JavaScript Objects, Classes, and Prototypical Inheritance — PickAClass
⏱ 2h 54m 📚 29 lessons 🎧 Audio version

JavaScript Objects, Classes, and Prototypical Inheritance

Master object-oriented JavaScript by understanding object literals, custom constructors, ES6 classes, and the prototype chain through clear written explanations.

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About this course

JavaScript is built on objects, but its unique prototype-based system can be confusing for developers transitioning from other languages or starting from scratch. To write efficient, scalable, and modern applications, you must understand how objects share properties and behave under the hood. This course guides you step-by-step through the core mechanics of object-oriented JavaScript. You will transition from writing basic object literals to designing complex inheritance structures using modern ES6 class syntax. Along the way, you will unpack the prototype chain, grasp the behavior of the 'this' keyword, and learn how to write clean, memory-efficient code. What you'll learn: - Understand foundational object concepts, including properties, methods, and bracket versus dot notation - Create reusable object blueprints using constructor functions and the 'new' keyword - Master the prototype chain to share methods efficiently across object instances - Apply modern ES6 class syntax to write clean, readable object-oriented code - Implement robust inheritance structures to reuse code and reduce duplication - Practice modern object patterns, including factory functions and object destructuring We begin with basic terminology and foundational concepts before moving into constructor functions and the mechanics of prototypes. Finally, you will explore modern class syntax and practical design patterns. This course is designed for beginner-to-intermediate JavaScript developers who want to build a solid architectural foundation. No advanced programming experience is required. Start reading today to unlock the true power of object-oriented JavaScript.

What you'll get

  • 📜 Certificate of completion
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  • 🎧 Audio version included
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  • 📱 Phone or computer
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  • Short & focused
    2h 54m 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 Objects, Classes, and Prototypical Inheritance
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 Objects, Classes, and Prototypical Inheritance
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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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.

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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