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 ...

A potential problem with this polyfill, or many other Map polyfills, are 'memory leaks'. For example, if you set an object key in a map to a value, then unreference that object key, then the object ...