js怎么删除行？

Question

<table id="tab01">
  <tr>
     <td>   </td>
  </tr>
  <tr>
     <td>   </td>            //如果我要删除这一行，怎么做呢？
  </tr></table>

Answer 1

<script type="text/javascript">
function deleteRow (tableID, rowIndex) {
var table =document.all[tableID].deleteRow(rowIndex);
} 
</script><table id=mxh border=1>
<tr><td>第1行</td><td onclick="deleteRow('mxh',this.parentElement.rowIndex)">删除本行</td></tr>
<tr><td>第2行</td><td onclick="deleteRow('mxh',this.parentElement.rowIndex)">删除本行</td></tr>
<tr><td>第3行</td><td onclick="deleteRow('mxh',this.parentElement.rowIndex)">删除本行</td></tr>
<tr><td>第4行</td><td onclick="deleteRow('mxh',this.parentElement.rowIndex)">删除本行</td></tr>
</table>

Answer 2

调用deleteRow 时，传入指定的rowIndex即可

Answer 3

那如何获取rowIndex呢？
比如一个表格中有10行3列，我要删除最后一行，如何操作呢？js菜鸟……

Answer 4

<table id="tab">
    <tr>
        <td>11</td>
        <td>22</td>
        <td><input type="button" value="deleteRow" onclick="deleteRow(this)"></td>
    </tr>
    <tr>
        <td>11</td>
        <td>22</td>
        <td>33</td>
    </tr><tr>
        <td>11</td>
        <td>22</td>
        <td>33</td>
    </tr>
    <tr>
        <td>11</td>
        <td>22</td>
        <td>33</td>
    </tr>
</table>
<script type="text/javascript">
    function deleteRow(index){
        var index = index.parentNode.parentNode.rowIndex;
        var tab = document.getElementById('tab');
        tab.deleteRow(index);
    }
</script>