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.

John Wiley & Sons
Skills you'll gain: Threat Modeling, Secure Coding, Application Security, DevSecOps, Open Web Application Security Project (OWASP), Cybersecurity, Security Testing, Mobile Security, Software Development Life Cycle, Cryptographic Protocols, Security Controls, Computer Security, Vulnerability Assessments, Continuous Monitoring, Vulnerability Management, Computer Programming, C and C++, Java Programming, Python Programming, C (Programming Language)
Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Spatial Data Analysis, Geographic Information Systems, Package and Software Management, Scripting, Statistical Analysis, Probability & Statistics, Statistical Methods, JSON, Image Analysis, Data Validation, Web Scraping, Intelligence Collection and Analysis, Data Analysis, Statistics, Python Programming, Correlation Analysis, Data Processing, Restful API, File Transfer Protocol (FTP), Open Source Technology
Beginner · Course · 1 - 3 Months

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: Angular, Frontend Performance, Dataflow, Memory Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, User Interface (UI), Cascading Style Sheets (CSS), User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Web Applications, Web Development, Front-End Web Development, HTML and CSS, Javascript, Web Design, Real Time Data, Hypertext Markup Language (HTML), Application Programming Interface (API), Event-Driven Programming, Animations
Advanced · Course · 3 - 6 Months

Skills you'll gain: Cloud Deployment, Application Deployment, Cloud Hosting, Cloud Applications, ASP.NET, Microsoft Azure, Software Architecture, Authentications, .NET Framework, Application Design, Software Design, User Interface (UI), Identity and Access Management, Microsoft Development Tools, User Interface (UI) Design, UI Components, Application Development, Database Development, Maintainability, Model View Controller
Advanced · Course · 1 - 3 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Data Visualization, Data Literacy, Statistical Visualization, Technical Communication, Probability & Statistics, Web Scraping, Data Import/Export, JSON, Analysis, Statistical Analysis, Pandas (Python Package), Analytical Skills, Descriptive Statistics, Data Manipulation, Probability, Data Processing, Data Capture, Performance Measurement, Data Cleansing, Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React.js, ChatGPT, Application Deployment, JavaScript Frameworks, OpenAI API, Cloud Deployment, AI Integrations, Front-End Web Development, Frontend Integration, Data Persistence, UI Components, Application Programming Interface (API), User Interface (UI), Cascading Style Sheets (CSS), Data Storage Technologies, User Experience Design, Configuration Management
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Angular, Jest (JavaScript Testing Framework), Unit Testing, JavaScript Frameworks, Web Development Tools, TypeScript, Front-End Web Development, Frontend Performance, Software Architecture, Performance Tuning, Full-Stack Web Development, Scalability, Enterprise Application Management, Web Development, Application Deployment, Software Design Patterns, Maintainability, Data Validation, Web Content Accessibility Guidelines, Back-End Web Development
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Vue.JS, UI Components, User Interface (UI), User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, JavaScript Frameworks, Role-Based Access Control (RBAC), Front-End Web Development, Authentications, Web Applications, Web Components, Authorization (Computing), Web Development Tools, Real Time Data, Responsive Web Design, Development Environment, Data Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Literacy, JSON, Data Transformation, Financial Data, Data Wrangling, Data Import/Export, Automation, Unstructured Data, Data Cleansing, Dashboard, Extract, Transform, Load, Financial Reporting, Data Structures, Data Pipelines, Data Governance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Restful API, Ajax, Full-Stack Web Development, API Design, Node.JS, Postman API Platform, Web Applications, Application Programming Interface (API), Back-End Web Development, Web Servers, Web Development Tools, Frontend Integration, API Testing, Web Development, Javascript, Front-End Web Development, Middleware, Code Reusability, Maintainability
Advanced · Course · 1 - 3 Months