Remove Duplicates from Flat Array in with JavaScripts Set Data Structure

In this lesson you will learn how to remove duplicates from the flat array which is a common coding challenge for beginner JavaScript interviews.

We will employ the easiest and one of the fastest duplicate removal methods with the help of Set. Set is a data structure in JavaScript that only allows unique elements to be stored within it. By converting an Array to a Set and then back to an Array you'll see how we can easily filter out duplicates.