<script type="text/javascript"> var s='djh.doiwe.esd.d.ddd0sdd.d.'; var n=(s.split('.')).length-1; document.write(n); </script>
结果:6
<script type="text/javascript"> var s='djh.doiwe.esd.d.ddd0sdd.d.'; var n=(s.split('.')).length-1; document.write(n); </script>
结果:6