JS为table动态增加行
<script language="javascript" type="text/javascript"> function insRow() { var x = document.getElementById('abcd').insertRow(1) var a = x.insertCell(0) var b = x.insertCell(1) } <table border="1" runat="server" id="abcd"> <tr > <td> <input type="button" onclick="insRow()" value="插入行"> </td> <td colSpan=2>8</td> <td colSpan=2>9</td> <td colSpan=2>10</td> <td colSpan=2>11</td> <td colSpan=2>12</td> <td colSpan=2>13</td> <td colSpan=2>14</td> <td colSpan=2>15</td> <td colSpan=2>16</td> <td colSpan=2>17</td> <td colSpan=2>18</td> <td colSpan=2>19</td> <td colSpan=2>20</td> </tr> <tr> <td></td> <TD>