In the first section of this title we will get to know what design patterns are and the logic that stands behind them. By the end of this section you will have a good grasp of the core JavaScript design patterns under your belt and clear understanding of the role that design patterns have in web development.

Creational design patterns are design patterns that relate to the creation of objects. In this section we will explore the core creational design patterns and among them the: Singleton, Factory, Abstract Factory, Builder and the Prototype design pattern.

Structural design patterns focus on the structure of classes/objects. In this section we will meet the Adapter, Composite and Decorator design patterns.

Structural design patterns focus on the structure of classes/objects. In the last section we met our first structural design patterns. In this section we will meet the Fly Weight, Facade, Bridge and Proxy design patterns.

Behavioral design patterns focus on the interactions between classes. In this title we will only cover a hand full of these type of design patterns but there are many more of them.