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.

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

Skills you'll gain: Middleware, React Redux, React.js, Scalability, Application Programming Interface (API), Maintainability, Context Management, Frontend Performance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Matplotlib, Data Visualization, Plot (Graphics), Object Oriented Design, Seaborn, Scientific Visualization, File I/O, NumPy, Python Programming, Code Reusability, Pandas (Python Package), Analytical Skills, Data Analysis, Program Development, Data Import/Export, JSON, Package and Software Management, Data Manipulation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Responsive Web Design, Web Design and Development, Hypertext Markup Language (HTML), Web Development, Web Applications, Front-End Web Development, Cascading Style Sheets (CSS), Web Design, JavaScript Frameworks, Javascript, Data Validation, Web Content, Data Manipulation, User Experience
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Java Programming, Data Processing
Beginner · Course · 1 - 4 Weeks

Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Programming Interface (API), Test Execution Engine, Interactive Data Visualization, Web Applications, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computational Thinking, Algorithms, Programming Principles, Data Structures, Problem Solving, Javascript, Solution Design, Performance Tuning
Intermediate · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Apache Cassandra, Big Data, NoSQL, Apache Hadoop, Virtual Environment, VMware ESX Servers, Virtualization, Apache, Analytics, Data Storage, Database Management Systems, Distributed Computing, Databases, Command-Line Interface, Network Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Kafka, Real Time Data, Apache Spark, Data Pipelines, PySpark, Scalability, Live Streaming, Data-Driven Decision-Making, Data Lakes, Data Integration, Data Processing, Event Monitoring, Data Transformation, JSON, Application Deployment, Event Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Web Design, HTML and CSS, Web Design and Development, Bootstrap (Front-End Framework), Cascading Style Sheets (CSS), UI Components, Front-End Web Development, Hypertext Markup Language (HTML), Web Development, Javascript, Graphic and Visual Design, Typography, Web Analytics and SEO, Web Content, Web Content Accessibility Guidelines, Web Development Tools, Logo Design
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Application Deployment, React.js, Continuous Deployment, Application Development, User Interface and User Experience (UI/UX) Design, Web Applications, CI/CD, Database Development, JavaScript Frameworks, Web Development, Email Security, Database Management, Databases, UI Components, Back-End Web Development, User Interface (UI) Design, Application Programming Interface (API), SQL, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 3 Months