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What Is an Array?

Arrays

We'll look at arrays - a neat way of storing a list of data items under a single variable name. Here we look at why this is useful, then explore how to create an array, retrieve, add, and remove items stored in an array, and more besides.

Prerequisites: Basic computer literacy, a basic understanding of HTML and CSS, an understanding of what JavaScript is.
Objective: To understand what arrays are and how to manipulate them in JavaScript.

Source: Mozilla, https://developer.mozilla.org/en-US/docs/Learn/JavaScript/First_steps/Arrays#what_is_an_array
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