All tracks
Track 03
React
Components, state, effects, and data flow. Build, debug, and extend real React applications starting from working starter code, not blank files.
0 / 7 solved
Module 01seeded1/3
Components, Props & Composition
component design, prop flow, composition patterns
1
Problem 8·Components, Props & Composition
Loading Save Button
easyStart →
Module 02seeded1/3
Forms & Controlled State
controlled inputs, validation, submit flows
Problem 15·Forms & Controlled State
Controlled Form with Validation
easy
Module 03active2/4
Effects & Async Data
data fetching, loading/error states, stale protection
Problem 6·Effects & Async Data
Debounced Search with Stale Response Protection
medium
Problem 16·Effects & Async Data
Add Error Handling and Retry to Data Fetcher
medium
Module 04seeded1/4
State Management
cross-component state, context, reducers
Problem 17·State Management
Notification Tray
medium
Module 05seeded1/3
Performance
memoization, virtualization, avoiding re-renders
Problem 18·Performance
Infinite Scroll Feed
Capstonehard
Module 06seeded1/3
Debugging React Behavior
race conditions, stale closures, effect bugs
Problem 19·Debugging React Behavior
Fix the Multi-step Wizard
Capstonehard