The singleton pattern is used in scenarios when we need exactly one instance of a class. ... Elements of Reusable Object-Oriented Software and Addy Osmani’s Learning JavaScript Design Patterns.

The Singleton Design pattern is a creational design pattern that states that one and only one instance of a class can exist throughout the lifetime of an application.

The Singleton design pattern promotes tight coupling between the classes in your application. Tight coupling increases the maintenance cost as maintenance and code refactoring becomes difficult.

In plain words. Creational patterns are focused towards how to instantiate an object or group of related objects. Wikipedia says. In software engineering, creational design patterns are design ...

Design patterns are solutions to recurring problems guidelines on how to tackle certain problems. They are not classes, packages or libraries that you can plug into your application and wait for the ...