Jul 10, 2025 · Array.isArray() checks if the passed value is an Array. It performs a branded check, similar to the in operator, for a private field initialized by the Array() constructor.

Description The isArray() method returns true if an object is an array, otherwise false.

There are several ways of checking if an variable is an array or not. The best solution is the one you have chosen. This is the fastest method on Chrome, and most likely all other browsers. All arrays are …

Jul 15, 2024 · The isArray() method in JavaScript is used to determine whether a given value is an array or not. This method returns true if the argument passed is an array else it returns false.

In this tutorial, you will learn about the JavaScript Array isArray () method with the help of examples. The isArray () method checks whether the passed argument is an array or not.

Apr 4, 2025 · Unlike the typeof operator which returns "object" for arrays, Array.isArray specifically identifies array objects. This makes it the most reliable way to check for arrays in JavaScript code.

Learn how to use the JavaScript Array.isArray method to determine if a value is an array. Explore syntax, examples, and best practices.

Feb 5, 2025 · A comprehensive guide to the JavaScript Array.isArray () method, covering syntax, usage, and practical examples for checking if a variable is an array.

In JavaScript, working with arrays is a common task. However, it's crucial to be able to determine whether a given value is actually an array or not. This is where the `Array.isArray ()` method comes …

When checking for Array instance, Array.isArray is preferred over instanceof because it works through iframes. var iframe = document.createElement('iframe');