Using Array.reduce to transform data

The map method is great for creating data that maps directly to elements from an existing array. However, sometimes, the desired result takes on a different shape. To do this, we can use the reduce method to accumulate values into a new form.

In this recipe, we'll take a look at how to use the reduce method to transform data.

Getting ready

This recipe assumes that you already have a workspace that allows you to create and run ES modules in your browser. If you don't, refer to the first two chapters.

How to do it...

1. Open your...