JavaScript Object Prototypes: Foundations of OOP — PickAClass
⏱ 3h 📚 30 lessons

JavaScript Object Prototypes: Foundations of OOP

Master prototype-based inheritance, object creation, and modern object-oriented JavaScript patterns to write cleaner, memory-efficient code.

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About this course

Every object in JavaScript has a hidden link to another object—its prototype. Understanding how this relationship works is the secret to unlocking the true power of JavaScript's object-oriented nature and writing highly efficient code. This text-based course guides you from the fundamental concepts of objects to the mechanics of prototype-based inheritance. You will gain a deep, intuitive understanding of how JavaScript resolves properties and methods behind the scenes, allowing you to build scalable applications with confidence. What you'll learn: 1. Understand the fundamental concept of prototypes and the JavaScript prototype chain. 2. Create objects using constructor functions and link them to custom prototypes. 3. Apply prototype-based inheritance to share methods and properties efficiently across instances. 4. Compare classic prototype patterns with modern JavaScript class syntax. 5. Utilize modern object methods like Object.create and Object.getPrototypeOf for clean inheritance patterns. 6. Debug and inspect prototype chains to resolve property lookup issues. The course begins with core terminology and foundational object definitions before moving step-by-step into advanced inheritance mechanics and modern syntax wrappers. It is designed for beginner JavaScript developers who want to transition from basic syntax to solid object-oriented programming concepts. No prior experience with advanced design patterns is required. Start reading today to master the core architecture of JavaScript objects.

What you'll get

  • 📜 Certificate of completion
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  • 💬 Personal AI tutor
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  • ♾️ Lifetime access
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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
JavaScript Object Prototypes: Foundations of OOP
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 Object Prototypes: Foundations of OOP
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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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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