Exempel
<script language="JavaScript" type="text/javascript">
radiogroups=200;
function check(obj){
for(n=1;n<=radiogroups;n++){
t=false;
for(nn=0;nn<eval("obj.s"+n+".length");nn++){
if(eval("obj.s"+n+"["+nn+"].checked")) t=true;
}
if(!t){
alert("Ni har ej svarat på alla frågor" );
eval("obj.s"+n+"[0].focus");
return false;
}
}
}
</script>
<form name="form1" action="sida.asp" method="post" onsubmit="return check(this);">
1: <input type="radio" name="s1" value="0"><input type="radio" name="s1" value="1"><input type="radio" name="s1" value="2"><br>
2: <input type="radio" name="s2" value="0"><input type="radio" name="s2" value="1"><input type="radio" name="s2" value="2"><br>
3: <input type="radio" name="s3" value="0"><input type="radio" name="s3" value="1"><input type="radio" name="s3" value="2"><br>
...osv