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Advanced React in 21 days

Concurrent features, Server Components, React internals, performance profiling, and advanced patterns.

  • Daily plan, 45-60 min a day
  • 7 lessons + 21 exercises
  • AI tutor included
duration21-day sprint
Topics7 total
Exercises21 total
levelAdvanced
  • No prior coding experience required
  • Practice tasks every day
  • Build impressive portfolio project

What you will learn

A powered by mentors Advanced plan with structured subtopics, quizzes, and practice tasks.

01Challenge

Concurrent features: Suspense and transitions

Use Suspense, startTransition, and useDeferredValue for fluid UIs.

02Challenge

React Server Components

Understand the server/client boundary and when to use RSC.

03Challenge

React internals: the reconciler

Learn how Fiber, the diffing algorithm, and commit phase work.

04Challenge

Performance profiling and optimization

Use React DevTools Profiler to diagnose and fix render bottlenecks.

05Challenge

Advanced patterns: render props, HOCs, compound components

Build flexible APIs with advanced React composition patterns.

06Challenge

State management at scale

Compare Zustand, Jotai, and Redux Toolkit for complex app state.

07Challenge

Capstone: performant, testable React app

Combine RSC, optimizations, and testing in a production-ready feature.

See the quiz + practice flow

Three answered questions and a filled code task so you know exactly what to expect.

Quiz preview

2/3 correct

1. How long is the React plan?

Correct
21-day sprint
5-day sprint
7-day sprint
10-day sprint

2. What level is this React plan?

Incorrect
Beginner
Intermediate
Advanced
Expert

3. Which of these appears in the React outline?

Correct
Concurrent features: Suspense and transitions
React workflow playbook
React best-practice checklist
React case study

Code practice preview

Submitted

Format a lesson title

Build a helper that formats a lesson label with a padded index and title.

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