Topic
React
20 articles on React — each with a runnable playground and a quiz.
Articles
ReactYour Custom Hooks Tear in React 18.
Oct 23 · 5 min ReactYour Search Box Lags. Debounce Hides It;
Oct 3 · 5 min React
React Activity Component: The State Between Render and Remount
Nov 2 · 14 min ReactYour Custom Hooks Tear in React 18. useSyncExternalStore Fixes It.
Oct 23 · 5 min ReactReact 19.2 useEffectEvent: Why It Won't Fix Your Deps Array
Oct 17 · 15 min NextjsNext.js 16 Image: priority Deprecated, quality Now Allowlisted
Oct 13 · 15 min ReactReact 19.3 Fragment Refs: Skip the Wrapper Div for a Ref
Oct 10 · 13 min ReactReact 19.3 ViewTransition: Animate State Without Losing It
Oct 3 · 15 min ReactYour Search Box Lags. Debounce Hides It; useTransition Fixes It
Oct 3 · 5 min ReactReact Derived State: Why That useState Is Probably a Bug
Sep 20 · 14 min NextjsNext.js Parallel & Intercepting Routes: Modals Done Right
Sep 15 · 14 min ReactReact Form Actions: useActionState & useFormStatus Guide
Sep 12 · 13 min NextjsNext.js Server Actions: Mutations & Security (Cheat Sheet)
Sep 8 · 15 min ReactReact Compiler 1.0: What useMemo You Can Delete
Sep 5 · 13 min page 1 of 2