Introduction to JavaScript Higher Order Functions: Map & Filter

4m 12s

This practical lesson explores JavaScript Higher Order Functions. A higher order function is a function that takes another function as an argument or returns a function. This lesson explores two built-in JavaScript higher order functions: Map and Filter.

Learning Objectives

  • Learn what is a higher order function
  • Learn about the structure of a higher order function
  • Learn how to use the Map function
  • Learn how to use the Filter Function

Intended Audience

This lesson is intended for anyone who wants to learn about JavaScript Higher Order Functions: Map and Filter.


Anyone with an interest in using the Map and Filter in JavaScript or who wants to improve their knowledge of JavaScript in general.

About the Author
Farish Kashefinejad, opens in a new tab
Full-Stack Development Content Creator
Learning paths

Farish has worked in the EdTech industry for over six years. He is passionate about teaching valuable coding skills to help individuals and enterprises succeed.

Previously, Farish worked at 2U Inc in two concurrent roles. Farish worked as an adjunct instructor for 2U’s full-stack boot camps at UCLA and UCR. Farish also worked as a curriculum engineer for multiple full-stack boot camp programs. As a curriculum engineer, Farish’s role was to create activities, projects, and lesson plans taught in the boot camps used by over 50 University partners. Along with these duties, Farish also created nearly 80 videos for the full-stack blended online program.

Before 2U, Farish worked at Codecademy for over four years, both as a content creator and part of the curriculum experience team.

Farish is an avid powerlifter, sushi lover, and occasional Funko collector.

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