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: File I/O, JSON, Package and Software Management, Authorization (Computing), Web Scraping, Application Programming Interface (API), Python Programming, Authentications, Object Oriented Programming (OOP), Data Processing, Simulations, Data Management, Probability & Statistics
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Secure Coding, Cloud Deployment, Database Development, Maintainability, Server Side, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML), Web Design, Semantic Web
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Frontend Integration, Frontend Performance, Node.JS, Application Performance Management
Advanced · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, Responsive Web Design, Front-End Web Development, React.js, HTML and CSS, UI Components, Web Design and Development, JavaScript Frameworks, Web Development, TypeScript, Context Management
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, Web Content Accessibility Guidelines, Game Design, Front-End Web Development, Application Programming Interface (API), User Interface (UI), Web Components, Usability, JavaScript Frameworks, Web Development Tools, Web Frameworks, Debugging, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Data Pipelines, Apache Kafka, Real Time Data, Performance Tuning, Business Logic, Data Processing, File I/O, Jupyter, Google Cloud Platform, SQL, JSON, Analytics
Advanced · Course · 1 - 3 Months

Skills you'll gain: WordPress, Ajax, Content Management Systems, Web Development, PHP (Scripting Language), Database Development, MySQL, Javascript and jQuery, Database Management, Cascading Style Sheets (CSS), User Accounts
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Hypertext Markup Language (HTML), Web Development, Web Applications, Interactive Data Visualization, Cascading Style Sheets (CSS), Web Design, Javascript, Data Validation, Web Content, Animations
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Microsoft Power Automate/Flow, Microsoft Power Platform, No-Code Development, Workflow Management, Process Improvement, Business Process Automation, Application Development, Decision Making, Design Software, Application Deployment, React.js, Power Electronics, Systems Integration, Governance
Intermediate · Course · 1 - 4 Weeks

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