Functional Programming

Functional Programming Concepts

1. What is functional programming?

• a programming paradigm treats computation as the evaluation of mathematical functions and avoids changing-state and mutable data

1. What is a pure function and how do we know if something is a pure function?

• it returns the same result by given the same arguments
• it doesn’t cause any observable side effects

1. What are the benefits of a pure function?

• only accessing parameters passed to the function that returns the same result based on the parameters

1. What is immutability?

• unchanging over time or unable to be changed

1. What is Referential transparency?

• a function consistently yields the same result for the same input

Node JS Tutorial for Beginners #6 - Modules and require()

1. What is a module?

• another JavaScript file

1. What does the word ‘require’ do?

• used to load and cache JavaScript modules

1. How do we bring another module into the file the we are working in?

• use require(path to the module)

1. What do we have to do to make a module available?

• module.exports = module;

more on Functional Programming Concepts

more on Modules

<==Back