Intermediate · 6 weeks · 36 hours
React.JS Training
Hooks, state management and component design for engineers building and maintaining production React applications.
- Available as classroom
- Available as live online
- Available as corporate on-site
React.JS Training at Wisen IT Solutions, Chennai
React.JS Training at Wisen IT Solutions, Chennai focuses on the decisions that separate a working React application from a maintainable one: where state lives, how effects are used, how components compose, and how rendering performance is measured rather than guessed.
The course runs for 6 weeks · 36 hours and is delivered as classroom, live online, corporate on-site training by Wisen IT Solutions, Chennai. You can join a scheduled batch or ask for a private batch for your team.
Course curriculum
React Training syllabus — hooks, architecture and performance
The React Training syllabus covers the component model, hooks, data fetching, component architecture and the testing and performance work that production React demands.
React Foundations
- What React is and the problem it solves
- Declarative against imperative UI
- Setting up a project with Vite
- Project structure and conventions
- The root render and StrictMode
- JSX syntax and its rules
- Expressions inside JSX
- JSX attributes and camelCase props
- Fragments and why they exist
- Components as functions
- Composing components
- Props and one-way data flow
- Default and derived props
- The children prop
- Conditional rendering patterns
- Rendering lists and the key prop
- Why index keys cause bugs
- The virtual DOM and reconciliation
- Render, commit and effects phases
- Pure components and render purity
- The React DevTools component tree
- Reading React error messages
Outcomes
What you will be able to do after the React.JS Training
Outcomes are stated as capabilities, not topics covered, so you can judge the course against what you actually need at work.
By the end of the course you can
- Design component APIs that stay composable as features grow
- Choose the right state location: local, lifted, context or external store
- Use effects correctly — and recognise when no effect is needed
- Handle data fetching, caching, loading and error states properly
- Build accessible interactive components including forms and dialogs
- Profile renders and fix real performance bottlenecks
Syllabus
What the React.JS Training covers
5 modules across 6 weeks · 36 hours. The first module is expanded; open any module to read its topics.
01The React Mental Model
- Rendering, reconciliation and component purity
- JSX, props, children and composition patterns
- Lists, keys and derived state
02State and Effects
- useState, useReducer and state colocation
- When useEffect is the wrong tool
- Context, providers and avoiding needless re-renders
03Data Fetching and Async UI
- Request lifecycles, cancellation and race conditions
- Loading, error and empty states as first-class UI
- Caching strategies and optimistic updates
04Forms, Accessibility and Interaction
- Controlled and uncontrolled inputs with validation
- Accessible dialogs, tabs, menus and focus management
- Keyboard support and ARIA used correctly
05Testing and Performance
- Testing behaviour rather than implementation
- Profiling with React DevTools
- Memoisation, code splitting and bundle discipline
Who it is for
Is the React.JS Training the right fit for you?
Read this before enrolling. If none of the profiles below describe you, contact us and we will point you to a better-suited course.
This course suits
- Developers joining a React codebase
- Frontend engineers formalising self-taught React knowledge
- Teams standardising component and state conventions
Answers
React.JS Training — frequently asked questions
Answers to the questions we are asked most often about the React.JS Training.
Does the training cover class components?
The training is hooks-first. Class components are covered only briefly so you can read and maintain older code you may encounter.
Which state management library is taught?
The course teaches how to decide. You work through local state, lifted state, context and an external store, and learn the trade-offs of each rather than adopting one library by default.
Should I take React.JS Training before Next.JS Training?
Yes, if you are new to React. Next.JS Training assumes you are already comfortable with components, props, state and hooks.
- 27+
- Years of training
Delivering technical training from Chennai since 1998. - 17,700+
- Learners empowered through training
Corporate teams, IT working professionals, career switchers and students. - 2,700+
- Happy students / year
Learners completing our programmes every year. - 30+
- Corporate clients
Product companies, service firms and startups.
Corporate training
Teams that train with Wisen IT Solutions, Chennai
Engineering teams across product companies, IT services firms and startups run their JavaScript, Angular, React and Next.js upskilling with us.
Altimetrik 
Aparajitha Corporate Services 
Caresoft 
Dzine Hub 
Firstsource 
Gigamon 
Helios and Matheson 
NextGen Healthcare 
Perpetuuiti Technosoft 
R Systems 
SRM Institute of Science and Technology 
Temenos 
The Hindu 
Tamil Nadu Electricity Board 
WABCO
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