Design patterns

The second part of this chapter presents a JavaScript approach to a subset of the design patterns introduced by Design Patterns: Elements of Reusable Object-Oriented Software, an influential book most commonly referred to as the Book of Four, the Gang of Four, or GoF (after its four authors). The patterns discussed in the GoF book are divided into the three following groups:

  • Creational patterns that deal with how objects are created (instantiated)
  • Structural patterns that describe how different objects can be composed in order to provide new functionality
  • Behavioral patterns that describe ways for objects to communicate with each other

There are 23 patterns in the Book of Four, and more patterns have been identified since the book's ...

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