insertRow

 insertRow() 方法
  Definition and Usage
  定义与用法
  The insertRow() method is used to insert a new row in a specified position in a table.
  insertRow()方法可用来往表格中的指定位置上插入新行
  Syntax 语法
  tableObject.insertRow(index)//索引,增添新行
  --------------------------------------------------------------------------------
  Example 举例
  <html>
  <head>
  <script type="text/javascript">
  function insRow()
  {
  document.getElementById('myTable').insertRow(0)//在文档中寻找控件
  }
  </script>
  </head>
  <body>
    <table border="1" cellpadding="0" cellspacing="0">
      <tr>
        <td>Row1 cell1</td>   
        <td>Row1 cell2</td>
      </tr>
      <tr>
        <td>Row2 cell1</td>
        <td>Row2 cell2</td>
      </tr>
    </table>

     <form>//表单内放置控件
  <input type="button" onclick="insRow()"
  value="Insert new row before the first row">//value为控件上将要显示的内容
  </form>
  </body>
  </html>