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Phase 7 — JavaScript Design Patterns

Phase 7 — JavaScript Design Patterns

Section titled “Phase 7 — JavaScript Design Patterns”

Introduction

Section titled “Introduction”

Design patterns are proven, reusable solutions to common software design problems. This phase covers the most important patterns for JavaScript development.

Learning Objectives

Section titled “Learning Objectives”
  • Understand creational, structural, and behavioral patterns
  • Implement patterns in real-world JavaScript code
  • Know when to apply each pattern

Topics Covered

Section titled “Topics Covered”
TopicTypeDescription
Module PatternCreationalEncapsulating private state
SingletonCreationalSingle instance guarantee
FactoryCreationalObject creation abstraction
ObserverBehavioralOne-to-many notifications
StrategyBehavioralInterchangeable algorithms
CommandBehavioralEncapsulating requests
DecoratorStructuralAdding behavior dynamically
ProxyStructuralControlling access
Pub-SubBehavioralDecoupled event communication

Estimated Learning Time

Section titled “Estimated Learning Time”

3–4 hours

Section titled “Related Topics”
  • Phase 2 — Core Concepts (closures, prototypes)
  • Phase 5 — Modern JavaScript (functional programming)