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.

Skills you'll gain: Apache Spark, Data Persistence, Big Data, Data Processing, Distributed Computing, Data Import/Export, JSON, Data Transformation, Performance Tuning
Mixed · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Data Security, Cybersecurity, Cyber Attacks, Web Applications, Threat Detection, Security Awareness, Vulnerability Management, Encryption, Authentications, Authorization (Computing), PHP (Scripting Language)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Dataflow, Data Pipelines, Real Time Data, Data Processing, Jupyter, File I/O, Google Cloud Platform, JSON, Application Programming Interface (API), SQL, Analytics
Advanced · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Web Scraping, Research Design, Matplotlib, Research, Data Ethics, Data Processing, Data Collection, Seaborn, Text Mining, Data Science, Data Visualization Software, Pandas (Python Package), JSON, Application Programming Interface (API), Data Analysis, Python Programming, Natural Language Processing
Build toward a degree
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, Responsive Web Design, Front-End Web Development, React.js, HTML and CSS, Web Components, UI Components, Frontend Integration, JavaScript Frameworks, Javascript and jQuery, Web Development, Cascading Style Sheets (CSS), User Interface (UI), TypeScript, Context Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Authentications, UI Components, Full-Stack Web Development, Authorization (Computing), File Management, React.js, Application Deployment, Development Environment, JavaScript Frameworks, Web Applications, Amazon Web Services, User Interface (UI), Software Development Tools, Content Management, Data Modeling
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Cloud Deployment, Application Deployment, ASP.NET, Microsoft Azure, Software Architecture, Authentications, Application Design, User Interface (UI), Application Development, Database Development, Maintainability, Web Servers, Debugging, Data Validation
Advanced · Course · 1 - 3 Months

Skills you'll gain: Cascading Style Sheets (CSS), Responsive Web Design, Web Design, Web Design and Development, Hypertext Markup Language (HTML), Usability, Front-End Web Development, User Interface (UI), Javascript, Web Content, User Experience, Animations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Business Logic, User Interface (UI), Application Development, Web Applications, Software Design
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: LLM Application, Prompt Engineering, Performance Tuning, Performance Testing, Tool Calling, Responsible AI, A/B Testing, Application Performance Management, Retrieval-Augmented Generation, Model Evaluation, OpenAI API, Scalability, API Design
Intermediate · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Prompt Engineering, Hugging Face, Generative AI, JSON
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Design and Development, Responsive Web Design, Development Environment, User Accounts, User Interface (UI), Debugging
Intermediate · Course · 1 - 3 Months