Reduce Data with Javascript Array#reduce

Most examples for reduce show you how to take an array of numbers and reduce them to a simple sum. Reduce is a great tool for this, but it can do so much more. It is a powerful tool, and essential to functional programming techniques.

This course will dig deep into the Array#reduce in JavaScript and give you a solid understanding to start using it today.

Course Content

Transform an Array into a Single Value using Reduce

Reduce an Array into a Single Object

Use Reduce to Filter and Map over Large Datasets

Use the Optional Reduce Arguments

Avoid Common Mistakes when Working with Reduce

Learn to Flatten and Flatmap Arrays with Reduce

Compose Functions with Reduce

Safely inspect nested objects with Reduce