Beginning Object-Oriented Programming in JavaScript — PickAClass
⏱ 3h 📚 30 lessons

Beginning Object-Oriented Programming in JavaScript

Master encapsulation, inheritance, and modern class-based design in JavaScript through clear, step-by-step written explanations and practical coding exercises.

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About this course

Object-oriented programming (OOP) is a foundational paradigm that helps you write clean, modular, and maintainable code. If you want to move beyond basic scripts and build scalable web applications, understanding how to structure your code using objects and classes is an essential next step. This text-based course guides you from the absolute basics of object-oriented thinking to implementing advanced patterns in your code. You will transition from writing disorganized, procedural code to designing reusable software components. By learning how to model real-world concepts into structured code, you will write applications that are easier to debug, extend, and maintain. What you'll learn: - Understand core object-oriented principles including encapsulation, inheritance, polymorphism, and abstraction - Create and configure JavaScript classes using modern ES6+ syntax - Implement private fields and methods to secure internal object states - Use prototype chains and inheritance to share behavior across objects - Apply modern JavaScript features like type hints in documentation and modular code organization - Refactor procedural scripts into clean, object-oriented structures The course begins with foundational definitions of objects, properties, and methods before moving step-by-step into class syntax, inheritance patterns, and modern code organization. Each concept is reinforced with clear code snippets and written exercises designed to build your practical skills. This course is designed for beginner JavaScript developers who know basic variables and loops but want to learn structured software design. No prior experience with object-oriented programming is required. Start reading today to build a solid foundation in modern JavaScript software design.

Course contents

What you'll get

  • 📜 Certificate of completion
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  • 💬 Personal AI tutor
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • ⚡ 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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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Beginning Object-Oriented Programming in JavaScript
Skills demonstrated
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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
Beginning Object-Oriented Programming in JavaScript
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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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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