JavaScript Classes: Inheritance and Modernization — PickAClass
⏱ 2h 54m 📚 29 lessons 🎧 Audio version

JavaScript Classes: Inheritance and Modernization

Gain the skills to confidently apply inheritance patterns in JavaScript, ensuring compatibility and maintainability across diverse codebases.

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About this course

Struggling to understand how classes pass on their traits in JavaScript, especially when dealing with older code? Unravel the complexities of object-oriented programming in JavaScript. By the end of this course, you will confidently implement and manage inheritance in JavaScript, bridging the gap between modern class syntax and legacy prototypes, leading to more maintainable and extensible codebases. What you'll learn: - Understand the foundational concepts of prototypal inheritance and the `__proto__` chain. - Apply modern `class` syntax to define and extend classes in JavaScript. - Manage constructor behavior and the `super()` keyword when implementing inheritance. - Integrate modern class extensions with JavaScript's legacy prototypal patterns. - Explore advanced class features, including private class fields and static members, for secure and organized code. - Practice building flexible and reusable class hierarchies through written exercises. The course begins with foundational concepts of JavaScript's object model and prototypal inheritance, then progresses to modern class syntax. It covers practical applications of extending classes, managing constructor calls, and integrating with older code patterns through detailed explanations and examples. This course is designed for absolute beginners to JavaScript who want to grasp object-oriented programming concepts and inheritance without any prior experience. No prerequisites are needed. Start building more organized and scalable JavaScript applications today.

What you'll get

  • 📜 Certificate of completion
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  • 💬 Personal AI tutor
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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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Skills profile · verifiable
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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
JavaScript Classes: Inheritance and Modernization
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 Classes: Inheritance and Modernization
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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