I need to know file reader in js

Answer 1

Do you mean this:
https://developer.mozilla.org/en-US/docs/Web/API/FileReader
This is good documentation to check

Answer 2

In Node.js
https://code.sololearn.com/cDn51T4GK9Lq/?ref=app
https://code.sololearn.com/cJQ5etmc4LIe/?ref=app

Answer 3

https://www.javascripttutorial.net/web-apis/javascript-filereader/

Answer 4

Ok thanks
I need Explanation of how to use it

Answer 5

Not working

Answer 6

I need pure js