JavaScript Boolean : Object

constructor primitive

A true or false value.

Boolean(value : Object) : Boolean

Coerces value into a boolean value.

Example:

console.log(Boolean(undefined));
console.log(Boolean(""));
console.log(Boolean("0"));
console.log(Boolean(0));
console.log(Boolean(1));
console.log(Boolean([]));

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Results:

Spec

Constructors

new Boolean(value : Object) : Object

Creates a box for a boolean value.

Example:

var literal = true;
var boxed = new Boolean(true);
literal.foo = "bar";
boxed.foo = "bar";
console.log(literal.foo);
console.log(boxed.foo);

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Results:

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Instance Methods

toString() : String

Returns a string representation of this.

Example:

console.log(true.toString());
console.log(false.toString());

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Results:

Spec

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