Classes & Prototypes - All Resources¶
Section Overview
OOP, Prototype Chain, this, new, class, Factory Functions
Master JavaScript's object-oriented programming with prototypes, classes, and inheritance patterns.
๐ Complete Resource Collection (16 Resources)¶
Visual Understanding¶
1. ๐๐จโ๐ฉโ๐งโ๐ง JavaScript Visualized: Prototypal Inheritance¶
Author: Lydia Hallie
Type: Visual Understanding
URL: https://dev.to/lydiahallie/javascript-visualized-prototypal-inheritance-47co
Focus: Prototype chain, inheritance mechanisms, object linking
Why Essential: Visual understanding of prototype chain
Deep OOP Understanding¶
2. You Don't Know JS: this & Object Prototypes¶
Author: Kyle Simpson
Type: Deep OOP Understanding
URL: https://github.com/getify/You-Dont-Know-JS/blob/2nd-ed/this-object-prototypes/README.md
Focus: this binding rules, objects, prototypes, behavior delegation
Why Essential: Complete understanding of JavaScript OOP
Prototype Chain Deep Dives¶
3. Understanding JavaScript's Prototype Chain: A Deep Dive¶
Author: Rohit
Type: Prototype Chain Deep Dives
URL: https://callmerohit.medium.com/understanding-javascripts-prototype-chain-a-deep-dive-04fb7577eb0b
Focus: Internal link mechanisms between objects and their prototypes
Why Essential: Prototype chain mechanics
4. A Deep Dive into JavaScript's Prototype Chain and the Foundational Role of Functions¶
Author: Satyajit Gain
Type: Prototype Chain Deep Dives
URL: https://dev.to/satyajitgain/a-deep-dive-into-javascripts-prototype-chain-and-the-foundational-role-of-functions-1b62
Focus: Property and method search mechanisms, automatic prototype creation
Why Essential: Function role in prototype system
5. JavaScript - The prototype chain in depth¶
Author: Debuggr
Type: Prototype Chain Deep Dives
URL: https://www.debuggr.io/js-prototype-in-depth/
Focus: Object connection mechanisms and inheritance implementation
Why Essential: In-depth prototype chain analysis
6. Understanding the JavaScript Prototype Chain & Inheritance¶
Author: RisingStack
Type: Prototype Chain Deep Dives
URL: https://blog.risingstack.com/javascript-prototype-chain-inheritance/
Focus: Prototype chain, closures, and scope chain debugging techniques
Why Essential: Debugging prototype issues
this Keyword Deep Understanding¶
7. Deep Dive into JavaScript's "this" Keyword¶
Author: Carlos Rojas
Type: this Keyword Deep Understanding
URL: https://blog.carlosrojas.dev/deep-dive-into-javascripts-this-keyword-485fd78f5b90
Focus: Context determination mechanisms and execution context binding
Why Essential: Complete this keyword understanding
8. Understand JavaScript more deeply by writing a bind function¶
Author: Adam Bomb
Type: this Keyword Deep Understanding
URL: https://medium.com/@adambomb/understand-javascript-more-deeply-by-writing-a-bind-function-8b619b242dcc
Focus: Execution context binding mechanisms, implementing bind from scratch
Why Essential: Understanding this binding through implementation
9. The Ultimate Guide to JavaScript's 'this' Keyword¶
Author: Non Coder Success
Type: this Keyword Deep Understanding
URL: https://noncodersuccess.medium.com/the-ultimate-guide-to-javascripts-this-keyword-a-deep-dive-into-javascript-s-this-keyword-6deef2baffb2
Focus: Object reference mechanisms and context determination
Why Essential: Comprehensive this keyword guide
Official Specifications¶
10. Inheritance and the prototype chain - MDN¶
Author: MDN
Type: Official Specifications
URL: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Inheritance_and_the_prototype_chain
Focus: Official specification of internal object links and prototype mechanisms
Why Essential: Authoritative prototype chain documentation
Advanced OOP Patterns¶
11. JavaScript Classes vs Prototypes¶
Author: Parsyval
Type: Advanced OOP Patterns
URL: https://medium.com/@parsyval/javascript-prototype-vs-class-a7015d5473b
Focus: Class syntax vs prototype patterns, performance implications
Why Essential: Understanding class vs prototype trade-offs
12. Factory Functions vs Constructor Functions vs Classes¶
Author: Eric Elliott
Type: Advanced OOP Patterns
URL: https://medium.com/javascript-scene/javascript-factory-functions-vs-constructor-functions-vs-classes-2f22ceddf33e
Focus: Different object creation patterns, pros and cons
Why Essential: Object creation pattern comparison
13. Understanding JavaScript Object Creation Patterns¶
Author: Addy Osmani
Type: Advanced OOP Patterns
URL: https://addyosmani.com/resources/essentialjsdesignpatterns/book/#constructorpatternjavascript
Focus: Constructor pattern, prototype pattern, module pattern
Why Essential: Design patterns for object creation
14. Classes - MDN Official Documentation¶
Author: MDN Web Docs
Type: Official Documentation
URL: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes
Focus: Complete official guide to ES6 classes, inheritance, and class methods
Why Essential: Authoritative reference for modern JavaScript class syntax
15. Prototype Chain - MDN Official Documentation¶
Author: MDN Web Docs
Type: Official Documentation
URL: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Inheritance_and_the_prototype_chain
Focus: Official documentation on prototype-based inheritance and prototype chain
Why Essential: Definitive guide to JavaScript's prototype system
16. Object.prototype - MDN Official Documentation¶
Author: MDN Web Docs
Type: Official Documentation
URL: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/prototype
Focus: Official reference for Object.prototype and prototype manipulation
Why Essential: Core reference for prototype object and methods
๐ฏ Learning Path for This Section¶
Beginner Level¶
- Start with Lydia Hallie's Visual Understanding for prototype visualization
- Read MDN's Official Documentation for basic prototype understanding
Intermediate Level¶
- Study Kyle Simpson's You Don't Know JS for complete OOP understanding
- Read Prototype Chain Deep Dives for mechanics understanding
Advanced Level¶
- Master this Keyword Deep Understanding resources
- Study Object Creation Patterns comparison
Expert Level¶
- Implement bind function from scratch for deep understanding
- Master Advanced OOP Patterns and design patterns
๐ Related Sections¶
- Functions & Callbacks - How functions create objects and prototypes
- JavaScript Principles - Execution context and object creation
- Advanced ES6+ Concepts - Modern class syntax and patterns
๐ก Key Concepts Covered¶
- Prototype Chain: How objects inherit from other objects
- this Keyword: Context determination in different scenarios
- Constructor Functions: Traditional object creation pattern
- Class Syntax: Modern ES6+ object creation
- Factory Functions: Alternative object creation pattern
- Inheritance: Prototypal vs classical inheritance
- Object Creation: Different patterns and their trade-offs
Study Tip
Focus on understanding JavaScript's prototypal inheritance as fundamentally different from classical inheritance. Practice creating objects with different patterns and understanding how the prototype chain resolves property access.