The ability to combine data into groups allows developers to compute higher order datasets, like grouping employees by department. This article covers Object.groupBy and Map.groupBy in JavaScript.
Take a look at the JavaScript Performance API, a helpful tool designed to provide us with a set of standards we can use to measure the performance of web applications.
Let’s check out the latest features to come to JavaScript in ECMAScript 2023 (ES14): new array methods, symbols as WeakMap keys, and Hashbang Grammar.