Web Reference: An Array is an object type designed for storing data collections. Key characteristics of JavaScript arrays are: Elements: An array is a list of values, known as elements. Ordered: Array elements are ordered based on their index. Zero indexed: The first element is at index 0, the second at index 1, and so on. Dynamic size: Arrays can grow or shrink as elements are added or removed ... Learn JavaScript Arrays from scratch. Covers array creation, indexing, array length, looping, and all array methods like push, pop, map, filter, reduce, and more with easy examples. Aug 18, 2025 · In this lesson 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.
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