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.

Set objects are collections of values. A value in the set may only occur once; it is unique in the set's collection.You can iterate through the elements of a set in insertion order. The insertion ...

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.

JavaScript ES6 Map and Set polyfill and improvements. - t10ko/es6-set-and-map. Skip to content. Navigation Menu Toggle navigation. Sign in Appearance settings. Product ... // Set method returns it's ...