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如何將tbody中指定id的tr移除

undefined tex address text class .get del javascrip remove

如下這個table的主體tbody以及js代碼:

<tbody id="mainbody">
    <tr id="delCell">
      <td>name</td>
      <td>address</td>
   </tr>
</tbody>
<script type="text/javascript">
 function deleteCell(bodyname,cellname){
      var mailbody = document.getElementById(bodyname);
      var cell = document.getElementById(cellname);
      if(cell != undefined){
             mainbody.removeChild(cell);
      } 
 }
</script>

  

如何將tbody中指定id的tr移除