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React useEffect() hook introduction 🌟

React tutorial for beginners ⚛️ (2024)

#react #tutorial #course 00:00:00 introduction 00:02:00 setup 00:03:25 no dependencies 00:04:50 empty dependency array 00:05:51 1 dependency 00:07:25 multiple dependencies 00:09:57 why use useEffect()? 00:11:33 example 2 00:15:51 return 00:17:31 multiple useEffect() hooks 00:18:52 conclusion // useEffect() // React Hook that tells React to DO THIS CODE WHEN: // (pick one) // This component re-renders // This component mounts // The state of a value changes // useEffect(function, [dependencies]) // USES // #1 Event Listeners // #2 DOM manipulation // #3 Subscriptions (real-time updates) // #4 Fetching Data from an API // #5 Clean up when a component unmounts

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