Ajax courses can help you learn asynchronous web requests, dynamic content updates, and improved user interfaces. You can build skills in handling JSON data, managing server responses, and optimizing web performance. Many courses introduce tools like jQuery and XMLHttpRequest, that support implementing Ajax techniques and enhancing user experience on websites.

Skills you'll gain: Selenium (Software), Object Oriented Programming (OOP), Eclipse (Software), Java, Java Programming, JUnit, HTML and CSS, Object Oriented Design, Test Automation, Software Testing, Integrated Development Environments, Test Data, Browser Compatibility, Computer Programming, Web Development, Programming Principles, Test Case, Development Environment, Continuous Integration, Automation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Jest (JavaScript Testing Framework), Test Driven Development (TDD), Test Case, Development Testing, Unit Testing, Software Testing, Testability, Javascript, Mockups, Simulations
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, UI Components, User Interface (UI), Web Development, Business Logic
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Usability Testing, Usability, Test Tools, Interaction Design, Human Computer Interaction, Test Planning, User Research, Product Development, Web Analytics and SEO
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Bootstrap (Front-End Framework), Full-Stack Web Development, JavaScript Frameworks, Web Applications, Database Management, Software Architecture, Database Design, Development Environment, Software Testing, NoSQL, Application Frameworks, Application Security, Authentications, Middleware, Performance Tuning, Semantic Web, Authorization (Computing), Scalability
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: JSON, Restful API, HTML and CSS, Web Design, Cloud API, Web Development, Application Programming Interface (API), Web Applications, Responsive Web Design, Real Time Data, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Google Gemini, Generative AI, Generative AI Agents, Flutter (Software), LLM Application, Google Cloud Platform, Mobile Development, Prompt Engineering, Application Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: Flutter (Software), Google Gemini, Generative AI Agents, LLM Application, Generative AI, Mobile Development, Google Cloud Platform
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Web Applications, Javascript, Web Development, Node.JS, Web Servers, Hypertext Markup Language (HTML), Java Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Application Programming Interface (API), Restful API, Javascript, Web Applications, Web Servers, Hypertext Markup Language (HTML), Servers, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: JSON, NoSQL, Cloud API, Javascript, Data Store, Data Import/Export, Cloud Computing, Software Development
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Web Development Tools, Data Structures, Javascript, Scripting, Scripting Languages, Programming Principles
Intermediate · Guided Project · Less Than 2 Hours