动态创建表格，删除行列
Java代码
<!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=utf-8" />
<title>无标题文档</title>
<link rel="stylesheet" href="tab.css" />
<script type="text/javascript" src="../Day26/doctool.js"></script>
<script type="text/javascript">
function createTab1()
{
var tabNode = doc.createElement("table");
var tbdNode = doc.createElement("tbody");
var trNode = doc.createElement("tr");
var tdNode = doc.createElement("td");
var textNode = doc.createTextNode("单元格一");
tdNode.appendChild(textNode);
trNode.appendChild(tdNode);
tbdNode.appendChild(trNode);
tabNode.appendChild(tbdNode);
byTag("div")[0].appendChild(tabNode);
}
function createTab()
{
var tabNode = doc.createElement("table");
//tabNode.id = "tabid";
tabNode.setAttribute("id","tabid");
var row = byName("rownum")[0].value;
var col = byName("colnum")[0].value;
for(var x=1; x<=row; x++)
{
var trNode = tabNode.insertRow();
for(var y=1; y<=col; y++)
{
var tdNode = trNode.insertCell();
tdNode.innerHTML = x+"...."+y;
}
}
byTag("div")[0].appendChild(tabNode);
event.srcElement.disabled = true;
}
function delRow()
{
var tabNode = byId("tabid");
if(tabNode==null)
{
alert("表格不存在");
return;
}
var rownum = byName("delrow")[0].value;
if(rownum>0 && rownum<=tabNode.rows.length)
tabNode.deleteRow(rownum-1);
else
{
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