⚛️ Output Challenge #3 — React State Mystery Even senior React devs get this wrong during interviews 👇 function Counter() { const [count, setCount] = React.useState(0); const handleClick = () => { setCount(count + 1); setCount(count + 1); setCount(count + 1); console.log(count); }; return <button onClick={handleClick}>Count: {count}</button>; } You click the button once. What gets logged in the console? And what’s displayed on the button after the click? 🧠 Think carefully about: React’s state batching Closures inside event handlers When re-renders actually happen 💬 Comment your answer + explanation below — let’s see who really understands React’s update queue 🔥 #React #JavaScript #Frontend #Nextjs #TypeScript #WebDevelopment #CleanCode #MachineCodingRound #DeveloperCommunity #InterviewPreparation
Console - 0, UI- 1
- Console log output: 0 - Button after click: Count: 1 All three setCount(count + 1) set the state to 1 (not incremented), because they all use the old value due to React state batching.