Fetch API
[ReadableStream API](https://texonom.com/readablestream-api-bbc00fefd57946df8d71a13dece678bf) 


이전에 이러한 기능을 XMLHttpRequest에서 제공하고 있었습니다. Fetch는 이러한 API의 대체제로 Service Workers같은 기술로 간단히 이용하는것이 가능
- `.data` - readable stream
### Fetch API Notion
|Title|
|:-:|
|[JS Request](https://texonom.com/js-request-625f05520dc84e01bbf477a075ac01e6)|
|[JS Response](https://texonom.com/js-response-59dc294c67b047aca930ff365c548b2d)|
|[AbortController](https://texonom.com/abortcontroller-23d3fd434b9248be8810f5511d0deb95)|


### Fetch API Usages
|Title|
|:-:|
|[Web Headers](https://texonom.com/web-headers-712fa365f6ae45819632756bcd606017)|
|[Fetch Stream](https://texonom.com/fetch-stream-deba9c365d524eec859f8a42df8b0f5a)|
|[ohmyfetch](https://texonom.com/ohmyfetch-9961aaaa7e5f4903b3b9ef634d352d9a)|




> [Async iterators and generators](https://jakearchibald.com/2017/async-iterators-and-generators/#making-streams-iterate)

> [Using Fetch](https://developer.mozilla.org/ko/docs/Web/API/Fetch_API/Fetch%EC%9D%98_%EC%82%AC%EC%9A%A9%EB%B2%95)

> [axios vs fetch - no-cors mode... · Issue #1358 · axios/axios](https://github.com/axios/axios/issues/1358)

> [fetch사용시 유의 사항 (json() 함수 사용하기)](https://wooooooak.github.io/javascript/2018/11/25/fetch&json()/)





