){ 
      var tableId = document.getElementById("tab"); 
      var str = ""; 
      for(var i=1;i<tableId.rows.length;i++) { 
        alert(tableId.rows[i].cells[1].innerHTML); 
      } 
    } 
  </script> 
</head> 

<body style="width:100%; height:100%;"> 
  <table style="width:100%; height:100%;" id="tab" onclick="getTdValue()" border="1" cellpadding="1" cellspacing="1"> 
    <tr style="background-color:#CCC;"> 
      <th>学号</th> 
      <th>姓名</th> 
      <th>性别</th> 
      <th>年龄</th> 
    </tr> 
    <tr> 
      <td>1</td> 
      <td>李斯</td> 
      <td></td> 
      <td>22</td> 
    </tr> 
    <tr> 
      <td>2</td> 
      <td>王倩</td> 
      <td></td> 
      <td>20</td> 
    </tr> 
    <tr> 
      <td>3</td> 
      <td>于谦</td> 
      <td></td> 
      <td>18</td> 
    </tr> 
    <tr> 
      <td>4</td> 
      <td>柳浪</td> 
      <td></td> 
      <td>19</td> 
    </tr> 
    <tr> 
      <td>5</td> 
      <td>诸葛亮</td> 
      <td></td> 
      <td>20</td> 
    </tr> 
    <tr> 
      <td>6</td> 
      <td>东方云</td> 
      <td></td> 
      <td>21</td> 
    </tr> 
    <tr> 
      <td>7</td> 
      <td>公孙策</td> 
      <td></td> 
      <td>22</td> 
    </tr> 
    <tr> 
      <td>8</td> 
      <td>宝清</td> 
      <td></td> 
      <td>23</td> 
    </tr> 
    <tr> 
      <td>9</td> 
      <td>智育</td> 
      <td></td> 
      <td>20</td> 
    </tr> 
    <tr> 
      <td>10</td> 
      <td>柳丝丝</td> 
      <td></td> 
      <td>21</td> 
    </tr> 
  </table> 
</body> 
</html> 

 

JavaScript获取table中某一列的值的方法