<!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" />
<head><title>
无标题页
</title>
<script language="javascript">
function HiddenTable(){
var arr=document.getElementsByName("Stock2");
alert(arr.length);
for(var i=0;i<arr.length;i++)
arr[i].style.display="none";
}
function ShowTable(){
var arr=document.getElementsByName("Stock2");
alert(arr.length);
for(var i=0;i<arr.length;i++)
arr[i].style.display="block";
}
</script>
<style type="text/css">
.hid{ display:none;
}
</style>
</head>
<body>
<form name="form1" method="post" id="form1">
<div>
<table border="1" cellspacing="0" cellpadding="0">
<tr>
<td name="Stock1">公司1</td><td name="Stock2" class="hid">公司2</td> </tr>
<tr>
<td name="Stock1">1</td><td name="Stock2" class="hid">1</td>
</tr>
<tr>
<td name="Stock1">1</td><td name="Stock2" class="hid">1</td>
</tr>
</table>
</div>
</br>
<input name="" type="button" onclick="HiddenTable()" value="隐藏" />
<input type="button" onclick="ShowTable()" value="显示" />
</form>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<head><title>
无标题页
</title>
<script language="javascript">
function HiddenTable(){
var arr=document.getElementsByName("Stock2");
alert(arr.length);
for(var i=0;i<arr.length;i++)
arr[i].style.display="none";
}
function ShowTable(){
var arr=document.getElementsByName("Stock2");
alert(arr.length);
for(var i=0;i<arr.length;i++)
arr[i].style.display="block";
}
</script>
<style type="text/css">
.hid{ display:none;
}
</style>
</head>
<body>
<form name="form1" method="post" id="form1">
<div>
<table border="1" cellspacing="0" cellpadding="0">
<tr>
<td name="Stock1">公司1</td><td name="Stock2" class="hid">公司2</td> </tr>
<tr>
<td name="Stock1">1</td><td name="Stock2" class="hid">1</td>
</tr>
<tr>
<td name="Stock1">1</td><td name="Stock2" class="hid">1</td>
</tr>
</table>
</div>
</br>
<input name="" type="button" onclick="HiddenTable()" value="隐藏" />
<input type="button" onclick="ShowTable()" value="显示" />
</form>
</body>
</html>
换成var arr=document.getElementsByTagName("td") 试试 。
function ShowTable(){ document.getElementsByTagName('table')[0].style.display = ''; }
能够有值提交到后台的元素,才有name属性,可以通过byname得到
<head>
<head><title>
无标题页
</title>
<script language="javascript">
function HiddenTable(){ document.getElementsByTagName('table')[0].style.display = 'none'; }
function ShowTable(){ document.getElementsByTagName('table')[0].style.display = ''; }
</script>
<style type="text/css">
.hid{ display:none;
}
</style>
</head>
<body>
<form name="form1" method="post" id="form1">
<div>
<table border="1" cellspacing="0" cellpadding="0">
<tr>
<td name="Stock1">公司1</td><td name="Stock2" class="hid">公司2</td> </tr>
<tr>
<td name="Stock1">1</td><td name="Stock2" class="hid">1</td>
</tr>
<tr>
<td name="Stock1">1</td><td name="Stock2" class="hid">1</td>
</tr>
</table>
</div>
</br>
<input name="" type="button" onclick="HiddenTable()" value="隐藏" />
<input type="button" onclick="ShowTable()" value="显示" />
</form>
</body>
</html>你试试看看……
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<head><title>
无标题页
</title>
<script language="javascript">
function HiddenTable(){
var arr=document.getElementsByName("Stock2");
alert(arr.length);
for(var i=0;i<arr.length;i++)
arr[i].style.display="none";
}
function ShowTable(){
var arr=document.getElementsByName("Stock2");
alert(arr.length);
for(var i=0;i<arr.length;i++)
arr[i].style.display="block";
}
</script>
<style type="text/css">
.hid{ display:none;
}
</style>
</head>
<body>
<form name="form1" method="post" id="form1">
<div>
<table border="1" cellspacing="0" cellpadding="0">
<tr>
<td name="Stock1">公司1</td><td id="Stock2" class="hid">公司2</td> </tr>
<tr>
<td name="Stock1">1</td><td id="Stock2" class="hid">1</td>
</tr>
<tr>
<td name="Stock1">1</td><td id="Stock2" class="hid">1</td>
</tr>
</table>
</div>
</br>
<input name="" type="button" onclick="HiddenTable()" value="隐藏" />
<input type="button" onclick="ShowTable()" value="显示" />
</form>
</body>
</html>