JavaScript has 7 primitive data types: The typeof operator returns the type of a variable or an expression. In JavaScript, null is a primitive value. However, typeof returns "object". This is a …

Apr 3, 2025 · The typeof operator returns a string indicating the type of the operand's value.

Nov 9, 2020 · JavaScript has a special operator called typeof which lets you get the type of any value. In this article, we will learn how typeof is used, along with a few gotchas to watch out for.

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.

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

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, …

Aug 30, 2024 · Understanding data types and type checking in JavaScript is a crucial skill for effective code. The typeof operator allows us to easily check the type of a variable or object in …

The typeof operator returns the type of variables and values. For example, console.log(typeof a); // number console.log(typeof '9'); // string console.log(typeof false); // boolean. The syntax of …

Aug 25, 2024 · Enter the typeof operator – a powerful tool in JavaScript that allows developers to check the type of a variable or value at runtime. In this comprehensive guide, we'll dive deep …

Apr 12, 2025 · Typeof in JavaScript is an operator used for type checking and returns the data type of the operand passed to it. The operand can be any variable, function, or object whose …