What is fetch res => res.json()

Fetch related questions: stackOverflow link

.json() will just return the body as promise with json content.

Then a good read: fetch the document link

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I've been confused before, do both axios and fetch have to use res => res.json()? I understand now

Axios does not need to use res.json at all

Axios related questions: StackOverflow link

Please look carefully in the linkhereLink (I marked it in the picture below)