anchor.diff:          $("select[name=customerList]").val(data.id);
           $("input[name=id]").val(data.id);
           $("#cust-no").text(data.id);
  -        $("#total").text($("select[name=customerList] option").size());
  +        $("#total").text($("select[name=customerList] option").length);
           $("#total").fadeIn(200);
         } else {
           $("select[name=customerList] option[value=" + data.id + "]").text("#" + data.id + ". " + data.name);
  
positive.code:   $("input[name=name]").val("");
    $("input[name=age]").val("");
    $("input[name=approvalStatus]").attr("checked", false);
    $("#total").text($("select[name=customerList] option").size());
    $("#cust-no").text("-");
    $("input.is-invalid-input").removeClass("is-invalid-input");
  }
  
negative.code:   if($("input[name=age]").val() == "") {
      $("input[name=age]").addClass("is-invalid-input");
    }
    if($("input.is-invalid-input").length > 0) {
      return;
    }
    var type, url;
  