Using an array literal is the easiest way to create a JavaScript Array. Syntax: const array_name = [item1, item2, ...]; It is a common practice to declare arrays with the const keyword. Learn more about const with arrays in the chapter: JS Array Const. Spaces and line breaks are not important. A declaration can span multiple lines:

I'm just learning JavaScript and it seems like there are a number of ways to declare arrays. var myArray = new Array() var myArray = new Array(3) var myArray = ["apples", "bananas", "oranges"] var myArray = [3] What are their difference, and what are the preferred ways? According to this website the following two lines are very different:

Oct 22, 2024 · The basic method to declare an array is using array litral notations. Use square bracket [] to declare an array and enclose comma-separated elements for initializing arrays.

Feb 10, 2025 · In JavaScript, an array is an ordered list of values. Each value is called an element, and each element has a numeric position in the array, known as its index. Arrays in JavaScript are zero-indexed, meaning the first element …

Apr 3, 2025 · In JavaScript, arrays aren't primitives but are instead Array objects with the following core characteristics: JavaScript arrays are resizable and can contain a mix of different data types. (When those characteristics are undesirable, use typed arrays instead.)

JavaScript allows declaring an Array in several ways. Let's consider two most common ways: the array constructor and the literal notation. The new Array () Constructor The Array () constructor creates Array objects. You can declare an array with the "new" keyword to instantiate the array in memory. Here’s how you can declare new Array ...

Nov 14, 2022 · There are two standard ways to declare an array in JavaScript. These are either via the array constructor or the literal notation. In case you are in a rush, here is what an array looks like declared both ways: You can continue reading this article to properly understand these methods alongside some other interesting options they possess.

This tutorial introduces you to JavaScript array type and demonstrates the unique characteristics of JavaScript arrays via examples.

Apr 11, 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.

May 16, 2022 · In this article, I will show you 3 ways you can create an array using JavaScript. I will also show you how to create an array from a string using the split() method. The most common way to create an array in JavaScript would be to assign that array to a variable like this: