Home>Courses>Functional Programming Patterns With RamdaJS!

Functional Programming Patterns With RamdaJS!

Discover functional programming patterns with RamdaJS. Learn about pure functions, currying, and point-free style while deepening your knowledge of map, filter, and reduce methods.

Beginner

52 Lessons

Certificate of Completion

Discover functional programming patterns with RamdaJS. Learn about pure functions, currying, and point-free style while deepening your knowledge of map, filter, and reduce methods.

AI-POWERED

Explanations

AI-POWERED

Explanations

This course includes

136 Playgrounds

11 Challenges

Course Overview

Course Content

Course Overview

We know the functional programming (FP) hype train's been riding strong the past few years, especially in the JavaScript community. We extol FP in countless books, videos, and blog posts, with no sign of slowing down. As a result this course isn't to convince you, today's JS developer, of how awesome FP is. I'm simply sharing some popular patterns using Ramda, an FP library that I've blogged on many times. Before going through them, though, we will lay the groundwork with concepts like pure functions, cur...Show More

We know the functional programming (FP) hype train's been riding strong the past few years, especially in the JavaScript communi...Show More

Course Content

Introduction

3 Lessons

Get familiar with RamdaJS, its FP principles, and integrated learning with seamless code interaction.

Who This Course Is For

Everything's Right Here

Ramda vs. Lodash and Underscore

Pure Functions

3 Lessons

Walk through the principles of pure functions, their benefits, and techniques for maintaining purity.

The Checklist

Purification Exercises

Solution Review

Higher-Order Functions

2 Lessons

Break apart the concept of higher-order functions for flexible and declarative JavaScript programming.

First-Class Citizen

Why They're Nice

Function Composition

3 Lessons

Break down complex ideas of function composition, modular functions, and RamdaJS enhancements.

Lesson + Exercises

Solution Review

Adding Ramda

Currying

2 Lessons

Map out the steps for currying, enhancing code reuse and applying point-free style.

FP's Secret Sauce

Spicy Exercises

Pipe and Compose

3 Lessons

Tackle function composition using pipe, compose, and the debugging aid of tap.

Pipe

Compose

Inspecting With Tap

Sorting

2 Lessons

Master the steps to efficiently sort data using non-destructive methods and customizable comparators.

Sort Functions

Comparators

Conditional Logic

3 Lessons

Step through Ramda's powerful conditional functions: ifElse, when/unless, and cond.

ifElse

when/unless

cond

Using What We've Learned

10 Lessons

Get started with practical exercises to master RamdaJS's functional programming techniques.

Total Cart Price: Exercise

Total Cart Price: Solution Review

Cheapest Item: Exercise

Cheapest Item: Solution Review

Bang for Your Buck: Exercise

Bang for Your Buck: Solution Review

Median Paycheck: Exercise

Median Paycheck: Solution Review

Rating Credit Scores: Exercise

Rating Credit Scores: Solution Review

10.

Functors

2 Lessons

Examine functors as containers with map methods for transforming values immutably.

What Are They?

How Ramda Uses Them

11.

Lenses

5 Lessons

Find out about manipulating data structures precisely using lenses in RamdaJS.

Use With Objects

Use With Arrays

Longhand Lenses

Lenses Under the Hood

Composing Lenses

12.

Lenses Exercises

4 Lessons

Solve problems in applying RamdaJS lenses to extract and transform data effectively.

Get the Flavors: Exercise

Get the Flavors: Solution Review

Fix the Flavors: Exercise

Fix the Flavors: Solution Review

13.

Building a Wikipedia Search

8 Lessons

Follow the process of building a functional Wikipedia search interface using RamdaJS' tools.

What We're Building

Getting Started

Getting the Input Value

Getting the Wikipedia URL

Making the AJAX Request

Making a Results Component

Removing Those Weird Commas

Fixing a Little Bug

14.

Closing Comments

2 Lessons

Build on using Ramda for functional programming in JavaScript and explore advanced concepts.

That's All!

Contact Me

Course Author

Yazeed Bzadough

Trusted by 2.5 million developers working at companies

"These are high-quality courses. Trust me. I own around 10 and the price is worth it for the content quality. EducativeInc came at the right time in my career. I'm understanding topics better than with any book or online video tutorial I've done. Truly made for developers. Thanks"

Anthony Walker

@_webarchitect_

"Just finished my first full #ML course: Machine learning for Software Engineers from Educative, Inc. ... Highly recommend!"

Evan Dunbar

ML Engineer

"You guys are the gold standard of crash-courses... Narrow enough that it doesn't need years of study or a full blown book to get the gist, but broad enough that an afternoon of Googling doesn't cut it."

Carlos Matias La Borde

Software Developer

"I spend my days and nights on Educative. It is indispensable. It is such a unique and reader-friendly site"

Souvik Kundu

Front-end Developer

"Your courses are simply awesome, the depth they go into and the breadth of coverage is so good that I don't have to refer to 10 different websites looking for interview topics and content."

Vinay Krishnaiah

Software Developer

"I've tried probably 5-7 different sites and Educative is easily the best. It perfectly blends explanation with interactivity"

Eric Downs

Musician/Entrepeneur

Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Instant Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

AI-Powered Mock Interviews

Put your skills to the test in a simulated interview setting. Receive personalized feedback based on your performance. Available in Premium & Premium Plus plans.

Adaptive Learning

At various checkpoints throughout Educative courses, you will be prompted to take a quick assessment. Receive a condensed curriculum tailored to your strengths and skill gaps.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!

Free Resources