JavaScript’s Map and Set are indispensable tools in a developer’s toolkit, offering powerful ways to manage data. The Map structure provides a flexible means of associating values with unique ...

JavaScript introduced Map and Set objects with new ES6. Map provides functionality to use objects as object key. Set is a unique collection of items. This implementation uses hash tables to identify ...

For example, if you set an object key in a map to a value, then unreference that object key, then the object will still be in memory because of the reference to it inside this polyfill's internal look ...