Working with Files

Question 1

How to read a file and write it into a variable?

Answer 1

import fs from “fs”
let file = fs.readFileSync(“filename”, “utf-8”)

Question 2

What is utf-8?

Answer 2

Unicode Transformation format -8 bits

it is a character encoding format.
many characters are not recognized by ascii like emoji’s and other language characters such as japanese.
utf8 makes sure that it reads any kind of language or symbols.

Question 3

How would you read a file Asynchronously?

Answer 3

using: fs.readFile()

ex:
fs.readFile(“text.txt”, “utf-8”, func(err, content) {
console.log(content)
}