JavaScript Boolean

JavaScript Boolean is an object that represents value in two states: true or false. You can create the JavaScript Boolean object by Boolean() constructor as given below.

1. Boolean b=new Boolean(value);  

The default value of JavaScript Boolean object is false.

JavaScript Boolean Example

1. <script>  
2. document.write(10<20);//true  
3. document.write(10<5);//false  
4. </script>  

JavaScript Boolean Properties

Property	Description
constructor	returns the reference of Boolean function that created Boolean object.
prototype	enables you to add properties and methods in Boolean prototype.

JavaScript Boolean Methods

Method	Description
toSource()	returns the source of Boolean object as a string.
toString()	converts Boolean into String.
valueOf()	converts other type into Boolean.