Table of Contents

Back to Chapter

Getting Started

Introduction To Javascript

Where to Write Javascript Code

Say Hello To Javascript

Basic Syntax & Declaration

JavaScript Types of Value

JavaScript Data Types

JavaScript Variables

JavaScript Operators

JavaScript Comments

Control Statements

No items found.

Function & Events

No items found.

Array and its Types

No items found.

OOP : Object Oriented Programming

No items found.

Javascript Standards

No items found.

HTML DOM

No items found.

Javascript : Advanced 1

No items found.

Javascript : Advanced 2

No items found.

Additional JavaScript

No items found.

Practice Exercise

Question

Create a Program to find the factorial of a number using recursion.

Hint

Take a number input from the user By using Prompt.

Now create a function

Inside Function, check if the number is greater than 0 then use recursion (number - 1)

Return the Final Value after the multiplying all outputs.

Solution


function myFactorial(x) {
    if (x == 0) {
        return 1;
    } else {
        return x * myFactorial(x - 1);
    }
}


var num = prompt('Enter a positive number: ');

if (num >= 0) {
    var result = myFactorial(num);
    console.log("The factorial of "+ num + " is " + result);
}else {
    console.log('Enter a positive number.');
}

Menu

Campus Ambassador Program

About

Terms and Conditions

Cancellation and Refund Policy

Courses

Data Structures and Algorithms DSA

Advanced Cyber Security Training Program

Full-Stack Web Dev Industrial Training Program

Data Scientist Industrial Training Program

DevTown Bytes

COPYRIGHT © CODETOWN EDTECH PRIVATE LIMITED . ALL RIGHTS RESERVED

Contact Us on Whatsapp

Hi, How Can We Help You?