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Boolean.prototype.valueOf()

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

Try it

Syntax

js
valueOf()

Parameters

None.

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()

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

Specifications

Browser compatibility

Desktop Mobile Server
Chrome Edge Firefox Opera Safari Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet WebView Android Deno Node.js
valueOf 1 12 1 4 1 18 4 10.1 1 1.0 4.4 1.0 0.10.0

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean/valueOf