单击2个按钮没反应

南瓜饼 2011-05-19 11:27:39

<!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>

...全文

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cb1156 2011-05-19

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如1楼所说，我再解释清楚一点
能够有值提交到后台的元素，才有name属性，可以通过byname得到

乌镇程序员 2011-05-19

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function HiddenTable(){ document.getElementsByTagName('table')[0].style.display = 'none'; }

function ShowTable(){ document.getElementsByTagName('table')[0].style.display = ''; }

zell419 2011-05-19

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表单元素才能写name哦 .
换成var arr=document.getElementsByTagName("td") 试试。

王晓彤 2011-05-19

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var arr=document.getElementsByTagName("td");

张飞不刮胡子 2011-05-19

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$("td[name='Stock2']")

收水了 2011-05-19

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[Quote=引用 1 楼 zell419 的回复:]
表单元素才能写name哦 .
换成var arr=document.getElementsByTagName("td") 试试。
[/Quote]

正解

TianXiaoJunTT 2011-05-19

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<!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=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>

tengfei_yao 2011-05-19

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<html>

<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>