<!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>表格操作</title>  

<style type="text/css">  

body {  

   font-size: 13px;  

   line-height: 25px;  

}  

table {  

    border-top: 1px solid #333;  

    border-bottom: 1px solid #333;  

    width: 300px;  

}  

td {  

    border-right: 1px solid #333;  

    border-bottom: 1px solid #333;  

}  

.title {  

    text-align: center;  

    font-weight: bold;  

    background: #ccc;  

}  

.center {  

    text-align: center;  

}  

#displayInfo {  

    color: red;  

}  

</style>  

<script type="text/javascript">  

   function addRow() { //增加一行  

       var tableObj = document.getElementById('myTable');  

       var rowNums = tableObj.rows.length;  

       var newRow = tableObj.insertRow(rowNums);  

       var col1 = newRow.insertCell(0);  

       col1.innerHTML = "幸福從天而降";  

       var col2 = newRow.insertCell(1);  

       col2.innerHTML = "$18.5";  

       col2.align = "center";  

       var divInfo = document.getElementById('displayInfo');  

       divInfo.innerHTML = "添加商品成功";  

   }  

   function delRow() {  //刪除第二行  

       document.getElementById('myTable').deleteRow(1);  

       var divInfo = document.getElementById('displayInfo');  

       divInfo.innerHTML = "刪除商品成功";  

   }  

   function updateRow() {  //更新行的信息  

       var uRow = document.getElementById('myTable').rows[0];  

       uRow.className = "title";  

   }  

</script>  

</head>  

<body>  

<table border="0" cellpadding="0" cellspacing="0" id="mytable">  

   <tr id="row1">  

       <td>書名</td>  

       <td>價格</td>  

   </tr>  

   <tr id="row2">  

       <td>看得見風(fēng)景的房間</td>  

       <td class="center">$30.00</td>  

   </tr>  

    <tr id="row3">  

       <td>60個瞬間</td>  

       <td class="center">$32.00</td>  

   </tr>  

</table>  

<input name="b1" type="button" value="增加一行" onclick="javascript:addRow();"/><br />  

<input name="b2" type="button" value="刪除第二行" onclick="javascript:delRow();"/><br />  

<input name="b3" type="button" value="修改標題" onclick="javascript:updateRow();"/><br />  

<div id="displayInfo"></div>  

</body>  

</html>