HTML-Kodu:
<html>
<HEAD>
<script>
function arttir(deger)
{
document.formname[deger].value++;
}
function azalt(deger)
{
if (document.formname[deger].value > 1)
eval ('document.formname.'+deger+'.value--;');
}
</script>
</HEAD>
<BODY>
<FORM NAME=formname>
<a hreF=# onClick=azalt('kutu');>azalt</a>
<input type=text name=kutu value=1 readonly="readonly">
<a hreF=# onClick=arttir('kutu');>arttır</a>
</form>
</BODY>
</HTML>