30 Days Of JavaScript

Day 5: Functions Part 1

Lesson 0: Intro

Today we look at one of the most useful and powerful concepts in programming: Functions.

Functions allow us to take a block of code and reuse it anywhere we need it

Today you will unlock part of the true super powers of programming, you can write a block of useful code once and use it time and time again without having to rewrite the whole block again.

We will cover:

  • What Are Functions?
  • Why Use Functions?
  • No Input, No Return
  • Input, No Return
  • Input, Return
  • Multiple Inputs
  • Multiple Returns

This might not mean much to you right now but by the end of the day it will all make sense.


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