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Refactoring: Array.prototype by example [filter, some, forEach]


Refactoring is a great opportunity to learn and we have an existing Javascript function that is lengthy, hard to understand, and overcomplicated. We'll take a look at putting some of Javascript's built in Array.prototype methods to use to help us clean this up and learn by example through refactoring.

By taking a few minutes to refactor this existing code, we can get a glimpse at how we can harness the power of the Array and lean on some built in Array functions available to us in Javascript's core without any added utility libraries.

In this lesson we touch on just a few of the Array methods: