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React Certified

React Certified

Course outline

Module 1 · React 19 foundations and TypeScript

The rendering mental model
Typed components and JSX
Lists, identity, and keys

Module 2 · Composition and component APIs

Composition, children, and slots
Controlled and uncontrolled design
Boundaries, errors, and portals

Module 3 · State and event design

State as a snapshot
Events and transitions
Choosing state structure

Module 4 · Effects and external systems

Effects are synchronization
Async work and race conditions
Refs and external stores

Module 5 · Reducers, context, and custom hooks

Reducers and action modeling
Context at scale
Custom hook contracts

Module 6 · React 19 async experiences

Actions and form state
Suspense and use()
Optimistic UI and reconciliation

Module 7 · Accessibility, testing, and debugging

Accessible React interfaces
Testing user behavior
Debugging and profiling

Module 8 · Production architecture and certification

Feature architecture and data flow
Performance and security
React 19 final assessment

Boundaries, errors, and portals

This lesson is part of the paid course.

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