<!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= "mytable" border= "1 " cellspacing= "0 " cellpadding= "0 ">
<tr> <td> 11 </td> <td> 12 </td> <td> 13 </td> </tr>
<tr> <td> 21 </td> <td> 22 </td> <td> 23 </td> </tr>
<tr> <td> 31 </td> <td> 32 </td> <td> 33 </td> </tr>
<tr> <td> 41 </td> <td> 42 </td> <td> 43 </td> </tr>
</table>
<INPUT TYPE="button" VALUE="addColumn" ONCLICK="removeColumn()">
</BODY>
<SCRIPT LANGUAGE="JavaScript">
<!--
//添加列
function addColumn()
{
var rows = document.all("mytable").rows;
for (var i=0; i < rows.length; i++)
{
var cells = rows[i].cells;
var sum = 0.0;
for (var j=0; j < cells.length; j++)
{
var txt = cells[j].innerText;
if (!isNaN(txt))
sum += parseFloat(txt);
}
var cell = rows[i].insertCell();
cell.innerText = sum;
}
}
//刪除列
function removeColumn()
{
var num=1;
var rows = document.all("mytable").rows;
for (var i=0; i < rows.length; i++)
{
var cells = rows[i].cells;
for (var j=0; j < cells.length; j++)
{
if(j+1==num)
{
cells[j].removeNode();
}
}
}
}
//-->
</SCRIPT>
</HTML>
<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= "mytable" border= "1 " cellspacing= "0 " cellpadding= "0 ">
<tr> <td> 11 </td> <td> 12 </td> <td> 13 </td> </tr>
<tr> <td> 21 </td> <td> 22 </td> <td> 23 </td> </tr>
<tr> <td> 31 </td> <td> 32 </td> <td> 33 </td> </tr>
<tr> <td> 41 </td> <td> 42 </td> <td> 43 </td> </tr>
</table>
<INPUT TYPE="button" VALUE="addColumn" ONCLICK="removeColumn()">
</BODY>
<SCRIPT LANGUAGE="JavaScript">
<!--
//添加列
function addColumn()
{
var rows = document.all("mytable").rows;
for (var i=0; i < rows.length; i++)
{
var cells = rows[i].cells;
var sum = 0.0;
for (var j=0; j < cells.length; j++)
{
var txt = cells[j].innerText;
if (!isNaN(txt))
sum += parseFloat(txt);
}
var cell = rows[i].insertCell();
cell.innerText = sum;
}
}
//刪除列
function removeColumn()
{
var num=1;
var rows = document.all("mytable").rows;
for (var i=0; i < rows.length; i++)
{
var cells = rows[i].cells;
for (var j=0; j < cells.length; j++)
{
if(j+1==num)
{
cells[j].removeNode();
}
}
}
}
//-->
</SCRIPT>
</HTML>