JavaScript is a popular programming language that has become essential in building interactive and dynamic websites. One aspect of JavaScript that you should master as a developer is working with sets ...

The Map object in JavaScript provides several key methods for adding, retrieving and manipulating key-value pairs. The set() method is used to add or update a key-value pair in a Map.

The ECMAScript 2025 specification will likely be finalized in June, with finished proposals including JSON modules, new regex capabilities, and new Set methods published by year-end.