Top 15+ JavaScript Projects With Source Code (2023)

JavaScript Projects

JavaScript is one of the web’s most powerful and adaptable programming languages. It powers most websites’ dynamic behavior. JavaScript is a lightweight object-oriented programming language that is used to script web pages by several websites. When applied to an HTML document, it is an interpreted, full-featured programming language that enables dynamic interactivity on websites. It was first released in 1995 to allow users to add programs to web pages in the Netscape Navigator browser.

Since then, all other graphical web browsers have embraced it. Users can use JavaScript to create modern web applications that interact immediately, without having to reload the page every time. JavaScript is used on a standard website to provide many sorts of interactivity and simplicity. Companies are continuously looking for experienced JavaScript Developers who can create unique GitHub JavaScript projects. Working on some real-time JavaScript projects is the best thing you can do if you’re a JavaScript programming newbie.

Let’s have a quick look at some features of JavaScript:

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  • Because it has built-in execution environments, all popular web browsers support JavaScript.
  • The grammar and structure of JavaScript are based on the C programming language. As a result, it is classified as a structured programming language.
  • JavaScript is an object-oriented programming language that inherits through prototypes rather than classes.
  • It’s a simple and interpreted language.
  • The language is case-sensitive.
  • JavaScript is compatible with a variety of operating systems, including Windows, macOS, and Linux.
  • It gives consumers complete control over their web browsers.

If you’re seeking JavaScript practice projects, we’ve compiled a list of JavaScript project ideas you can get started on right now (whether you’re looking for JavaScript projects for beginners, intermediate programmers, or experienced coders). This is an excellent compilation of projects for both beginners and advanced users. Follow the project link when you locate a JavaScript project that catches your interest and is at par with your skill level. The source code for each of these open-source JavaScript projects has been provided in this article for you to use as a reference.

JavaScript Projects Ideas (2023)

Below are a few exciting JavaScript Projects to try. We have divided projects based on beginner, intermediate, and advanced levels.

JavaScript Projects for Beginners

1. JavaScript Calculator

Calculators are fun, so, to begin with, we will build a simple Calculator using JavaScript. We’ll utilize fundamental JavaScript functions to make all the components work, as well as simple HTML and CSS. We’ll use HTML to display buttons and numbers, and CSS to make them more appealing. Furthermore, we’ll utilize JavaScript to make the buttons do their jobs. 

The source code link of a simple JavaScript Calculator is given below-

Link to the source code

2. Build a Clock using JavaScript

Who does not use a clock? It would be great if you can build a clock using JavaScript. There’s a good possibility you’re on a webpage or using a web application that has a self-updating time component (like a clock), and it’s powered by JavaScript code. This implies that JavaScript clocks aren’t just useful for creating JavaScript projects; they also allow you to practice the type of work you’ll be doing as a JavaScript developer. The source code of a very nice and interactive clock has been provided below for your reference.

Link to the source code

3. Hex Color Application

With this basic hex colors application, you can make the web a little prettier. With a single button press, this software changes the backdrop color and shows the color’s hexadecimal value on the screen. Pretty simple, ain’t it?

You can learn how to utilize click to connect a function to a button while working on this project. In this project, a function was to generate a random hex color and set it as the backdrop color. Since practically every modern web application includes buttons, learning this would be beneficial.

Link to the source code

4.Random Quote Generator

Quote Generator
Quote Generator

If you’re looking for some inspiration, we’ve got you covered. You’ll make an app that displays random famous quotes every time a button is pressed in this project. A quote from a prominent athlete, politician, or historical figure can be displayed:

To finish this project, you’ll need to know fundamental JavaScript syntaxes, such as variables, loops, and object literals. This project will allow you to practice fundamental JavaScript skills in a fun and effective way. It also includes a small interactive portfolio piece that you may use to demonstrate your knowledge of JavaScript.

Link to the source code

5. Tip Calculator

Tip Calculator
Tip Calculator

With this tip calculator, you won’t have to look around the table to determine who’s responsible for the tip. This tip Calculator is made with JavaScript, HTML, and CSS to help you figure out how much to tip at restaurants when the need arises. The design might seem simple but is quite hard to implement.

Link to the source code

6. Timer


Building a simple timer turns out to be more difficult than it appears. One would expect that displaying the proper time would be as simple as utilizing the same setInterval method as in the digital clock project. It turns out that the method doesn’t work in this case. We establish variables to hold various time-related information for this project, such as when the time was begun, when the time was stopped, and how long the time was paused. Our digital clock would simply be unable to display the time elapsed without these variables and the calculations we conduct with them.

So, what are you waiting for? Let’s build our timer using JavaScript. Ready, Set, Go.

Link for the source code

7. Grocery List

Grocery List
Grocery List

Hungry? Let’s go some grocery shopping with our grocery list. This is a cool app using which you can keep a list of items you need to buy, you just have to add the items needed. You can also delete the item/items which are not required. 

Link for the source code

8. BMI Calculator 

BMI Calculator 
BMI Calculator 

You can create BMI Calculator for all the fitness freaks out there. The BMI Calculator takes your height and weight as input and gives BMI (Body Mass Index) as an output. The source code link of a BMI calculator is provided below.

Link for the source code

Intermediate JavaScript Projects With Source Code

9. Happy Bouncing Balls

Using HTML, CSS, and JavaScript, a bouncing ball may be generated, and some bouncing actions can be performed on it. Seeing the colored dancing balls around the screen might actually make someone happy.

Here is an example of happy bouncing balls

A link for the GitHub source code of the project is given below.

Link for the source code.

10. JavaScript Form Validation

JavaScript Form Validation
JavaScript Form Validation

Many websites utilize form validation for client-side validation of user details, card details, address details, and other information. If a mandatory input field name exists, the user can type a number, leave the field blank, type only one letter, and so on. All of these validations are simple to implement using JavaScript. Let’s look at an example of a simple form validation project. HTML elements will be required as well, as is customary.

Link to the source code

11. Guess the number game

Guess the number game
Guess the number game

The objective of this fun game is to code a game where the user must guess a randomly generated number between 1 and 100. You, too, can build this game. The source code for the project is provided below.

Link to the source project

12. Whack-a-mole game

I think everyone has once in his lifetime played this game. A standard Whack-A-Mole machine has a waist-level cabinet with a play area and a display screen, as well as a huge, soft black mallet. Five holes in the top of the play area are stuffed with small plastic moles that appear at random. Whacking each mole as it appears earns you points. The higher the score, the faster the reaction. To create this game, one has to keep in mind these functions-

  • A function that generates a random length of time for the mole to peep.
  • A function that selects a random hole for the mole to peep from.
  • Using the two functions above, create a function to make the mole emerge out of the random hole.
  • A start-up function for the game.

The objective of this project is to create a Whack-a-mole game using JavaScript. The source code has been given below.

Link to the source code

13. Rock Paper Scissors game

Rock Paper Scissors game
Rock Paper Scissors game

Anyone who has not been living under the rocks must have heard about the game Rock Paper Scissors game. Rock paper scissors is a classic two-person hand game in which each participant forms one of three shapes with their outstretched hand at the same time. Wouldn’t it be nice if we can implement it using JavaScript? The project given below is a simple DOM (Document Object Model) rock scissors paper project.

Link to the source code

Advanced JavaScript ProjectsWith Source Code

14. Real-time Weather app

This project will show you how to create a weather app using Vanilla JS, HTML, and CSS. For getting meteorological information, the instructor uses the Dark Sky API, which is a terrific opportunity for you to learn how to communicate with APIs, which is another great thing you can do with JavaScript. The only issue you might have is figuring out how to use JavaScript to interact with an API. But believe me when I say that won’t be an issue.

In this app you’re going to make: our weather app will display weather data from the API like this: an icon that represents the current weather status, the temperature value (18°C) in Celsius units, the weather description (clear sky), and finally the user’s city and country (London, GB).

The temperature value will be converted from Celsius to Fahrenheit when the user clicks on it.

Link to the source code

15. Movie App


This is a movie app made with HTML, CSS, JavaScript, jQuery, and Bootstrap using API calls from The Movie Database. It uses API calls to get movies from The Movie Database. Users can view the most popular movies, arrange them by genre, or use the search function to find other titles.

Link to the source code

16. Real-Time Chat Application

How about we build our own chat application? We’ll make a full-fledged real-time chat application. On the front end, we’ll use React, and on the back end, we’ll utilize NodeJS and the web socket library. By the end of this project, you’ll know how to use web sockets and to send and receive messages in order to create any real-time application.

Covered topics: React.js, Node.js, Express.js, and

Link to the source code

17. File Sharing App 

File Sharing app
File Sharing app

You need a file-sharing app every time you want to share files from one device to the other. This is a demonstration app that illustrates how to utilize the Virgil Crypto Library in JavaScript to construct a secure file-sharing app. You will be able to download, decrypt, and view encrypted media files from a browser after completing the procedures in the setup section.

Link to the source code

18. Instagram Clone


Instagram is a famous social media site used to share photos. After completing this project, you will be able to create a perfect clone of Instagram. However, there is a challenge. Users should be able to enjoy features comparable to those found on Instagram. For instance, image upload, tagging, and likes.

The source code given below is of an Instagram clone. This app features all the latest tools and practices in web development-

  • React JS — A JavaScript library for building user interfaces
  • Node JS — A web framework for Node JS
  • Postgres — A cross-platform and open-source document-oriented database
  • Redis — A platform for caching
  • JWT — A library for authentication of users
  • Context — A state handler

Link to the source code

JavaScript projects: Why are they so important?

The fact that JavaScript is currently used by 94.5 percent of all websites demonstrates its relevance as a web technology. JavaScript is a client-side programming language that allows web developers to write customized client-side scripts to make web pages more dynamic and interactive. At the same time, developers can create server-side code in JavaScript using cross-platform runtime engines like Node.js. They can even integrate JavaScript, HTML5, and CSS3 to produce web pages that are compatible with all browsers, platforms, and devices. There are a number of other reasons why any modern web developer should be familiar with JavaScript and how to take advantage of all of its features.

JavaScript’s skills may lead to a variety of hard and exciting employment opportunities, such as designing mobile and desktop apps, creating dynamic websites from scratch, working as a UI/UX designer, or even working as a full stack developer. If you know the fundamentals of JavaScript, projects are the next logical step in boosting your resume’s star rating. If you have no prior programming knowledge, you can enroll in some fundamental JavaScript classes and then return to these projects. Most JavaScript projects with the source code listed above will be understandable if you know a little HTML and CSS.


We have suggested some JavaScript projects categorized into beginner level, intermediate level, and advanced level projects. These projects will enhance your JS skills and will add a lot of value to your portfolio. They cover practically all of the major JavaScript principles. 

Frequently Asked Questions

Q. What kind of project is JavaScript used for?
JavaScript is a programming language primarily used by developers to create dynamic and interactive web projects.

Q. Where can I get JavaScript projects?
We have recommended some great JavaScript projects in this article along with their source code links. You can also explore some great projects on GitHub.

Q. How do I start a project in JavaScript?
If you are a beginner in JavaScript, start with learning the language first. After you have learned the language to its perfection, you can try to create a beginner-level project with JavaScript.  If you already know the language, then you can try to build an advanced-level project in JavaScript language.

Q. Is JavaScript that difficult? 
No, JavaScript is not that difficult. You can easily get the hang of it. Here is a free course on JavaScript by Scaler Topics that can assist you in getting started.

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