Jul 8, 2025 · The typeof operator returns a string indicating the type of the operand's value.

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 …

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

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.

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, …

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.

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

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 …

You cannot use typeof to define if a JavaScript object is an array or a date. Both array and date return object as type. typeof is an ECMAScript1 (JavaScript 1997) feature. It is supported in all …