bannaviiOS) base64 ? blob ? dataurl?

https://inpa.tistory.com/entry/JS-%F0%9F%93%9A-Base64-Blob-ArrayBuffer-File-%EB%8B%A4%EB%A3%A8%EA%B8%B0-%EC%A0%95%EB%A7%90-%EC%9D%B4%ED%95%B4%ED%95%98%EA%B8%B0-%EC%89%BD%EA%B2%8C-%EC%84%A4%EB%AA%85#Base64

[JS] 📚 Base64 / Blob / ArrayBuffer / File 다루기 - 이해하기 쉽게 설명

https://javanitto.tistory.com/36

Data URL ?