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Learning Functional Javascript with Ramda (Udemy.com)

Learn Functional programming and Ramda to write simple and reusable Javascript using currying, composition & much more

Created by: Oleksandr Kocherhin

Last updated June 2025

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What you will learn

  • Fully understand functional way of programming
  • Write elegant and reusable code in javascript
  • Use Ramda library fluently

How it compares

Against the other 239 rated Udemy courses in JavaScript on CourseDuck:

  • Rating4.5 out of 5higher than 53% of them
  • Reviews193#162 of 240 by number of reviews
  • Length2 hoursshorter than 82% of them
  • Last updatedJune 2025more recently than 80% of them

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Course Description

This course is about functional javascript with using such a popular library as Ramda. Functional javascript becomes very popular nowadays because code which is written with small, pure functions is easier to support, reuse, improve and test. But getting deep in functional worlds is not an easy task. Thats why
I created this course to share my experience with you. I am a huge fan of function programming and I created a lot of business project using functional javascript. Ramda as a library gives an opportunity to write elegant and simple code, but it takes a lot of effort to learn all Ramda functions by yourself and get used to then.

In this course we will start from scratch in learning such important part of functional programming as currying and composition and then we will have a deep dive into Ramda world.

What you will learn in this course:

  • Closures in javascript
  • How to write functional javascript with Ramda
  • Currying in javascript
  • Composition in javascript
  • Writing conditions with Ramda
  • Get deeply nested properties safely
  • Lenses in Ramda
  • Grouping and sorting in Ramda
  • Converge and UseWith in Ramda
  • Simplifying predicates with Ramda
  • And much more...

If you are feeling like you want a deep dive into functional javascript to improve the quality of your code than this course is for you.

This course is for everyone who is interested in functional programming in javascript

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Instructor Details

Oleksandr Kocherhin

I am a full-stack developer with a passion for learning and teaching what I know. I have been programming for around 10 years and teaching for almost 6 years.

I believe in learning through doing and this philosophy is present in every course that I teach. I love exploring new web & mobile technologies and my courses focus on giving you the edge in our fast-moving industry.

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Reviews

4.5

193 ratings on Udemy

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By Anonymized User on 4/5/2023

It was a nice course, it teaches us the advantages of using Ramda for functional Javascript, maybe it would be interesting to have more practice exercise but still enjoyed it

By Enrique García Sáez on 1/3/2023

Muy buena elección teniendo el descuento de la compra. El ritmo de explicación no es ni muy rápido ni muy lento, los ejemplos son útiles y pertinentes e ilustran perfectamente cómo transformar código habitual hacia un estilo mucho más legible y entendible con Ramda.

By Oleg Alexander on 11/12/2021

Good intro course to Ramda. The code examples are clear and I learned a lot. However, I wish the course was much longer and went into more advanced functions like unfold. This course leaves you wanting more. I hope the instructor will create a "Part 2" of this course.

By Edward Casanova on 10/10/2020

Not a course for beginners nor intermediates and probably would have been a lot better with many more examples. However...straight to the point laying the foundation to understand the library

By William Steinberg on 6/22/2020

I took the other Ramda course first, and this one was much better as a teaching tool, and covered much more.

By Alexandre Leduc on 3/9/2020

If this were YouTube, I would have been clicking the Like button on every video. This covers a lot of ground very well. As someone who codes mainly in Javascript + React I have been looking at various compile-to-JS languages to learn more about Functional programming, and regardless of if I end up using Rambda or something like ReasonML, this 2 hour course will have been worth my time.

By Trackmatic Solutions on 10/29/2019

This was a good course. Enjoyed the explanations with counter-examples of what was trying to be portrayed. I do still think that Ramda as a whole would need a lot of practical work, hence I think certain exercises should have been given.

By Jorge on 7/14/2019

Great explanations of the most important functions, as well as an easy way to follow imperative logic into Ramda functional programming

By Elliot Fielstein on 1/9/2019

Excellent course!. Very well organized and well presented. What I liked most was the approach of presenting an example in javascript and then converting to Ramba step by step. Especially useful was how the conversion to Ramba was done in mini-steps, each one very clearly explained. Too often, tutorials on using Ramba show the javascript example and then the fully written Ramba conversion. This approach leaves a big gap in understanding why the particular Ramba functions were chosen and what were the steps used when combining them. I will certainly look for any future courses offered by this instructor.

By Andy Eccleston on 4/12/2018

This is a really great introduction to Ramda and functional javascript. I really appreciate the time the instructor took to write the code out in plain javascript before showing how the code would look in Ramda. It really took the mystery out of the library. Great course, great introduction. I'm currently replacing lodash in a project with Ramda. Once you understand the basics, its amazing how easy it is to write and reason about fairly complex functions. Another huge advantage of Ramda is how easy it is to refactor functions. It takes a bit to learn the concepts but the payoff is worth it. Thanks for the great course.

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Overall Score : 90 / 100