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.

CertNexus
Skills you'll gain: Application Security, Human Factors (Security), Secure Coding, Open Web Application Security Project (OWASP), Vulnerability, Computer Security, Vulnerability Management, Vulnerability Assessments, Data Security, Security Strategy, Security Controls, Cyber Security Strategy, Application Design, Computer Programming, Design, Python Programming, Javascript, Design Strategies, JavaScript Frameworks, Node.JS
Mixed Ā· Course Ā· 1 - 4 Weeks

Universitat PolitĆØcnica de ValĆØncia
Skills you'll gain: Computational Thinking, Computer Programming, Programming Principles, Algorithms, Web Applications, Object Oriented Programming (OOP), Information Technology, Information Systems, Data Structures, Javascript, SQL, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Databases
Beginner Ā· Course Ā· 1 - 3 Months

Skills you'll gain: React Redux, React.js, UI Components, User Interface (UI), Front-End Web Development, Scalability, Web Applications, Development Environment, Web Development Tools, Javascript, Data Management, Debugging
Beginner Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Postman API Platform, JUnit, Test Automation, API Testing, Software Quality Assurance, Test Tools, Test Script Development, Quality Assurance, Unit Testing, Software Testing, Continuous Integration, Automation, Data Validation, Performance Testing, Test Case, Agile Methodology, Integration Testing, Debugging, Javascript
Intermediate Ā· Specialization Ā· 1 - 3 Months

Skills you'll gain: Application Security, Secure Coding, Security Testing, Open Web Application Security Project (OWASP), Vulnerability, Software Testing, Computer Security, Vulnerability Management, Data Security, Security Strategy, Unit Testing, Human Factors (Security), Application Design, Information Privacy, Computer Programming, Python Programming, Node.JS, Javascript, Design Strategies, JavaScript Frameworks
Intermediate Ā· Specialization Ā· 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, HTML and CSS, Data Structures, Spring Boot, Eclipse (Software), Restful API, Java Programming, Object Oriented Programming (OOP), Model View Controller, Java, Front-End Web Development, Spring Framework, Object Oriented Design, Integrated Development Environments, Javascript, Software Design Patterns, Web Components, Development Environment, Web Applications, Cascading Style Sheets (CSS)
Intermediate Ā· Specialization Ā· 1 - 3 Months

Skills you'll gain: Anthropic Claude, Application Programming Interface (API), Restful API, LLM Application, JSON, Generative AI Agents, Artificial Intelligence, Automation
Intermediate Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: Business Logic, User Interface (UI), Application Development, Web Applications, Software Design
Beginner Ā· Course Ā· 1 - 4 Weeks

Skills you'll gain: React Redux, React Native, React.js, Application Development, Scalability, Data Validation, UI Components, Web Applications, Mobile Development, Data Persistence, Business Logic, Application Design, Front-End Web Development, Authentications, User Interface (UI), User Experience Design, Software Design, User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Node.JS
Beginner Ā· Specialization Ā· 3 - 6 Months

Skills you'll gain: iOS Development, Apple iOS, Swift Programming, Application Lifecycle Management, UI Components, Application Design, Application Development, Application Programming Interface (API), Data Persistence, User Interface (UI), Mobile Development, Web Services, Secure Coding, Authentications, User Interface (UI) Design, Programming Principles, User Flows, Data Validation, Data Management, JSON
Beginner Ā· Specialization Ā· 3 - 6 Months

Skills you'll gain: AWS Identity and Access Management (IAM), Linux Administration, Amazon Elastic Compute Cloud, Linux Servers, Cloud Deployment, Cloud Infrastructure, Amazon Web Services, Cloud Hosting, Cloud Computing, Front-End Web Development, Cloud Management, Linux, Ubuntu, Operating System Administration, Application Deployment, React.js, Event-Driven Programming, Javascript, User Interface (UI), Apache
Intermediate Ā· Specialization Ā· 3 - 6 Months

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