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CSSStyleDeclaration

JavaScript Boolean valueOf() Method

< JavaScript Boolean Reference

Example

Return the primitive value of a Boolean object:

var bool = false;
var x = bool.valueOf();

The result of x will be:

false

Try it Yourself »

Definition and Usage

The valueOf() method returns the primitive value of a boolean.

Note: This method is usually called automatically by JavaScript behind the scenes, and not explicitly in code.

Browser Support

Method
valueOf()	Yes	Yes	Yes	Yes	Yes

Syntax

boolean.valueOf()

Parameters

None

Technical Details

Return Value:	A Boolean, either "true" or "false"
JavaScript Version:	1.1

< JavaScript Boolean Reference