Writing and Reading Files Using NodeJS in NextJS App Router

JavaScript is used on the frontend and backend.

Does the guy’s right hand only have 4 fingers? Source — Bing Image Creator

Frontend: Read files, no writing.

On the frontend, we can read files when the user uploads them, but we can’t write files programmatically — a user would have to initiate a download to write files from a website to their computer. This makes sense from a security stand…