Jul 8, 2025 · 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.

Nov 9, 2020 · Beyond typeof – Better Type Checking Now that we've seen some of the limitations with the typeof operator, let's see how to fix them and do better type checking.

Sep 22, 2023 · Notes typeof and typeof_unqual are collectively called the typeof operators. The typeof operators cannot be applied to bit-field members. If the type of the operand is a variably …

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 …

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.