Advanced Hook ⟶ (POPULAR)

return results, isLoading ;

return data: processedData, pause: () => setIsPaused(true), resume: () => setIsPaused(false) ; advanced hook

Now any component can add debounced search with two lines of code. Custom hooks compose other advanced hooks, hiding complexity beautifully. Even advanced developers fall into traps: return data: processedData

Now in DevTools, your hook displays FriendStatus: "Online" instead of an opaque value. Consider a dashboard that subscribes to a WebSocket stream, processes messages with expensive filtering, and exposes controls to pause/resume. pause: () =&gt