# What Is an Array

An array keeps a whole list of values, such as the songs on a road-trip playlist, under one name, and you reach each one by its position, counting from 0.

![Cheat sheet: What Is an Array](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/10/e162d0e6a43a4b31b99fa59d62273291.webp)

- Category: JavaScript
- Level: Novice
- Tags: Array (javascript), Array Index (javascript), Array Length (javascript), JavaScript, undefined
- Updated: November 1, 2026

Source: https://www.ask-codey.com/cheat-sheets/javascript-arrays-what-is-an-array-cheat-sheet