<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>控件cloneNode（）方法的使用</title>
<script language="javascript">
i=1;
function AddRow()
{
var tableObject=new Object();
var isneed=true;
tableObject=document.getElementById("CloneNodeShow");
//判断是否有必要添加新的输入行
for(var j=0;j<tableObject.all.tags("input").length;j++)
{
var inputs = tableObject.all.tags("input")[j];
if(inputs.type=="text" && inputs.value=="")
{
isneed=false;
}
}
if(isneed)
{
//添加一行
var newTR=tableObject.insertRow();
var td0=newTR.insertCell();
var td1=newTR.insertCell();
var td2=newTR.insertCell();
var td3=newTR.insertCell();
td0.innerHTML=(++i)+'.';
td1.innerHTML='<input type="text" name="username"/>';
//true表示深度克隆
var newSelect=document.getElementById("sexType").cloneNode(true);
newSelect.id="sexType"+i;
td2.appendChild(newSelect);
td3.innerHTML='<input type="text" name="age" onchange="AddRow()"/>';
}
}
</script>
</head>
<body>
<form>
<table id="CloneNodeShow" border="2" bordercolor="#000000">
<tr><th></th><th>姓名</th><th>性别</th><th>年龄</th></tr>
<tr id="signTR" >
<td>1.</td>
<td><input type="text" name="username"/></td>
<td>
<select name="sexType" id="sexType">
<option value="%">请选择性别</option>
<option value="0">男</option>
<option value="1">女</option>
</select>
</td>
<td><input type="text" name="age" onchange="AddRow()"/></td>
</tr>
</table>
</form>
</body>
</html>
