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 |
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