Boolean() constructor

The Boolean() constructor is used to create Boolean objects.

Try it

Syntax

new Boolean()
new Boolean(value)

Parameters

value Optional: The initial value of the Boolean object.

Examples

Creating `Boolean` objects with an initial value of `false`

var bNoParam = new Boolean();
var bZero = new Boolean(0);
var bNull = new Boolean(null);
var bEmptyString = new Boolean('');
var bfalse = new Boolean(false);

Creating `Boolean` objects with an initial value of `true`

var btrue = new Boolean(true);
var btrueString = new Boolean('true');
var bfalseString = new Boolean('false');
var bSuLin = new Boolean('Su Lin');
var bArrayProto = new Boolean([]);
var bObjProto = new Boolean({});

Specifications

Specification
ECMAScript Language Specification # sec-boolean-constructor

Browser compatibility

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See also

Boolean