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.
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
Specification |
---|
ECMAScript Language Specification # sec-boolean.prototype.valueof |
Browser compatibility
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