Mein toller Blog

In diesem Blog schreibe ich über alles mögliche.

#useEffect#dependency array#stale closure#React hooks#data fetching#race condition#useEffect cleanup#AbortController#useMemo#useCallback

Your useEffect Fetches the Wrong Data and You Don't Even Know It

Your useEffect fetches data with an empty dependency array, and the UI shows stale results without a single error in the console. This post walks through the exact runtime behavior of missing dependencies, stale closures, object reference traps, and the race condition that happens when props change mid-fetch — with broken code, fixed code, and the cleanup pattern that actually prevents silent production bugs.

2/27/2026

Lieblingsdinge
#first#post

Lieblingsdinge

Hier schreibe ich über meine Lieblingsdinge.

Elon Musk

Elon Musk

2/28/2023