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CodeSignal

Modern Object-Oriented JavaScript

via CodeSignal

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Overview

Model domain entities with confidence using modern class features. This course explores the prototype model beneath classes, then layers on private fields, static members, getters/setters, inheritance with `super`, custom error subclasses, `instanceof`, and `WeakMap`-based privacy as an alternative. You'll learn when to choose each tool and how to keep class designs robust.

Syllabus

  • Unit 1: Understanding JavaScript Classes
    • Modernize the Blueprint
    • Refining the Blueprint
    • Build Your Own Shape Blueprint
    • Mastering the Stack Blueprint
  • Unit 2: Privacy and Static Members
    • Guarding the Internal State
    • Tracking every object created
    • Protect and Track Your Objects
    • Build a Secure Account System
  • Unit 3: Inheritance With Super
    • Connecting the Blueprints
    • Repairing the Inheritance Chain
    • Building on Existing Logic
    • Mastering the Class Chain
  • Unit 4: Custom Error Classes
    • Beyond Standard Errors
    • Handling Errors Like a Pro
    • Building a Safety Net
    • Build a Targeted Error System
  • Unit 5: Advanced Composition and Metadata
    • Keep Your Objects Clean
    • Refining Advanced Class Patterns
    • Mixing Things Up
    • Mastering Object Privacy

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