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Lodash - The Complete Guide (Udemy.com)

A full guide to learn Lodash from scratch. Learn functional Javascript in fast and efficient way!

Created by: Oleksandr Kocherhin

Last updated February 2026

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What you will learn

  • Use Lodash library fluently
  • Write elegant and reusable code in functional way
  • Fully understand data transformations

How it compares

Against the other 815 rated Udemy courses in Web Development on CourseDuck:

  • Rating4.4 out of 5higher than 33% of them
  • Reviews201#465 of 816 by number of reviews
  • Length3.7 hoursshorter than 72% of them
  • Last updatedFebruary 2026more recently than 75% of them

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Course Description

This course is about writing javascript in functional way with using such a popular library as Lodash. Javascript doesn't have enough functions to cover all our needs so Lodash helps us to write efficient and cross-browser code. The code is written with small, pure functions is easy to support, reuse, improve and test.

But it's not an easy task because the amount of function in lodash is huge and they cover lot's of different use cases. It's important to understand its principles, the most needed functions and how we can combine and reuse them. The course will help you to learn Lodash step by step from the very beginning to professional developer.

We won't simply go through all functions or learn the documentation. There are lots of quizzes from real usecases for you to try using Lodash on you own and compare your results with my solution.

What you will learn in this course:

  • Array and object transformations

  • Grouping and sorting

  • Composing functions

  • Working with string and arrays

  • Cloning and assigning properties

  • Checking the types

  • Debounce and throttle

  • Extending lodash with own functions

  • And much more...

If you are feeling like you want a deep dive into efficient javascript to improve the quality and scalability of your code then this course is for you.

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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

4.4

201 ratings on Udemy

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By Aakash Shah on 10/30/2023

I've been using Lodash for quite sometime and I was unaware of many utils such as chain, head, tail, last, first, initial, reject, etc. Also, the reasons for using Lodash about having functionality cross-browser makes me understand the importance of using it. Other reasons are simplicity, its declarative approach, and so many utilities for programming. Thank you Oleksander for sharing your knowledge.

By Wajeed Ali on 1/9/2023

I like the most of the content and explanation most importantly that penultimate section (Do it yourself).

By Sergey Muratov on 3/2/2022

Exercises from sections 5 and 6 are very usefull. But they don't cover even 50% of functions discussed in section 1-4.

By Artem Nedostup on 12/10/2021

Good thorough explanations, comparisons with vanilla JS, use cases and recommendations! Дякую за гарний матеріал!

By Stefan Krause on 5/15/2021

The course is quite good, but I found it pretty monotonously. Some advanced features like _.transform are missing.

By luke ma on 12/25/2020

concepts are very well explained, although the course looks a bit out dated, but there is still alot of valuable gems from this course.

By Terry Davis on 10/5/2020

The first topic was a little rough. Took me some time to catch up to the instructor (i.e., getting VS Code folder populated with necessary files). An explanation of what he was going to do would have been helpful. Very informational However, I loved the webpack discussion. It was my time getting an explanation of webpack. Would have loved to see the answer to the homework

By Alexandru Boboc on 4/16/2020

The author is explaining everything really nice and easy to understand. Great course to introduce you to lodash.

By Алексей on 1/7/2020

It's ok, but mostly I bought this course to know methods like curry, defer, memoize etc. Which were not mentioned in this course.

By Patrick Gibbons on 12/20/2019

Use Parcel instead of Webpack for the setup video, it's a much nicer developer experience

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Overall Score : 88 / 100