<input type="button" value="按钮" onClick="test();"
function test()
{
var s=document.from.sex;
for (var i=0;i<s.length;i++)
{
if (s[i].checked)
{
alert(s[i].value);
}
}
}
function test()
{
var s=document.from.sex;
for (var i=0;i<s.length;i++)
{
if (s[i].checked)
{
alert(s[i].value);
}
}
}
<script>
function checkgender(form)
{
var gender="";
if (form.male.checked)
gender=form.male.value;
else
{
gender=form.female.value;
}
alert(gender);
return false;
}
</script>
</head>
<body>
<h2 ALIGN="CENTER">单选按钮演示程序</h2>
<hr><form name=form Action="sample.asp" Method="GET" >
<p>性别:<input Type="Radio" Name="sex" Value="male" id="male" Checked>男 <input Type="Radio"
Name="sex" id="female" Value="female">女</p>
<p><input Type="Submit" Value="提 交"> </p>
<input type="button" value="按钮" onClick="checkgender(this.form);" name="B1"></p>
</form>
</body>
</html>
<script language="javascript">
function B1_onclick()
{
document.form.submit;
alert(document.form.sex.value);
}
</script>