Engrain by ByteRush

RCT.05 3 concepts · 2 ready

React 19 features

Use React 19's APIs and know what changed from 18.

  1. RCT.05.01Actions, useActionState and useOptimisticCoreMid-level12 min
  2. RCT.05.02use, Suspense and error boundariesCoreMid-level12 min
  3. RCT.05.03Other React 19 changesMid-levelBeing written

Interview questions in this module

  1. What are Actions in React 19?
  2. How does useOptimistic work? What happens if the server request fails?
  3. What does the use hook do? How is it different from other hooks?
  4. How do Suspense and error boundaries work together?
  5. What changed between React 18 and React 19?