Arrays

JavaScript Arrays: From Basics to Map, Filter & Reduce

Arrays are the workhorse of JavaScript — you'll use them in nearly every program. From storing lists of data to transforming collections with map, filter, and reduce, mastering arrays is essential for any JavaScript developer. This guide takes you from the basics all the way through advanced techniques like destructuring and spread operators. What you'll learn * What arrays are and why they're better than individual variables * Core array methods: push, pop, shift, unshift, splice *