Boolean.prototype.valueOf()
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The valueOf() method of Boolean values returns the primitive value of a
Boolean object.
Try it
Syntax
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()
Specifications
| Specification |
|---|
| ECMAScript® 2026 Language Specification # sec-boolean.prototype.valueof |