By the end of this course you'll be able to:

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

What you will learn:

  • 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 much more...

Who is this course for?

  • This course is for everyone who is interested in efficient programming in javascript
  • This course is for you if you want to learn Lodash library deeply


  • A computer on which you can install software (Windows, MacOS, or Linux)
  • Basic knowledge about Javascript

Hi, I’m 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.

Course Curriculum

  Getting started
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  Array and object transformations
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  String transformations
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  Advanced functions
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  Do it yourself
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  Next steps
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Frequently Asked Questions

There are lots of free tutorials out there. Why should I pay for this course?

Free tutorials are free for a reason. They are often short, lacking information or focus only on small topic and once you finish one tutorial, you'll be left in an ocean of free tutorials. You don't know what to read next. By enrolling in this course, you'll be assured that you're on a learning path that I've carefully created for you based on my more than 10 years of programming and teaching experience. You won't waste time jumping from one tutorial to another.

When does the course start and finish?

The course starts now and never ends! It is a completely self-paced online course - you decide when you start and when you finish.

How long do I have access to the course?

How does lifetime access sound? After enrolling, you have unlimited access to this course for as long as you like - across any and all devices you own.

What if I am unhappy with the course?

We would never want you to be unhappy! If you are unsatisfied with your purchase, contact us in the first 30 days and we will give you a full refund.

30-Day Money-Back Guarantee

Try it risk-free

You can ask for a refund any time during the first 30 days

if you decide the course isn’t for you.


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