Try it
const x = new Boolean();
console.log(x.valueOf());
// Expected output: false
const y = new Boolean("Mozilla");
console.log(y.valueOf());
// Expected output: true
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
const x = new Boolean();
const myVar = x.valueOf(); // assigns false to myVar
Specifications
| Specification |
|---|
| ECMAScript® 2027 Language Specification # sec-boolean.prototype.valueof |