Singleton Pattern in Javascript
In this article, you will learn how to implement a singleton pattern in Javascript. What is Singleton Pattern? Singleton pattern is a design pattern that allows us to use a single instance of a class everywhere. Implementation We are creating an empt...
Responses
Markdown supported · ⌘↵ to post
Tony B
Although there are a lot of good uses for Singletons, this example is a little ironic. The use of a Module means there is only one instance of the Singleton constant, so the entire class is unnecessary. In rare cases where complex dependencies and versions create multiple instances of a module, your example wouldn't work anyway as there would be multiple instances.
i.e. just use const Singleton = new Username() in your module and move on :)