The JavaScript Set was introduced to the language in the ES2015 spec, but it has always seemed incomplete. That's about to change. Before we look at the new functionality, let's recap what JavaScript ...

JavaScript Set methods for union, intersection, and difference are now part of the language specification, providing native collection operations that previously required manual implementation or ...

Creates a Set containing only unique numbers. Performs union between two Sets. Performs intersection between two Sets. Finds the difference between two Sets. Checks ...