Number.prototype.valueOf()

The valueOf() method of Number values returns the value of this number.

Try it

Syntax

js
valueOf()

Parameters

None.

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

js
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

desktopmobileserver
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
Deno
Node.js
valueOf

See also