JavaScript Object-Oriented Programming and Public Instance Fields — PickAClass
⏱ 3h 📚 30 lessons

JavaScript Object-Oriented Programming and Public Instance Fields

Master modern JavaScript class syntax, object instantiation, and public instance fields to write cleaner, more maintainable code.

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About this course

Modern JavaScript development relies heavily on understanding how objects are created, structured, and managed under the hood. While class syntax looks straightforward, truly grasping how constructors work with the new keyword is essential for writing efficient, bug-free applications. This course breaks down the mechanics of object-oriented JavaScript, taking you from foundational concepts to modern, real-world patterns. You will transition from basic object creation to confidently implementing structured class architectures using public instance fields, ensuring your code is both readable and maintainable. What you'll learn: - Understand the core mechanics of the new keyword and object creation - Configure public instance fields to define clean, declarative class properties - Map how object prototypes link to class prototypes behind the scenes - Apply modern JavaScript class syntax to organize complex application state - Practice writing robust constructors that set up default object properties - Implement clean code patterns using current ES6+ features and syntax standards This course begins with essential definitions of object creation, prototype chains, and the constructor pattern. You will then progress through step-by-step written explanations of how JavaScript handles memory and properties, culminating in modern practices for defining public instance fields. This course is designed for beginner to intermediate JavaScript developers who want to move beyond copy-pasting code and truly understand how object-oriented programming works in modern environments. No advanced framework experience is required. Start reading today to master the inner workings of JavaScript classes and elevate your coding standards.

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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PickAClass
Skills profile · verifiable
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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
JavaScript Object-Oriented Programming and Public Instance Fields
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 Object-Oriented Programming and Public Instance Fields
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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