Advanced React

Chapter 10 · 5 examples

Closures in React

The problem · JavaScript, scope, and closures · The stale closure problem · Stale closures in React: useCallback · Stale closures in React: Refs · Stale closures in React: React.memo · Escaping the closure trap with Refs

  1. Example 1The stale closure bug
  2. Example 2Caching a closure
  3. Example 3useCallback dependencies
  4. Example 4Stale closures in Refs
  5. Example 5Escaping the closure trap