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: Core Data (Software), Restful API, Apple iOS, iOS Development, JSON, Swift Programming, Application Programming Interface (API), Data Import/Export, Mobile Development, Application Development, Data Persistence, Authentications
★ 4 (52) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ASP.NET, Restful API, .NET Framework, JSON, C# (Programming Language)
★ 3.9 (44) · Intermediate · Course · 1 - 4 Weeks

Accenture
Skills you'll gain: Data Literacy, Computer Literacy, Microsoft Excel, Data Security, digital literacy, Telecommuting, Data Analysis, Data-Driven Decision-Making, Excel Formulas, Programming Principles, Spreadsheet Software, Web Language, Emerging Technologies, Data Collection, Computer Security Awareness Training, Digital Communications, Scripting Languages, Web Development, Javascript, Python Programming
★ 4.6 (34) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Databricks, Data Lakes, Data Pipelines, Data Integration, JSON, Dashboard, SQL, Data Manipulation, Apache Spark, Dashboard Creation, Big Data, Data Management, Data Transformation, Data Architecture, Version Control
★ 4.1 (32) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Frontend Integration, API Testing, React.js, Authentications, Containerization, OAuth, Cloud Deployment, Back-End Web Development, PostgreSQL, API Gateway, Software Documentation, Amazon Web Services, Event-Driven Programming, Front-End Web Development, Python Programming, Database Management, Restful API, Object-Relational Mapping, SQL, API Design
★ 4.2 (25) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Power Automate/Flow, Microsoft Power Platform, Data Analysis Expressions (DAX), Power Apps Component Framework, Power BI, Microsoft Azure, Dashboard, Dashboard Creation, Business Workflow Analysis, Process Analysis, Microsoft Copilot, AI Workflows, Business Process Automation, Workflow Management, Process Optimization, Automation, Microsoft Visual Studio, Restful API, Application Lifecycle Management, JSON
★ 2.8 (23) · Intermediate · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Prompt Engineering, LangChain, LLM Application, Memory Management, AI Workflows, Vector Databases, Scalability, User Interface (UI), Embeddings, Database Application, Data Store, Retrieval-Augmented Generation, Databases, Large Language Modeling, Performance Tuning, Maintainability, Data Storage, Data Preprocessing
★ 4.7 (54) · Intermediate · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Vibe coding, AI Workflows, Generative AI Agents, Software Development Tools, Application Development, GitHub, Code Review, AI Personalization, Software Development, Generative AI, Artificial Intelligence, Web Development Tools, Web Development, Software Engineering, Responsible AI, Design Software, Front-End Web Development, Javascript, React.js
★ 4.4 (50) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP)
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Web Scraping, Extract, Transform, Load, Data Manipulation, Data Wrangling, Data Preprocessing, Data Validation, Data Processing, Data Ethics, Data Import/Export, Data Cleansing, SQL, Data Transformation, JSON, Query Languages, Data Pipelines, Pandas (Python Package), Data Collection, Generative AI, Relational Databases, Unstructured Data
★ 4.5 (23) · Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Postman API Platform, Restful API, Authentications, Application Programming Interface (API), Scripting, JSON, Extensible Languages and XML, IT Automation, Extensible Markup Language (XML), API Testing, Network Protocols, YAML, Network Monitoring, Automation, Network Engineering, Scripting Languages, Python Programming, Real Time Data
★ 4.6 (36) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, Routing Protocols, Code Reusability, JavaScript Frameworks, Frontend Performance, Web Content Accessibility Guidelines, UI Components, Debugging, Javascript, Context Management, Authentications, Data Management
★ 4.8 (36) · Advanced · Course · 1 - 3 Months