Prototype
Creates new objects by copying an existing object, known as the prototype. Useful when object creation is expensive and you want to avoid subclasses.
Prototype: Clone Instead of Construct
Creating new objects by copying a prototype rather than calling constructors.
Prototype in Production: Serialization and Deep Copy
Serialization-based cloning, copy-on-write, and prototype registries in the wild.
Advanced Prototype: Structural Sharing and Versioned Clones
Persistent data structures, structural sharing, and branch/merge history.
Prototype: Review & Mastery Quiz
Scenario questions on cloning, copy depth, and versions.
Free Books & Guides
Refactoring.Guru — Prototype
The definitive modern guide to the Prototype pattern. Clear explanations, UML diagrams, real-world analogies, and code examples in multiple languages.
SourceMaking — Prototype
A comprehensive companion guide covering the Prototype pattern with detailed rules of thumb, criticisms, and robust code snippets.
GoF Design Patterns — Prototype
The original Gang of Four book describing the pattern. Available in the "Design Patterns: Elements of Reusable Object-Oriented Software" on Wikipedia.
Official Documentation
Video Courses
freeCodeCamp — Design Patterns Course
A comprehensive multi-hour video course covering all major design patterns with implementations in JavaScript and TypeScript.
Design Patterns in Modern JavaScript Playlist
YouTube playlist covering creational, structural, and behavioral patterns with clear code walkthroughs.
Web Dev Simplified — Prototype
Clear, concise video tutorials covering design patterns with practical examples.
Practice & Examples
Awesome Low-Level Design (GitHub)
A curated collection of free LLD resources, pattern implementations, and interview problems across multiple languages.
Design Patterns Implementation (GitHub)
The most popular open-source collection of design pattern implementations with detailed explanations.
Refactoring.Guru Examples in Prototype
Code examples of the Prototype pattern in TypeScript, Python, Java, and more.