What you should know

Functional programming will change the way you think about code

Basic setup

Immutability

Declarative vs. imperative programming

The goal of functional programming

First-class functions

Separation of data and functions

Converting object-oriented to functional code

Installing and setting up ESLint

Ensuring immutability with ESLint

Ensuring immutability Finalize ESLint

JavaScript arrow function syntax

Passing functions as arguments

Using functions as data

Understanding closure

Creating arrays of functions

Returning functions

Tour of CoderPad

Higher-order functions

Solution More higher-order functions

Basics of functional data manipulation

The spread operator

Using the map() function

Using the filter() function

Using the every() and some() functions

Using the sort() function

Preventing mutation with the slice() function

Using the reduce() function

Solution Recreating the map() function

Combining array functions

Recursion

Currying and partial application

Solution Count occurrences

Solution Anagrams

Next steps in your ES6+ journey