javascript - Difference between hash() and hashSync() functions of BCrypt package of NodeJs

Question

const bcrypt = require('bcrypt')

const hash = bcrypt.hash(<myPassword>, 12)

const hashSync = bcrypt.hashSync(<myPasword>, 12)

What aspects do they possibly differ in, and Could they be used interchangeably? (Detailed explanation very much welcome and greatly appreciated!)

Answer 1

hashSync is used to Synchronously generates a hash for the given string. It returns the hashed string

hash is used for Asynchronously generating a hash for the given string. It returns promise is callback is committed and you need to resolve the promise.

refer https://www.npmjs.com/package/bcryptjs#hashsyncs-salt