“JavaScript Design Patterns 20 Patterns for Advancing Your JavaScript Skills” S:1 E:7 The Singleton Design Pattern

S:1 E:7 The Singleton Design Pattern The Singleton design pattern restricts instantiation to a single instance and enables a delayed instantiation. This enables a public constant API to retrieve the instance while validating that only one instance of it can ever be created. This makes it easy to share the object with multiple objects.