What is JavaScript, and why is it important?

JavaScript is a versatile programming language primarily used for web development. It enables interactive web pages and is an essential part of web applications alongside HTML and CSS. Its importance lies in its ability to create dynamic content, control multimedia, animate images, and much more, making it a cornerstone of modern web development.

What jobs can I get with JavaScript skills?

With skills in JavaScript, you can pursue various job roles, including front-end developer, back-end developer, full-stack developer, web developer, and software engineer. Companies across industries seek professionals who can leverage JavaScript to enhance user experience and build robust applications.

What are the best JavaScript courses online?

Some of the best online JavaScript courses include the IBM Full-Stack JavaScript Developer Professional Certificate and the Become a JavaScript Developer Specialization . These programs offer structured learning paths and hands-on projects to build your skills.

Can I study JavaScript for free on Coursera?

Yes. You can start learning javascript on Coursera for free in two ways: Preview the first module of many javascript courses at no cost. This includes video lessons, readings, graded assignments, and Coursera Coach (where available). Start a 7-day free trial for Specializations or Coursera Plus. This gives you full access to all course content across eligible programs within the timeframe of your trial. If you want to keep learning, earn a certificate in javascript, or unlock full course access after the preview or trial, you can upgrade or apply for financial aid.

How do I learn JavaScript?

To learn JavaScript, start with online courses or tutorials that provide a structured approach. Practice coding regularly, work on small projects, and gradually increase the complexity of your tasks. Engaging with coding communities can also provide support and motivation.

What topics are typically covered in JavaScript courses?

Typical topics covered in JavaScript courses include syntax and operators, functions, objects, arrays , the Document Object Model ( DOM ), event handling, and AJAX . Advanced courses may also cover frameworks, libraries, and best practices for writing efficient code.

What JavaScript courses are best for training and upskilling employees or the workforce?

For training and upskilling employees, the IBM JavaScript Backend Professional Certificate and the Microsoft JavaScript Starter Kit Professional Certificate are excellent choices. These programs are designed to equip learners with practical skills applicable in the workplace.

Best JavaScript Courses & Certificates [2026]

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Javascript

JavaScript Courses

JavaScript courses can help you learn programming fundamentals, DOM manipulation, asynchronous programming, and event-driven development. You can build skills in debugging, working with APIs, and creating interactive web applications. Many courses introduce tools like Node.js for server-side development, React for building user interfaces, and Git for version control, showing how these skills come together in real-world projects.

Popular JavaScript Courses and Certifications

Status: Free Trial
Meta
Programming with JavaScript
Skills you'll gain: Jest (JavaScript Testing Framework), Web Development Tools, Javascript, Unit Testing, Web Applications, Object Oriented Programming (OOP), Scripting Languages, Event-Driven Programming, Node.JS, Scripting, JSON, Computer Programming, Data Structures, Debugging, Package and Software Management, Program Development, Front-End Web Development, Functional Design
4.7
Rating, 4.7 out of 5 stars
4.9K reviews
Beginner · Course · 1 - 3 Months
Status: Free Trial
IBM
Introduction to HTML, CSS, & JavaScript
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), Web Development, Javascript, Bootstrap (Front-End Framework), Scripting, Browser Compatibility, Application Programming Interface (API), Back-End Web Development
4.4
Rating, 4.4 out of 5 stars
716 reviews
Beginner · Course · 1 - 4 Weeks
Status: New
Status: Free Trial
Packt
Interactive UI & Animation with Advanced JavaScript
Skills you'll gain: UI Components, Responsive Web Design, Web Design, Cascading Style Sheets (CSS), User Interface (UI), Interactive Design, Javascript, Front-End Web Development, Hypertext Markup Language (HTML), Animations, Web Development, Web Applications, Real Time Data
Intermediate · Course · 3 - 6 Months
Status: Free Trial
University of California, Davis
JavaScript for Beginners
Skills you'll gain: jQuery, Javascript and jQuery, Ajax, Javascript, Data Manipulation, Data Validation, UI Components, HTML and CSS, Scripting, JSON, Scripting Languages, Event-Driven Programming, Web Development Tools, JavaScript Frameworks, Web Applications, Web Design and Development, Game Design, Application Programming Interface (API), Object Oriented Programming (OOP), Animations
4.7
Rating, 4.7 out of 5 stars
1.1K reviews
Beginner · Specialization · 3 - 6 Months
Status: Free Trial
IBM
IBM Full-Stack JavaScript Developer
Skills you'll gain: Software Development Life Cycle, Istio, Software Architecture, Node.JS, Application Deployment, Restful API, React Redux, Kubernetes, Database Design, CI/CD, Cloud-Native Computing, Responsive Web Design, NoSQL, OpenShift, Git (Version Control System), Cloud Applications, Ajax, Javascript, Azure DevOps, Engineering Software
4.6
Rating, 4.6 out of 5 stars
8.9K reviews
Beginner · Professional Certificate · 3 - 6 Months
Status: Free Trial
Scrimba
Advanced JavaScript
Skills you'll gain: Ajax, Object Oriented Programming (OOP), Javascript, JSON, Application Programming Interface (API), Scripting, Software Design Patterns, Data Management, Data Structures, Event-Driven Programming, Data Validation, Prototyping, Programming Principles, Web Development, Software Development, Debugging, Software Engineering, Performance Tuning
4.6
Rating, 4.6 out of 5 stars
17 reviews
Intermediate · Specialization · 1 - 3 Months

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Status: Free Trial
IBM
JavaScript Programming Essentials
Skills you'll gain: Ajax, Javascript, Data Structures, Debugging, JSON, Scripting, Web Development, Web Applications, Computer Programming, Front-End Web Development, HTML and CSS, Event-Driven Programming, Software Development, Object Oriented Programming (OOP), Git (Version Control System), Application Programming Interface (API)
4.6
Rating, 4.6 out of 5 stars
163 reviews
Beginner · Course · 1 - 3 Months
Status: Free Trial
IBM
JavaScript Programming with React, Node & MongoDB
Skills you'll gain: Node.JS, Restful API, React Redux, Database Design, React.js, Ajax, Database Development, Database Application, Server Side, Full-Stack Web Development, Back-End Web Development, NoSQL, Javascript, JavaScript Frameworks, Front-End Web Development, API Design, Cloud Applications, Data Structures, MongoDB, Debugging
4.4
Rating, 4.4 out of 5 stars
1.4K reviews
Beginner · Specialization · 3 - 6 Months
Status: Free Trial
Johns Hopkins University
HTML, CSS, and Javascript for Web Developers
Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), Ajax, Javascript, Responsive Web Design, Front-End Web Development, Web Design, Bootstrap (Front-End Framework), Hypertext Markup Language (HTML), Web Development, Development Environment, Web Design and Development, JSON, Web Applications, Web Content Accessibility Guidelines, Scripting, Browser Compatibility, Object Oriented Programming (OOP), Event-Driven Programming, User Interface and User Experience (UI/UX) Design
4.7
Rating, 4.7 out of 5 stars
17K reviews
Beginner · Specialization · 1 - 3 Months
Status: Free Trial
Scrimba
Learn JavaScript
Skills you'll gain: JSON, Event-Driven Programming, Javascript, Mobile Development, Data Structures, Object Oriented Programming (OOP), Web Applications, Programming Principles, Data Storage Technologies, Computer Programming, Data Storage, Front-End Web Development, User Interface (UI), Web Development, Debugging
4.7
Rating, 4.7 out of 5 stars
148 reviews
Beginner · Course · 1 - 3 Months
Status: New
Status: Free Trial
Microsoft
Introduction to JavaScript Programming
Skills you'll gain: Game Design, Software Development, Development Environment, Software Documentation, Data Validation, Javascript, Debugging, Maintainability, Data Structures, Software Design, Computer Programming, Data Management
3.9
Rating, 3.9 out of 5 stars
7 reviews
Beginner · Course · 1 - 4 Weeks
Status: Free Trial
University of Michigan
Interactivity with JavaScript
Skills you'll gain: Javascript, Interactive Design, HTML and CSS, Web Design and Development, Web Content Accessibility Guidelines, Event-Driven Programming, Web Applications, User Interface (UI), Web Development, Data Structures, Programming Principles, Debugging, Data Validation
4.7
Rating, 4.7 out of 5 stars
7.4K reviews
Beginner · Course · 1 - 4 Weeks

Searches related to javascript

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In summary, here are 10 of our most popular javascript courses

Programming with JavaScript: Meta
Introduction to HTML, CSS, & JavaScript: IBM
Interactive UI & Animation with Advanced JavaScript: Packt
JavaScript for Beginners: University of California, Davis
IBM Full-Stack JavaScript Developer: IBM
Advanced JavaScript: Scrimba
JavaScript Programming Essentials: IBM
JavaScript Programming with React, Node & MongoDB: IBM
HTML, CSS, and Javascript for Web Developers: Johns Hopkins University
Learn JavaScript: Scrimba

Skills you can learn in Mobile And Web Development

Web (13)

Mobile App (9)

Mobile Application Development (8)

Web Development (8)

Android Software Development (7)

CSS (6)

Programming Language (6)

Frequently Asked Questions about Javascript

Yes. You can start learning javascript on Coursera for free in two ways:

Preview the first module of many javascript courses at no cost. This includes video lessons, readings, graded assignments, and Coursera Coach (where available).
Start a 7-day free trial for Specializations or Coursera Plus. This gives you full access to all course content across eligible programs within the timeframe of your trial.

If you want to keep learning, earn a certificate in javascript, or unlock full course access after the preview or trial, you can upgrade or apply for financial aid.‎

This FAQ content has been made available for informational purposes only. Learners are advised to conduct additional research to ensure that courses and other credentials pursued meet their personal, professional, and financial goals.