JavaScript Boolean

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

The default value of Java Script Boolean object is false.

Boolean Example:

<script>

document.write(10<20);//true

document.write(10<5);//false

</script>

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JavaScript Boolean Properties

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

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Java Script Boolean Methods

• 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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