Code Room
Code reviewMedium
Question
Review this data-fetching effect.
What a strong answer looks like
Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix — specific and kind.
Learn the concepts
useEffect(() => { fetch(url).then(r => r.json()).then(setData);}, [url]);Run or narrate your approach, then ask the coach.