<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title> New Document </title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
</head>
<body>
<table id="tab" border="1">
<tr>
<td>一</td>
<td>二</td>
<td>三</td>
<td>四</td>
<td>操作</td>
</tr>
<tr>
<td>aaa</td>
<td>bbb</td>
<td>ccc</td>
<td>ddd</td>
<td><a href="">删除</a></td>
</tr>
</table>
<input type="submit" value="增加" onclick="addNew()">
</body>
<script language="JavaScript">
<!--
var LEN=document.getElementById("tab").getElementsByTagName("tr").length;
function addNew(){
var tab=document.getElementById("tab");
var tr=tab.insertRow();
LEN+=1;
tr.id="tr"+LEN;
for(var i=0;i<4;i++){
var td=tr.insertCell();
td.innerHTML="<input type='text'>";
}
var td=tr.insertCell();
td.innerHTML="<a href=/"javascript:delRow('"+LEN+"')/">删除</a>";
}
function delRow(id){
var tab=document.getElementById("tab");
var trs=tab.getElementsByTagName("tr");
var index=0;
for(var i=0;i<trs.length;i++){
if(trs[i].id=="tr"+id){
index=i;
break;
}
}
//alert(index);
tab.deleteRow(index);
}
//-->
</script>
</html>
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