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:

Apr 3, 2025 · This example shows three ways to create a new array from the existing fruits array: first by using spread syntax, then by using the from() method, and then by using the slice() method.

Jan 18, 2025 · To help you perform common tasks efficiently, JavaScript provides a wide variety of array methods. These methods allow you to add, remove, find, and transform array elements with ease.

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.

Feb 10, 2025 · Arrays in JavaScript are zero-indexed, meaning the first element is at index 0, the second at index 1, and so on. 1. Create Array using Literal. Creating an array using array literal involves using square brackets [] to define and initialize the array. 2. …

JavaScript provides you with two ways to create an array. The first one is to use the Array constructor as follows: The scores array is empty, which does hold any elements. If you know the number of elements that the array will hold, you can create an array with an initial size as shown in the following example:

Dec 31, 2023 · Write a function filterRange(arr, a, b) that gets an array arr, looks for elements with values higher or equal to a and lower or equal to b and return a result as an array.

Mar 27, 2023 · In JavaScript, an array is an object constituted by a group of items having a specific order. Arrays can hold values of mixed data types and their size is not fixed. You can create an array using a literal syntax – specifying its content inside square brackets, with each item separated by a comma.

We can create an array by placing elements inside an array literal [], separated by commas. For example, Here, numbers - Name of the array. [10, 30, 40, 60, 80] - Elements of the array. Here are a few examples of JavaScript arrays: // array of strings const dailyActivities = …

Aug 30, 2024 · Now let‘s see how to create arrays in JavaScript. There are two main syntaxes for creating arrays: 1. Array Literal. This syntax uses square brackets [] and is the standard way to create arrays: You can directly initialize elements inside square brackets separated by comma.