https://docs.iamport.kr/prepare

https://docs.iamport.kr/sdk/javascript-sdk?lang=ko#request_pay

아임포트 사용을 위해서는 jquery를 설치해야함

https://www.npmjs.com/package/jquery
https://github.com/iamport/iamport-react-example (설치해야하는 이유)

index.html에 script 추가

https://github.com/iamport/iamport-react-example

 <!-- jQuery -->
  <script type="text/javascript" src="https://code.jquery.com/jquery-1.12.4.min.js" ></script>
  <!-- iamport.payment.js -->
  <script type="text/javascript" src="https://cdn.iamport.kr/js/iamport.payment-1.1.8.js"></script>

https://velog.io/@hyseoseo/TIL16-React-Typescript-%EC%95%84%EC%9E%84%ED%8F%AC%ED%8A%B8-%EA%B2%B0%EC%A0%9C-%EC%9A%94%EC%B2%AD