code1

let i;
      var arr = ["true"];
      for (i = 1; i < data.length; i++) {
        ticket
          .findOne({
            where: { id: data[i].ticket_id }
          })
          .then(result => {
            const data1 = result.event_id;
            if (data0 === data1) {
              arr.push("true");
            } else {
              arr.push("false");
            }
            console.log(arr);
          });
      }