Boolean.prototype.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
ECMAScript (ECMA-262)
The definition of 'Boolean.prototype.valueOf' in that specification.

Browser compatibility

DesktopMobileServer
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung InternetNode.js
valueOfChrome Full support 1Edge Full support 12Firefox Full support 1IE Full support 4Opera Full support 4Safari Full support 1WebView Android Full support 1Chrome Android Full support 18Firefox Android Full support 4Opera Android Full support 10.1Safari iOS Full support 1Samsung Internet Android Full support 1.0nodejs Full support 0.1.100

Legend

Full support
Full support

See also