JavaScript tutorial:
Boolean object

 

Methods: toString Method, valueOf Method

Properties: constructor Property, prototype Property

The Boolean object is use to create a new Boolean value.

Syntax

var variablename = new Boolean(boolvalue)

The optional boolvalue argument is the initital Boolean value for the new object. If this value is omitted, or is false, 0, null, NaN, or an empty string, the initial value of the Boolean object is false. Otherwise, the initial value is true.

Example

The Boolean object is a wrapper for the Boolean data type. JavaScript implicitly uses the Boolean object whenever a Boolean data type is converted to a Boolean object.

You rarely call the Boolean object explicitly.

See also: new Operator, var Statement