�습니다.
      // @docs https://docs.tosspayments.com/sdk/v2/js#토스페이먼츠-초기화
      const clientKey = "test_ck_D5GePWvyJnrK0W0k6q8gLzN97Eoq";
      const customerKey = generateRandomString();
      const tossPayments = TossPayments(clientKey);
      // 회원 결제
      // @docs https://docs.tosspayments.com/sdk/v2/js#tosspaymentspayment
      const payment = tossPayments.payment({
        customerKey,
      });
      // 비회원 결제
      // const payment = tossPayments.payment({cus