How to create an object in JavaScript?

In this article we will discuss, how to create an object using JavaScript. We can create a custom class and then create an instance of a class. In JavaScript we don’t have class instead of that we can use functions.

Example:

<h2>Creating an object in JavaScriptusing constructor function 

</h2>

<script type="text/javascript">

    var firstName = prompt("Please enter first Name", "");

    var lastName = prompt("Please enter a second Name", "");

 

    var employee = new Employee(firstName, lastName);

 

    function Employee(firstName, lastName) {

        this.firstName = firstName;

        this.lastName = lastName;

 

        this.getFullName = function () {

            return this.firstName + "" + this.lastName;

        }

    }

    document.write("FirstName = " + employee.firstName + "<br/>");

   document.write("LastName= " +employee.lastName + "<br/>");

   document.write("FullName= " +employee.getFullName() + "<br/>");

</script>

Input:

Output: