How To Use Abstraction Using JavaScript?

Nov 25, 2021 . Admin

Hello Friends,

Now let's see example of how to use abstraction example.We will check how to use abstraction. This is a short guide on use abstraction in javascript. Here you will learn how to use javascript abstraction. Let's get started with how to use abstraction in javascript.

Here i will give you many example how to use abstraction using javascript.

Example : 1

<!DOCTYPE html>
<html>
    <head>
        <title>How To Use Abstraction Using JavaScript? - MyWebtuts.com</title>
    </head>
    <body>
        <h3>How To Use Abstraction Using JavaScript? - MyWebtuts.com</h3>
        <script>
            function Subject()
            {
                this.subjectName="subjectName";
                throw new Error("You cannot create an instance of Abstract Class");
            }
            Subject.prototype.display=function()
            {
                return "Subject is : "+this.subjectName;
            }
            function Laravel(subjectName)
            {
                this.subjectName=subjectName;
            }
            Laravel.prototype=Object.create(Subject.prototype);
            var laravel = new Laravel("Laravel 8");
            document.writeln(laravel.display());
        </script>
    </body>
</html>

Output :

Subject is : Laravel 8

Example : 2

<!DOCTYPE html>
<html>
    <head>
        <title>How To Use Abstraction Using JavaScript? - MyWebtuts.com</title>
    </head>
    <body>
        <h3>How To Use Abstraction Using JavaScript? - MyWebtuts.com</h3>
        <script>
            function Subject()
            {
                this.subjectName = subjectName;
                throw new Error("You cannot create an instance of Abstract class");
            }
            function Laravel(subjectName)
            {
                this.subjectName=subjectName;
            }
            Laravel.prototype=Object.create(Subject.prototype);
            var laravel = new Laravel("Laravel 8");
            document.writeln(laravel instanceof Subject);
            document.writeln(laravel instanceof Laravel);
        </script>
    </body>
</html>

Output :