js 验证手机号

<script>

    var reg = /^1([38][0-9]|4[579]|5[0-3,5-9]|6[6]|7[0135678]|9[89])\d{8}$/;

    function verifyTel (tel){

          if(reg.test(tel)){

            return true;

          }

          return false;

    }

</script>