日期:2014-05-16 浏览次数:20468 次
<html>
<body>
<table id = "tab1" border = 1>
<tr>
<td><input type="text" /></td>
<td>b</td>
<td>c</td>
<td>d</td>
<td>e</td>
</tr>
<tr>
<td><input type="text" /></td>
<td>b</td>
<td>c</td>
<td>d</td>
<td>e</td>
</tr>
</table>
<button onClick="addRow()">添加行</button> <button onClick="deleteRow()">删除行</button>
<script type="text/javascript">
function addRow()
{
var theTable = document.getElementById("tab1");
newrow = theTable.lastChild.cloneNode(true); //复制最后一行
theTable.appendChild(newrow); //插入
}
function deleteRow()
{
var theTable = document.getElementById("tab1");
var totalRow = theTable.childNodes.length;
if (navigator.userAgent.indexOf("MSIE") == -1 ) //如果不是ie 总行数减1
totalColume = totalRow-1;
if (totalColume > 1 )
{
// alert(totalRowume);
theTable.removeChild(theTable.lastChild);
}
}
</script>
</html>