JavaScript OOP: Abstract Classes and Inheritance in ES6 — PickAClass
⏱ 2h 48m 📚 28 lessons

JavaScript OOP: Abstract Classes and Inheritance in ES6

Master object-oriented programming in JavaScript by learning how to structure reusable, clean, and maintainable code using ES6 classes and inheritance patterns.

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About this course

As JavaScript applications grow in size and complexity, organizing your code becomes a critical challenge. Understanding how to structure your application using object-oriented principles is the key to writing scalable, maintainable software. This text-based course guides you through the foundational concepts of Object-Oriented Programming (OOP) in JavaScript, focusing on ES6 classes, inheritance, and simulating abstract classes. You will learn how to design robust code architectures, define clear interfaces, and prevent direct instantiation of base classes to enforce structured patterns in your projects. What you'll learn: 1. Understand core OOP concepts including abstraction, encapsulation, polymorphism, and inheritance. 2. Create and configure ES6 classes with constructors, getters, setters, and static methods. 3. Implement robust inheritance hierarchies using the extends and super keywords. 4. Simulate abstract classes in JavaScript to enforce method implementation in subclasses. 5. Apply modern clean code practices, including the use of private class fields for encapsulation. 6. Practice designing real-world class structures through step-by-step written exercises. You will start with the fundamental terminology of object-oriented programming before diving into practical syntax. From there, you will progress to advanced inheritance techniques and modern class features, solidifying your knowledge with structured code walk-throughs. This course is designed for beginner to intermediate JavaScript developers who want to transition from procedural coding to structured object-oriented design. No prior experience with OOP is required. Start reading today to elevate your JavaScript architecture skills and write cleaner, more professional code.

What you'll get

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  • Short & focused
    2h 48m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
JavaScript OOP: Abstract Classes and Inheritance in ES6
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
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PickAClass — Name Surname
JavaScript OOP: Abstract Classes and Inheritance in ES6
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
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pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Just a phone or computer with internet. No installs, no special hardware.

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Yes — full refund within 14 days, no questions asked.

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Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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