Creational Design Patterns

This might seem a little unexpected for a book with “Design Patterns” in its title, but it took six chapters to get to a point where we can start talking a little bit more in depth about design patterns, at least in the conventional sense. So, what is a design pattern? In simple terms, a design pattern is a reusable solution to a recurring problem. The term is really broad in its definition and it can span multiple domains of an application. However, the term is often associated with a well-known set of object-oriented patterns that were popularized in the 90s by the book Design Patterns: Elements of Reusable Object-Oriented Software, Pearson Education, by the legendary Gang of Four (GoF): Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides. We will often refer to these specific sets of patterns as traditional design patterns or GoF design patterns.

Applying this set of object-oriented design patterns in JavaScript is not as linear...