Code Room
Code reviewMedium
Question
Review this JavaScript code that writes a record to three downstream services in parallel and reports success.
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
async function syncRecord(rec) { await Promise.all([ crm.upsert(rec), search.index(rec), cache.set(rec.id, rec), ]); return { synced: true };}Run or narrate your approach, then ask the coach.