Number.prototype.valueOf()

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

Syntax

<var>numObj</var>.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

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

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

Specifications

Browser compatibility

See also

• Number.prototype.toSource()