<html>
<script>
function test()
{
if(document.getElementsByName("w")[0].checked)
{
alert("是");
}
if(document.getElementsByName("w")[1].checked)
{
alert("否");
}
}
</script>
<input type="radio" name="w" value="yes" onclick="test()" />是<input name="w" type="radio" value="no" onclick="test()" />否
<script>
function test()
{
if(document.getElementsByName("w")[0].checked)
{
alert("是");
}
if(document.getElementsByName("w")[1].checked)
{
alert("否");
}
}
</script>
<input type="radio" name="w" value="yes" onclick="test()" />是<input name="w" type="radio" value="no" onclick="test()" />否
<script>
function test()
{
for( var i=0;i<document.getElementsByName("w").length;i++)
{
if(document.getElementsByName("w")[i].checked=checked)
{
return document.getElementsByName("w")[i].id;
}
}
}