15 Best FREE JavaScript Certification Courses Online (2024)

JavaScript is the most popular client-side scripting language supported by all browsers. It is used for wide-ranging browser functionalities like validating forms, creating cookies, and more. Moreover, it is considered a high-demanding programming language in the current job market. Decent knowledge of JavaScript programming language not only helps you get a good job but also gives you an edge in your current job as well.

You can learn JavaScript classes online from JavaScript certification courses and advance your career. We have compiled some of the best JavaScript certification courses from top industry leaders and the best online learning websites like Udemy, Coursera, Udacity, Edx, and.

Here, we have selected the best JavaScript classes online for beginners and experts. We have also identified courses geared for intermediate and expert professionals who want to upskill and advance their careers. This list has many online JavaScript courses for free as well as paid ones.

Best Online JavaScript Certification Courses

Name Provider Price Key Topics Ratings Duration Link
Programming with JavaScript Coursera Free Creating simple JavaScript codes. 4.7 42 Hours Learn More
Modern JavaScript From The Beginning Udemy $11.99 Lean Javascript from scratch. 4.7 21.5 hours on-demand video Learn More
The Complete JavaScript Course: From Zero to Expert! Udemy $11.99 How to become a confident and modern JavaScript developer. 4.8 69 hours on-demand video Learn More
Intro to JavaScript Udacity Free What is JavaScript 4.5 Approx. 2 Weeks Learn More
Full Stack JavaScript Developer Udacity Free Full-stack JavaScript development. 4.5 4 Months Learn More

1) Programming with JavaScript (Coursera)

Specs: Duration: 42 hours | Price/Fee: Free | Certification: Yes | Level: Beginner

Programming with JavaScript is an online learning course that teaches you all the skillsets required to get comfortable with JavaScript. This JavaScript course helps you learn the basics of JavaScript with real-world applications. This JavaScript training course teaches you how to write JavaScript in browser and code editor, manipulate web forms, read data, check inputs for errors, and use various JavaScript functions.

Programming with JavaScript

Key topics:

  • Introduction to Javascript
  • The Building Blocks of a Program
  • Programming Paradigms
  • End-of-Course Graded Assessment
  • Better User Experience with an API


  • Flexible deadlines
  • Shareable Certificate
  • Digital certificate on completion

Enroll Now >>

2) Modern JavaScript From The Beginning (Udemy)

Specs: Rating: 4.7 | Duration: 21.5 hours on-demand video | Certification: Yes | Prerequisites: Anyone who wants to learn modern JavaScript from beginner to advance level without libraries and frameworks

Modern JavaScript from The Beginning is an online course for beginners that helps everybody learn JavaScript from scratch. This course starts with the fundamentals and teaches advanced JavaScript programming without depending on frameworks or libraries. You will learn various JavaScript types, irrespective of whether you are a beginner or an established JS programmer.

Modern JavaScript From The Beginning

Key topics:

  • Modular learning sections & 10 real-world projects with pure JavaScript
  • Master the DOM (Document Object Model) without jQuery
  • OOP including ES5 prototypes & ES2015 classes
  • Regular expressions, error handling, localStorage & more


  • 2 articles
  • 111 downloadable resources
  • Full lifetime access
  • Access on mobile and TV

Enroll Now >>

3) The Complete JavaScript Course: From Zero to Expert! (Udemy)

Specs: Rating: 4.8 | Duration: 69 hours on-demand video | Certification: Yes

The Complete JavaScript Course: From Zero to Expert is an online course where you will learn about modern JavaScript from the beginning. It is one of the best JavaScript certification courses and is full of practical and fun code examples for an important theory about how JavaScript works behind the scenes.

You will also learn how to think like a developer, architect your code, and debug code. It has a lot of other real-world skills that you will need for a web development job.

This JavaScript Bootcamp contains beginner, intermediate, advanced, and even expert-level topics. So you do not have to buy any other course to master JavaScript from the ground up.

The Complete JavaScript Course: From Zero to Expert!

Key topics:

  • Offers real-world projects for your portfolio (not boring toy apps)
  • Problem-solving, researching, and workflows.
  • JavaScript fundamentals: variables, operators, Boolean logic, functions, objects, loops, etc.
  • Asynchronous JavaScript: Event loop, async/await, AJAX calls, and APIs
  • Architect your code using flowcharts and common patterns.


  • 20 articles
  • 18 downloadable resources
  • Full lifetime access
  • Access on mobile and TV

Enroll Now >>

4) Intro to JavaScript (Udacity)

Specs: Duration: Approx. 2 Weeks | Price/Fee: Free | Certification: Yes | Level: Beginner | Prerequisites: No prior experience is necessary for this course.

Intro to JavaScript is an online course that is ideal for beginners looking to add a new programming language to their skillset. JavaScript is a foundational programming language for developers who want to begin a career in web development.

Intro to JavaScript

Key topics:

  • What is JavaScript
  • Data Types & Variables
  • Conditions
  • Learning Loops
  • Functions and Arrays


  • Rich Learning Content
  • Interactive Quizzes
  • Self-Paced Learning
  • Taught by Industry Pros

Enroll Now >>

5) Full Stack JavaScript Developer (Udacity)

Specs: Duration: 4 Months | Price/Fee: Free | Certification: Yes | Level: Intermediate | Prerequisites: Knowledge of HTML, CSS, Basic JavaScript, and JSON.

Full Stack JavaScript Developer is an online course. It this class, you will be able to master the skills necessary to become a successful JavaScript full-stack developer. You will also learn how to create APIs and server-side business logic and develop the persistence layer to store, process, and retrieve data using JavaScript.

Full Stack JavaScript Developer

Key topics:

  • Backend Development with Node.js
  • Creating an API with PostgreSQL and Express JS
  • Angular Fundamentals
  • Deployment Process


  • Rich Learning Content
  • Offers real-world projects from industry experts
  • Self-Paced Learning
  • Taught by Industry Pros

Enroll Now >>

6) JavaScript For Beginners – Learn JavaScript From Scratch (Skillshare)

Specs: Duration: Self-placed | Certification: Yes | Level: Beginner

JavaScript For Beginners is a beginner JavaScript programming course that helps you learn and understand all JavaScript concepts. It also helps you to effectively learn how to learn the JavaScript programming language.

This JavaScript basics course will show you, as a complete beginner, how to begin creating programs using JavaScript. This JavaScript online class helps anyone to learn web development who only knows HTML, CSS, or any other programming language and never worked with JavaScript before.

JavaScript For Beginners - Learn JavaScript From Scratch

Key topics:

  • What You Will Be Learning
  • Creating Your Very First JavaScript Program
  • What is JavaScript?
  • JavaScript Console Challenge
  • What is a Variable?
  • Combining Strings Together
  • The Variable Coding Challenge


  • Unlimited access to every class
  • Supportive online creative community
  • Supported platforms: iOS and Google Play

Enroll Now >>

7) JavaScript, jQuery, and JSON (Coursera)

Specs: Duration: Approx. 26 hours to complete | Price/Fee: Free | Certification: Yes

JavaScript, jQuery, and JSON is an online JavaScript course. You will learn how JavaScript supports the Object-Oriented pattern, focusing on the unique aspect of how JavaScript approaches OOPS concepts. The course also briefly introduces the jQuery library.

In this JavaScript Bootcamp, you will learn more about JavaScript Object Notation (JSON), which is used as a syntax to exchange data between code running on the server (i.e., in PHP) and code running in the browser.

JavaScript, jQuery, and JSON

Key topics:

  • Introduction to JavaScript
  • JavaScript Objects
  • How to use JQuery
  • JSON – JavaScript Object Notation


  • Shareable course certificate
  • Self-paced learning option
  • Course videos & readings
  • Graded assignments with peer feedback
  • Graded quizzes with feedback
  • 100% online course
  • Flexible schedule
  • Graded programming assignments

Enroll Now >>

8) ES6 – JavaScript Improved (Udacity)

Specs: Rating: 4.4 | Duration: Approx. 4 Weeks | Price/Fee: Free | Certification: Yes | Prerequisites: Knowledge of basic JavaScript

ECMAScript 6, or ES6, has brought about a ton of changes to the JavaScript programming language. In this course, you will explore those changes to learn about the latest features and improvements to the JavaScript language, including new keywords, arrow functions, the Class syntax, Promises, and much more.

ES6 - JavaScript Improved

Key topics:

  • Learning about Syntax
  • JavaScript Functions
  • Built-ins
  • Professional development


  • Instructor videos
  • Learn by doing exercise
  • Rich Learning Content
  • Interactive Quizzes
  • Taught by Industry Pros
  • Self-Paced Learning

Enroll Now >>

9) Learn Intermediate JavaScript (Udacity)

Specs: Duration: 3 months | Price/Fee: Free | Certification: Yes

Learn Intermediate JavaScript is an online course that helps students learn and prepare for web development, server-side application development, and desktop development that need a more advanced set of JavaScript skills. This online course also provides the skills required to use JavaScript frameworks like AngularJS, ReactJS, and VueJS.

Learn Intermediate JavaScript

Key topics:

  • Object-Oriented JavaScript
  • Functional Programming
  • Asynchronous Programming in JavaScript


  • Real-world projects from industry experts
  • Technical mentor support
  • Flexible learning program

Enroll Now >>

10) ES6 JavaScript: The Complete Developer’s Guide (Udemy)

Specs: Rating: 4.7 | Duration: 6 hours on-demand video | Certification: Yes

ES6 JavaScript: The Complete Developer’s Guide is an online JavaScript course. It will get you up and running quickly and teach you the core knowledge you need to understand for building applications using each new piece of JavaScript syntax introduced with ES6.

After introducing Array helpers, this JavaScript training course also teaches you advanced ES6, covering topics like enhanced object literals, all the default function arguments, and classes. All these topics include multiple live code exercises and exams to ensure that you understand each new concept easily.

ES6 JavaScript: The Complete Developer's Guide

Key topics:

  • How you can apply each feature of ES6 in practical situations
  • Understand the major features of ES6
  • Know the difference between ES6 and ES2015
  • Teach other developers about destructring


  • 2 articles
  • 36 coding exercises
  • Full lifetime access
  • Access on mobile and TV

Enroll Now >>

11) Modern JavaScript: ES6 Basics (Coursera)

Specs: Rating: 4.4 | Duration: 2 hours | Price/Fee: Free Trial | Certification: Yes

Modern JavaScript: ES6 Basics is an online JavaScript course where you can learn the fundamental ES6 features and practice them with live hands-on examples. You will be able to write modern JavaScript applications and understand the importance of ES6.

This one of the best JavaScript certification courses helps you learn the reasoning behind the main ES6 features like arrow functions, variables, templates, literals, etc.

Modern JavaScript: ES6 Basics

Key topics:

  • Variables (let) and Scoping.
  • Variables (const) and Immutability.
  • Extracting data with Destructuring.
  • Strings and Interpolation.
  • Learn about the major features of ES6.
  • Arrow functions basics.
  • How to apply ES6 in practical situations.
  • You will learn how to fix every problem.


  • Course video tutorials
  • Self-paced
  • No download is needed
  • Graded quizzes with feedback
  • 100% online course
  • Flexible schedule
  • Graded programming assignments

Enroll Now >>

12) Modern JavaScript For Beginners: Part 1 (Skillshare)

Specs: Duration: 5 Hours 29 Minutes | Price/Fee: 1-Month Free Trial | Certification: Yes | Level: Beginner

Modern JavaScript For Beginners is a course that helps you to improve your skillsets and job prospects by getting comfortable with JavaScript. It helps you learn the core principles of JavaScript like variables, data types, conditions, and advanced topics like loops, DOM scripting, etc. This course will also help you understand JavaScript programming through practical examples and mini-projects.

Modern JavaScript For Beginners

Key topics:

  • Where To Add Javascript
  • Mixing Strings With Variables
  • Mixing Strings With Variables
  • Data Types: Boolean, Null & Undefined
  • Operators: Assignment & Comparison
  • Introduction To Objects
  • Introduction To Properties, Methods & The Prototype


  • 1 project assignment for practice
  • Access to tablet and phone
  • Digital certificate on completion

Enroll Now >>

13) JavaScript: The Advanced Concepts (Udemy)

Specs: Rating: 4.7 | Duration: 25 hours on-demand video | Certification: Yes

JavaScript: The Advanced Concepts is an online course where you will learn beyond just basics like other JavaScript online courses. You will learn patterns, methods, and best practices for JavaScript. This online course also helps you become a JavaScript developer by going beyond the simple basics that many courses cover. This JavaScript training helps you become a confident advanced JavaScript developer.

JavaScript: The Advanced Concepts

Key topics:

  • Advanced JavaScript Practices
  • Object-Oriented Programming
  • Functional Programming
  • Scope and Execution Context
  • Inheritance + Prototype Chain
  • Latest features: ES6, ES7, ES8, ES9, ES10, ES2020
  • Asynchronous JavaScript + Event Loop
  • JavaScript Modules
  • JavaScript Engine and Runtime
  • Error Handling
  • Stack Overflow
  • Composition vs. Inheritance
  • Type Coercion
  • Pass By Reference vs. Pass by Value
  • Higher-Order Functions
  • Interpreter/ Compiler/ JIT Compiler
  • Garbage Collection
  • JavaScript best practices


  • 32 articles
  • 2 downloadable resources
  • 1 coding exercise
  • Access on mobile and TV

Enroll Now >>

14) JavaScript: Understanding the Weird Parts (Udemy)

Specs: Rating: 4.7 | Duration: 12 hours on-demand video | Certification: Yes | Prerequisites: Those with basic Javascript skills who wish to improve

JavaScript: Understanding the Weird Parts is an online programming course. It helps you to gain a deep understanding of JavaScript, learn how JavaScript works, and how your JavaScript knowledge helps you avoid specific issues and improve your ability to debug problems.

This JavaScript course covers advanced concepts like objects and object literals, functional expressions, prototypical inheritance, functional programming, scope chains, apply, bind, and more.

JavaScript: Understanding the Weird Parts

Key topics:

  • Write solid, good JavaScript code
  • How to avoid common issues and mistakes that other JavaScript coders make.
  • Understand advanced concepts like prototypal inheritance closures, IIFEs, etc.
  • You can improve your ability to debug problems in JavaScript.
  • How to build your JavaScript framework or library.


  • 7 articles
  • 50 downloadable resources
  • Full lifetime access
  • Access on mobile and TV

Enroll Now >>

Other Useful Programming Resources you may like to explore


❓ Do I get a Printable Certificate?

Yes, you will get a printable certificate in many courses. Some course providers will ship a hard copy of the certificate to your desired address.

⚡ What eligibility is required to join a JavaScript course?

For most of the courses:

  • No previous JavaScript experience is necessary.
  • Basic knowledge of HTML and CSS.
  • Basic computer skills and Internet access.
  • Desire to learn about JavaScript.

🏅 What if I miss a class?

All the classes are recorded and can be replayed later.

🚀 What if I do not like a JavaScript course I purchased?

There are many courses that come with a 30-day return policy or have a 7-day free trial.

👉 How can I ask my doubts or questions?

Most courses have a forum that allows you to raise questions that are frequently answered by course authors.

❗ Why Learn JavaScript?

Here are some prominent reasons to learn JavaScript:

JavaScript is easy to use:

The most prominent reason to use JavaScript by new developers is that it is a higher-level language. So many complexities of your code are done by the machine instead of in your own.

JavaScript offers a simple syntax that resembles the English language, making it easy to build strong mental connections to your covering programming concepts.

JavaScript is versatile:

JavaScript helps you add many interactive features to a website, from video players to functional buttons and images that change when clicked.

So-called “vanilla JavaScript” (where you only use JavaScript) is only part of coding in JavaScript. So if you have mastered the basics of JavaScript, you can extend your skills and use them to master a library like Angular, React.js, and Vue.js. These technologies are all widely used for web development.

You can also use the skills which you have mastered while learning JavaScript with a framework like Node.js to build back-end web apps. Or you can use your JavaScript skills with React Native or other mobile frameworks to build a mobile app.

JavaScript developers are in high demand:

Whether or not you are looking to start a career in the development field. It is always comforting to know that your JavaScript skills can be easily transformed when needed. JavaScript is a crucial part of the Internet that many companies are constantly looking for talented developers with JavaScript proficiency.

💥 What are the best JavaScript Certifications?

❓ What are the prerequisites for the JavaScript course?

Here are the prerequisites:

  • Basic knowledge of HTML and CSS.
  • Knowledge of basic JavaScript.

🚀 Can a person without prior experience in programming learn JavaScript?

Yes, JavaScript can be learned without any prior experience.