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>