JavaScript Boolean Reference

JavaScript Boolean is a datatype that returns either true or false In JavaScript, a boolean is used as a function to get the value of a variable, object, conditions, expressions, etc in terms of true or false

Syntax:

Boolean(variable/expression) 

Example: If the operands are equal, the equal to operator == returns true

Javascript

<script>
    console.log(15 == 15)
    console.log(15 == 11)
</script>

Output:

true
false

The complete list of JavaScript Boolean has listed below:

JavaScript Boolean Constructor: A constructor gets called when an object is created using the new keyword.

Constructor	Descriptions	Examples
Boolean()	Create Boolean objects or return primitive values of type boolean.	Try

JavaScript Boolean Properties: A JavaScript property is a member of an object that associates a key with a value.

• Instance Property: An instance property is a property that has a new copy for every new instance of the class.

Instance Properties	Descriptions	Examples
constructor	Add a new property and methods to all Boolean instances.	Try

JavaScript Boolean Methods: Methods are actions that can be performed on objects.

• Instance Method: If the method is called on an instance of a boolean then it is called an instance method.

Instance Methods	Descriptions	Examples
valueOf()	Returns the value of boolean object.	Try
toString()	Returns a string according to the Boolean value.	Try