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: Node.JS, Server Side, Back-End Web Development, Package and Software Management, JavaScript Frameworks, Other Programming Languages, Javascript, Web Frameworks, Web Servers, Servers, Web Development, Development Environment
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: API Testing, Test Script Development, Scenario Testing, Software Testing, Test Automation, Maintainability, Verification And Validation, User Interface (UI), Security Testing, Test Data, Scalability, Debugging, Code Reusability, Authentications, Compliance Reporting, Automation
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, Performance Tuning, Frontend Performance, Application Programming Interface (API), User Interface (UI)
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Responsive Web Design, Email Automation, Order Management, UI Components, Payment Processing, Data Validation, Order Processing, User Interface (UI) Design, Web Design and Development, Search Engine Optimization, Web Applications, JavaScript Frameworks, Authentications, React.js, E-Commerce, Order Delivery, Web Analytics and SEO, PostgreSQL, Credit/Debit Card Processing
Intermediate · Specialization · 3 - 6 Months

Red Hat
Skills you'll gain: Object Oriented Programming (OOP), File I/O, JSON, Python Programming, Debugging, Object Oriented Design, Data Structures, Red Hat Enterprise Linux, Programming Principles, Statistical Programming, Web Development, Program Development, Scripting, Integrated Development Environments, Development Environment, Software Installation
Intermediate · Course · 3 - 6 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: API Testing, Restful API, Application Programming Interface (API), Test Script Development, Java Programming, JSON, Data Validation, Test Automation, Test Case, Development Environment, Verification And Validation, Back-End Web Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Statistical Visualization, Ggplot2, Plot (Graphics), R (Software), R Programming, Scatter Plots, Data Collection, Graphing, Data Analysis, Data Manipulation, Data Access, Data Import/Export, Regression Analysis, Data Structures, Development Environment, Software Installation
Intermediate · Course · 1 - 4 Weeks

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

Scrimba
Skills you'll gain: Responsive Web Design, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, HTML and CSS, Professional Development, Web Presence, Web Development, Javascript, GitHub, Data Structures, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), File I/O, Program Development, Software Development, Automation, Data Structures, Code Reusability, Maintainability, File Management, Python Programming, Scalability, Scripting Languages, Data Persistence, JSON, Problem Solving
Mixed · Course · 1 - 4 Weeks

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