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Advanced JavaScript Development
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Advanced JavaScript Development

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Free JavaScript Courses

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Introduction to TypeScript
star   4.52 3.3K+ learners 1.5 hrs
Introduction to TypeScript

Skills: Typescript, Javascript, Objects, Functions, Modules, Variables.

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JQuery Tutorial
star   4.42 13.3K+ learners 1 hr
JQuery Tutorial

Skills: jQuery Fundamentals

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free icon BASICS
Introduction to TypeScript
Introduction to TypeScript
star   4.52 3.3K+ learners 1.5 hrs

Skills: Typescript, Javascript, Objects, Functions, Modules, Variables.

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free icon BASICS
JQuery Tutorial
JQuery Tutorial
star   4.42 13.3K+ learners 1 hr

Skills: jQuery Fundamentals

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Learn JavaScript For Free

These free online JavaScript courses cover core JavaScript concepts through TypeScript and jQuery, giving beginners a practical starting point for working with modern web scripting. Whether you are learning variables, objects, functions, modules, and TypeScript basics, or building familiarity with jQuery fundamentals, these courses teach the essential concepts needed to understand how JavaScript works and how it supports interactive web development.


Starting with these fundamentals, you will learn how to write more structured JavaScript, organize code with modules and functions, and understand how jQuery simplifies common scripting tasks. These skills help you build a stronger coding foundation, write cleaner front-end logic, and prepare for further work in JavaScript, TypeScript, and web development tools.

Skills You’ll Gain in These Best Free JS Courses

  • JavaScript Basics: Variables (let, const), Data Types, and Control Flow (if/else, loops).

  • Functions: Scope, Closures, and Arrow functions.

  • DOM Manipulation: Dynamically altering HTML and CSS to create interactive pages.

  • Asynchronous JS: Working with Promises, async/await, and fetching data from APIs.

  • ES6+ Features: Destructuring, spread operators, and modern modules.

  • Object-Oriented Programming (OOP): Classes, inheritance, and prototypes.
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Learner reviews of the Free JavaScript Courses

Our learners share their experiences of our courses

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Reviewer Profile
kaoutar elmoumnaoui

5.0

★★★★ ★
Country Flag Morocco
“Key Lessons from My In-Depth Learning of TypeScript, the Superset of JavaScript”
My experience with TypeScript, the superset of JavaScript, has been highly insightful, especially in terms of improving code reliability and maintainability. TypeScript’s static typing catches errors early, preventing many bugs that would only be found at runtime in JavaScript. The use of interfaces and generics allows for better code organization and flexibility, making large-scale projects more manageable. Its seamless integration with popular IDEs like Visual Studio Code further enhances developer productivity by providing features like type checking and auto-completion. This structured approach helps to maintain cleaner and more robust codebases.
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Reviewer Profile
Nahiya Nasir

4.0

★★★ ★ ☆
“ I would highly recommend this to anyone looking to advance their skills, switch careers, gain knowledge”
I recently completed typescript and it exceeded my expectations in many ways. The content was well-structured, comprehensive, and delivered in an engaging manner. The instructors demonstrated expertise in the subject matter and provided clear, real-world examples that enhanced my understanding.
Read more
Reviewer Profile
Abu Rahat Shaum

4.0

★★★ ★ ☆
“he TypeScript course offered by Great Learning is a solid choice for those who want to enhance their programming skills and gain a deeper understanding of TypeScript.”
The TypeScript course on Great Learning is a well-structured and beginner-friendly option for those looking to enhance their JavaScript skills with TypeScript. It covers fundamental and intermediate concepts effectively, making it suitable for learners transitioning to TypeScript. However, it may lack depth for advanced users seeking more specialized applications
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Reviewer Profile
Albert Yeo Boon Leong

5.0

★★★★ ★
Country Flag Singapore
“Clear teaching and easy to follow the lessons”
Although I do not have experience and knowledge in this area, I can follow the lessons.
Read more
Reviewer Profile
Bharath U

5.0

★★★★ ★
Country Flag India
“Good Introductory Course on TypeScript”
This course provided a solid foundation for understanding TypeScript, making complex concepts easy to grasp. The examples were clear, and the hands-on exercises helped reinforce the learning. Highly recommended for beginners!
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Reviewer Profile
Cs Cher

4.0

★★★ ★ ☆
“The courses are engaging and cover a wide range of topics. ”
The courses are engaging and cover a wide range of topics. The instructors are knowledgeable, and the community forums are great for getting help. It's convenient to learn at my own pace. Highly recommend
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Reviewer Profile
Poushali Sangma linkedin icon

5.0

★★★★ ★
“TypeScript Types, Objects, and Basic Knowledge”
Though it is a short course, the general view of this language is pretty clear.
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Reviewer Profile
Santosh Raju Adap

4.0

★★★ ★ ☆
Country Flag India
“Working with TypeScript Enhanced My Ability”
I appreciate TypeScript's strong typing system, which helps catch errors early, improves code maintainability, and enhances collaboration in larger projects.
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Reviewer Profile
Ausaf Elahi

5.0

★★★★ ★
“Amazing Course & Easy to Understand”
Amazing course and the most amazing thing is that I understand the concept of the course. It's a game changer for me to learn. I recommend taking this course if you want to start as a beginner.
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Reviewer Profile
Sakshi Baban Suryavanshi

5.0

★★★★ ★
Country Flag India
“TypeScript Learning Tutorial and Certification”
This TypeScript learning tutorial and certification course was incredibly well-structured and beginner-friendly. It covered all the key concepts.
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Meet your faculty

Meet industry experts who will teach you relevant skills in artificial intelligence

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Mr. Faizan Parvez

Faizan has been working as an Instructor of Data Structure and Algorithm for the last 1 year. He has expertise in languages such as Java , JavaScript etc. He is a Subject Matter Expert in the field Computer Science and a competitive programmer. He has been working in the technical content development and is a Research Analyst .
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Frequently Asked Questions

Does these JavaScript courses include any certification?

These JavaScript courses provides a certificate of completion after finishing, not a professional certification.

What are the prerequisites to learn these JavaScript courses?

HTML and CSS are the foundation of working with Javascript. So, you will need to have a basic understanding of working with them to learn these free online JavaScript courses. 

How to learn JavaScript step by step for free?

Begin with learning HTML and CSS. If you are already familiar with these technologies, you can follow concepts from this suite to learn Javascript online for free. 
 

How long does it take to complete these JavaScript courses?

These courses range from 2-3 hours. But you can learn them at your leisure since the courses are self-paced. 
 

Will I get certificates after completing these free JavaScript courses?

Yes, you will receive JavaScript certificates for each of these courses after successfully completing them. 
 

What knowledge and skills will I gain upon completing these free JavaScript courses?

After completing these courses, you will have a thorough knowledge of working with JavaScript properties, variables, conditional statements, loops, operators, arrays, and functions. You will also develop skills to work with real-time problems through demonstrated JavaScript projects from these courses. 

Will I have lifetime access to these JavaScript courses with certificates?

Yes, you will have lifetime access to these JavaScript courses after you have successfully enrolled in them. These free JavaScript certificates also hold lifetime validity after you have successfully completed the courses. 
 

How much do these JavaScript courses cost?

These are free JavaScript courses; you can learn them online on the Great Learning Academy platform without paying. 
 

Who are eligible to take these free JavaScript courses?

Anybody with basic HTML and CSS knowledge can take these free JavaScript courses. 

What are my next learning options after these JavaScript courses?

After learning JavaScript thoroughly, you can learn from the Full Stack Developer course and earn skills to be a certified Web Developer. 

 

Is it worth learning JavaScript?

It's worthwhile since no other language is available for web development native to the web browser. Beginner programmers who want to broaden their programming knowledge and learn different languages can consider using JavaScript as a tool. Essential abilities, including object-oriented, functional, and imperative programming methods, are supported by JavaScript.
 

Why is JavaScript so popular?

JavaScript allows the construction of web applications as a whole. It is also the preferred language for many businesses since engineering teams only have to worry about one programming language, making it simpler to debug and reducing expenses throughout the development process.
 

What jobs demand you to learn JavaScript?

Learning JavaScript offers various job opportunities to both freshers and those looking to position themselves in higher designations, like:

  • Front-End Developer
  • Web Application Developer
  • JavaScript Developer 
  • UX Developer 
  • UI Developer
  • Web Designer 
  • Full Stack Developer
     

Why take JavaScript courses from Great Learning Academy?

Great Learning, a popular ed-tech firm, believes in transforming lives. Popular free online courses are offered by the Great Learning Academy initiative to help learners, trained by industry experts, excel in the fields they are interested in free of cost. More than 5 million students in 140 countries have benefited from Great Learning Academy's free online courses with certificates. Furthermore, it offers students a variety of assignments and projects to work on in order to brush up on and improve their skill set. These JavaScript-free courses help enthusiasts learn concepts from basics and also understand to work with advanced concepts online. 
 

What are the steps to enroll in these free JavaScript courses?

To learn JavaScript concepts, you need to:

  1. Go to the course page
  2. Click on the “Enroll for Free” button
  3. Start learning JavaScript courses for free online. 

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