boolean.valueOf

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

Syntax

bool.valueOf()

Return value

The primitive value of the given Boolean object

Description

The valueOf method of Boolean returns the primitive value of a Boolean object or literal Boolean as a Boolean data type.

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

Examples

Using valueOf

x = new Boolean();
myVar = x.valueOf(); // assigns false to myVar

Specifications

Specification	Status	Comment
ECMAScript 1st Edition (ECMA-262)	Standard	Initial definition. Implemented in JavaScript 1.1.
ECMAScript 5.1 (ECMA-262) The definition of 'Boolean.prototype.valueOf' in that specification.	Standard
ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'Boolean.prototype.valueOf' in that specification.	Standard
ECMAScript 2017 Draft (ECMA-262) The definition of 'Boolean.prototype.valueOf' in that specification.	Draft

Browser compatibility

See also

• Object.prototype.valueOf()