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.
Boolean b=new Boolean(value);
The default value of JavaScript Boolean object is false.
JavaScript Boolean Example
<script>
document.write(10<20);//true
document.write(10<5);//false
</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. |
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