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: Exploitation techniques, Penetration Testing, Secure Coding, Web Applications, Full-Stack Web Development, Vulnerability Assessments, Application Security, Angular, Ajax, Javascript
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Conversion Funnel Analysis, Data Preprocessing, Apache Airflow, Star Schema, Data Storytelling, Extract, Transform, Load, Data Transformation, SQL, Data Pipelines, JSON, Apache Kafka, Data Warehousing, Data Modeling, Pandas (Python Package), Business Intelligence, Data Validation, Data Quality, Performance Improvement, Python Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: React.js, Context Management, Event-Driven Programming, Web Applications, JavaScript Frameworks, UI Components, Javascript
★ 4.3 (7) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud Deployment, Software Development Methodologies, Open Web Application Security Project (OWASP), CI/CD, Application Deployment, DevOps, Development Environment, Continuous Integration, Ansible, TCP/IP, Docker (Software), OSI Models, General Networking, Networking Hardware, Computing Platforms, Application Programming Interface (API), Version Control, IT Automation, Software Design Patterns, JSON
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Data Integration, Data Cleansing, File I/O, Data Pipelines, Data Quality, Database Management, Data Transformation, Data Integrity, File Management, Data Import/Export, JSON, Extensible Markup Language (XML), Software Installation, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Deployment, Cloud Development, Application Deployment, Microsoft Azure, JSON, Cloud Applications, Serverless Computing, Application Programming Interface (API), Cloud Computing, C# (Programming Language), Restful API, Web Services, Cloud Storage
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Event-Driven Programming, Javascript, Application Programming Interface (API), Game Design, Restful API, Software Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud API, Google Cloud Platform, Natural Language Processing, API Testing, Cloud Applications, JSON, Communication
Beginner · Project · Less Than 2 Hours

Skills you'll gain: React.js, Front-End Web Development, Javascript, Web Development, Software Engineering
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Frontend Performance, Web Frameworks, Web Development Tools, React.js, Web Components, JavaScript Frameworks, Front-End Web Development, HTML and CSS, Web Development, Cascading Style Sheets (CSS)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Selenium (Software), Test Automation, Software Testing, Test Script Development, Test Case, Test Execution Engine, Javascript and jQuery, Automation, Code Reusability, Software Design Patterns, UI Components
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: React.js, Code Reusability, UI Components, Maintainability, Javascript, Software Design Patterns, Programming Principles, Context Management
Advanced · Course · 1 - 4 Weeks