Jan 8, 2026 · It’s been available across browsers since July 2015. The typeof operator returns a string indicating the type of the operand's value. An expression representing the object or primitive whose …

The typeof operator returns the data type of a JavaScript variable. In JavaScript, a primitive value is a single value with no properties or methods. JavaScript has 7 primitive data types: The typeof …

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, …

In this tutorial, you will learn about JavaScript typeof operator with the help of examples.

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

The typeof operator in JavaScript is a unary operator used to get the data type of a particular variable. It is placed before its single operand, which can be of any type.

3 days ago · Learn about typeof javascript with practical code examples, tips, and common pitfalls. A hands-on guide for developers.

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 …

Nov 9, 2020 · In JavaScript, there are seven primitive types. A primitive is anything that is not an object. They are: Everything else is an object – even including array and function. An object is a collection of …