Jan 8, 2026 · The typeof operator returns a string indicating the type of the operand's value.

The typeof Operator The typeof operator returns the data type of a JavaScript variable.

Dec 9, 2022 · In this article, you will learn how to use the typeof operator, instances when you should not use typeof, and the best way to check type in JavaScript for such instances.

In this tutorial, you'll learn how to use the JavaScript typeof operator that returns a string representing the type of a value.

Dec 13, 2024 · The typeof operator in JavaScript is used to determine the data type of a value or variable. It returns a string indicating the type, such as "string", "number", "boolean", "object", etc.

Sep 4, 2025 · Here's everything you need to know about the typeof operator so you don't waste time on the same mistakes. You'll walk away knowing exactly when to use typeof, what it actually returns, …

Jun 24, 2025 · Explore the typeof operator in JavaScript, how to check variable types, the quirks with null, arrays, and objects, and practical usage tips. In JavaScript, understanding data types is crucial …

Apr 16, 2025 · Learn how to check data types in JavaScript using the typeof keyword, with examples and best practices.

Mar 18, 2025 · One of the easiest ways to check the value type in JavaScript is by using the typeof operator. This article will explore how typeof works, its use cases, limitations, and best practices for …

Apr 11, 2025 · The typeof operator in JavaScript checks and returns a string of the data type of a variable. It can return up to nine possible data types for JavaScript variables, including string, …