JavaScript OOP: Building Custom Classes — PickAClass
⏱ 3h 📚 30 lessons 🎧 Audio version

JavaScript OOP: Building Custom Classes

Learn to design and implement custom JavaScript classes with properties and methods, empowering you to create structured and reusable code.

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  • 🌐 In English
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About this course

Struggling to organize your JavaScript code as projects grow more complex? Object-Oriented Programming (OOP) provides a powerful framework for building scalable and maintainable applications. This course will guide you through the fundamental concepts of OOP in JavaScript, enabling you to design and implement custom classes that bring structure and reusability to your codebases. What you'll learn: * Understand the foundational principles of Object-Oriented Programming (OOP). * Learn to define and instantiate classes using modern JavaScript syntax. * Build custom classes with properties, methods, and constructors. * Apply basic inheritance patterns to extend existing class functionalities. * Develop modular and reusable code structures for better project organization. The course begins with an introduction to OOP concepts, then progressively explores JavaScript's class syntax, guiding you through practical examples and best practices for structuring your code. This course is designed for absolute beginners in JavaScript who want to learn how to write more organized and efficient code. No prior experience with Object-Oriented Programming is required. Enroll now to start mastering JavaScript classes and elevate your coding skills.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • Short & focused
    3h 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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Skills profile · verifiable
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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
JavaScript OOP: Building Custom Classes
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
P
PickAClass — Name Surname
JavaScript OOP: Building Custom Classes
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
Verify this credential
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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Frequently asked

What do I need to take this course? +

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

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

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

How long will I have access? +

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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