Apr 3, 2025 · The typeof operator returns a string indicating the type of the operand's value. An expression representing the object or primitive whose type is to be returned. The following …

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 …

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.

Nov 12, 2015 · typeof is an unary operator that is placed before a single operand which can be of any type. Its value is a string that specifies the type of operand. - x typeof x undefined …

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.

The TypeOf function is an important tool when dealing with complex code. It allows a programmer to quickly check a variable’s data type—or whether it’s “undefined” or “null”—without going …

Aug 30, 2024 · The typeof operator allows us to easily check the type of a variable or object in JS. In this comprehensive 3200-word guide for expert JavaScript developers, we’ll unpack …

The typeof operator accepts an operand and returns a string representing the type of the operand. The following shows the syntax of the typeof operator: In this syntax, the operand can be a …

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 …

Dec 2, 2024 · What is the typeof Operator? The typeof operator in JavaScript returns a string that indicates the type of a given variable or expression. It is particularly useful for understanding …