typeof - JavaScript | MDN
Jan 8, 2026 · The typeof operator returns a string indicating the type of the operand's value.
JavaScript typeof - W3Schools
The typeof Operator The typeof operator returns the data type of a JavaScript variable.
typeof - Wikipedia
typeof, alternately also typeOf, and TypeOf, is an operator provided by several programming languages to determine the data type of a variable. This is useful when constructing programs that must accept …
JavaScript typeof
In this tutorial, you'll learn how to use the JavaScript typeof operator that returns a string representing the type of a value.
Stop Guessing Data Types: Master JavaScript's typeof Operator in 5 ...
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, …
JavaScript Type Checking – How to Check Type in JS with typeof ()
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.
JavaScript typeof Operator - Programiz
In this tutorial, you will learn about JavaScript typeof operator with the help of examples.
JavaScript typeof Operator Tutorial with Examples
Oct 14, 2024 · The typeof operator in JavaScript is used to determine the data type of a variable or expression. It returns a string that indicates the type of the operand, making it useful for debugging, …
JavaScript - typeof Operator - Online Tutorials Library
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.
JavaScript typeof Operator - GeeksforGeeks
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.