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<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
function select1()
{
alert(document.form1.radiobutton.value);
总是提示Undefined，这是怎么回事？
//return false;
}
</SCRIPT>
</HEAD>
<BODY>
<form name="form1" method="post">
<table width="760">
<tr>
<td align="right" height="30" width="43%"><input type="radio" name="radiobutton" value="1">1</td>
</tr>
<tr>
<td align="right" height="30"><input type="radio" name="radiobutton" value="2">2</td>
</tr>
<tr>
<td align="right" height="30"><input type="radio" name="radiobutton" value="3">3</td>
</tr>
<tr height="50">
<td align="center"><input type="submit" name="select" class="button" value="Ìá½»" onclick="javascript:select1()">
</td>
</tr>
</table>
</form>
</BODY>
</HTML>
<HEAD>
<TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
function select1()
{
alert(document.form1.radiobutton.value);
总是提示Undefined，这是怎么回事？
//return false;
}
</SCRIPT>
</HEAD>
<BODY>
<form name="form1" method="post">
<table width="760">
<tr>
<td align="right" height="30" width="43%"><input type="radio" name="radiobutton" value="1">1</td>
</tr>
<tr>
<td align="right" height="30"><input type="radio" name="radiobutton" value="2">2</td>
</tr>
<tr>
<td align="right" height="30"><input type="radio" name="radiobutton" value="3">3</td>
</tr>
<tr height="50">
<td align="center"><input type="submit" name="select" class="button" value="Ìá½»" onclick="javascript:select1()">
</td>
</tr>
</table>
</form>
</BODY>
</HTML>
...全文
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mrrdh007 2003-12-05
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ding
mrrdh007 2003-12-04
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ding
sczhoubing 2003-12-04
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(document.form1.radiobutton.value="");
这个没有赋值
我也是初学,只能指到这儿了.:-(
这个没有赋值
我也是初学,只能指到这儿了.:-(
