Number.prototype.valueOf()

The valueOf() method returns the wrapped primitive value of a Number object.

Try it

Syntax

valueOf()

Return value

A number representing the primitive value of the specified Number object.

Description

This method is usually called internally by JavaScript and not explicitly in web code.

Examples

Using valueOf

const numObj = new Number(10);
console.log(typeof numObj); // object

const num = numObj.valueOf();
console.log(num); // 10
console.log(typeof num); // number

Specifications

Specification
ECMAScript Language Specification
# sec-number.prototype.valueof

Browser compatibility

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See also