MDN Web Docs
developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Global_Objects › Array
Array - JavaScript - MDN Web Docs
July 28, 2026 - The Array object, as with arrays in other programming languages, enables storing a collection of multiple items under a single variable name, and has members for performing common array operations. In JavaScript, arrays aren't primitives but are instead Array objects with the following core characteristics:
W3Schools
w3schools.com › js › js_arrays.asp
JavaScript Arrays
You should use arrays when you want the element names to be numbers. JavaScript has a built-in array constructor new Array().
Learn JavaScript Arrays in 4 Minutes - YouTube
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JavaScript Arrays Crash Course - YouTube
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Learn JavaScript ARRAYS in 8 minutes! 🗃 - YouTube
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All JavaScript Array Methods for Beginners - YouTube
JavaScript Array Functions
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How To Create Arrays From Iterables - JavaScript Array From (In ...
JavaScript.info
javascript.info › tutorial › the javascript language › data types
Arrays
An array is a special kind of object. The square brackets used to access a property arr[0] actually come from the object syntax. That’s essentially the same as obj[key], where arr is the object, while numbers are used as keys.
MDN Web Docs
developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Global_Objects › Array › Array
Array() constructor - JavaScript - MDN Web Docs
The Array() constructor creates Array objects.
GeeksforGeeks
geeksforgeeks.org › javascript › javascript-arrays
JavaScript Arrays - GeeksforGeeks
In JavaScript, an array is an ordered list of values.
Published: 3 weeks ago
MDN Web Docs
developer.mozilla.org › en-US › docs › Learn_web_development › Core › Scripting › Arrays
Arrays - Learn web development | MDN
You can also modify an item in an array by giving a single array item a new value. Try this: ... const shopping = ["bread", "milk", "cheese", "hummus", "noodles"]; shopping[0] = "tahini"; console.log(shopping); // shopping will now return [ "tahini", "milk", "cheese", "hummus", "noodles" ] Note: We've said it before, but just as a reminder — JavaScript starts indexing arrays at zero!
W3Schools
w3schools.com › js › js_array_methods.asp
JavaScript Array Methods
The length property returns the length (size) of an array.
BrainStation®
brainstation.io › learn › javascript › array
JavaScript Array (2026 Tutorial & Examples) | BrainStation®
February 4, 2025 - JavaScript arrays are collections of items. These items can be of the same type or different but arrays provide a way to group them together into a common collection. Since a JavaScript array is a collection, it is stored and used differently ...
Programiz
programiz.com › javascript › array
JavaScript Array (with Examples)
In JavaScript, an array is an object that can store multiple values at once. In this tutorial, you will learn about JavaScript arrays with the help of examples.
Mozilla
developer.mozilla.org › en-US › docs › Web › JavaScript › Guide › Indexed_collections
Indexed collections - JavaScript - MDN Web Docs - Mozilla
2 weeks ago - For example, consider an array called emp, which contains employees' names indexed by their numerical employee number. So emp[0] would be employee number zero, emp[1] employee number one, and so on. JavaScript does not have an explicit array data type. However, you can use the predefined Array ...
freeCodeCamp
freecodecamp.org › news › how-to-declare-an-array-in-javascript-creating-an-array-in-js
How to Declare an Array in JavaScript – Creating an Array in JS
November 7, 2024 - In JavaScript, an array is one of the most commonly used data types. It stores multiple values and elements in one variable. These values can be of any data type — meaning you can store a string, number, boolean, and other data types in one ...
Reddit
reddit.com › r/learnprogramming › javascript arrays arent actually arrays at all?
r/learnprogramming on Reddit: JavaScript arrays arent actually arrays at all?
February 12, 2026 -
So I have been learning computer science in college and getting specialized in web development just so I can get a better chance of landing an entry level job and I ran across something that I have been confused about. So in my understanding from my CS courses, an array is a contiguous composite data structure which holds homogeneous values which are ordered with an index. However in JS, arrays are composite data structures which hold heterogeneous values and are ordered with an index. Would an array in JS be closer to a record as far as data structures go or am I putting the cart before the horse in the importance of the allowance of more than one data structure? Is it more important that arrays are index-based by their definition more than it is important that they are homogeneous?
Any and all help would be great, thanks!!
Top answer 1 of 22
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Statically typed languages care a lot about the things that are in the array being of the same type. Dynamically typed languages? Not so much. You can imagine JS arrays as being arrays of references to stuffs ^^
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JavaScript isn't typed, so the data type in each index doesn't matter. It's not great practice to just shove whatever in, when you should use something else if you're actually storing heterogenous data in it. But at the end of the day, an array is just a list, and JS doesn't care what you store where. If you want strict typing, go with TypeScript.
javascript.com
javascript.com › learn › arrays
Create an array in JavaScript with these free resources
Learn about array functions, how to join two arrays, the JavaScript last element in an array, and length of array in JavaScript. Arrays in JavaScript are container-like values that can hold other values.
GeeksforGeeks
geeksforgeeks.org › javascript › javascript-array-methods
JavaScript Array Methods - GeeksforGeeks
The push() method is used to add an element at the end of an Array. As arrays in JavaScript are mutable objects, we can easily add or remove elements from the Array.
Published: June 1, 2026
DigitalOcean
digitalocean.com › community › tutorials › understanding-arrays-in-javascript
Understanding Arrays in JavaScript | DigitalOcean
In this tutorial, we will learn how to create arrays; how they are indexed; how to add, modify, remove, or access items in an array; and how to loop through …
Code Institute
codeinstitute.net › blog › javascript › javascript arrays
Javascript Arrays: A Guide - Code Institute Global
December 20, 2022 - JavaScript arrays are types of objects that are data collections, but you should think of them more as displays. This guide has you covered.
Mimo
mimo.org › glossary › javascript › arrays
Learn how to Use JavaScript Arrays: Create, Filter, Sort
In JavaScript, an array is a data structure that allows you to store multiple values in a single variable.
Medium
medium.com › data-science-collective › must-read-introduction-to-arrays-in-javascript-76c224acca6d
Introduction to Arrays in JavaScript | by shubham mishra | Data Science Collective | Medium
April 18, 2025 - Introduction to Arrays in JavaScript Arrays are one of the most commonly used data structures in JavaScript. They allow you to store multiple values in a single variable, making it easy to organize …
freeCodeCamp
freecodecamp.org › news › the-javascript-array-handbook
The JavaScript Array Handbook – JS Array Methods Explained with Examples
May 21, 2021 - All the elements in the array are comma(,) separated. In JavaScript, arrays can be a collection of elements of any type.
Codecademy
codecademy.com › docs › javascript › arrays
JavaScript | Arrays | Codecademy
March 20, 2024 - In JavaScript, an Array is a list of ordered, stored data. It can hold items that are of any data type (e.g.