Useeffect react hook in next.js | React hooks | Next.js tutorial in hindi скачать в хорошем качестве

Useeffect react hook in next.js | React hooks | Next.js tutorial in hindi

The `useEffect` hook in React allows you to perform side effects in functional components. It is similar to the lifecycle methods in class components. The `useEffect` hook takes a callback function as its first parameter, which contains the code to run as a side effect. It also accepts an optional dependency array as its second parameter, which specifies the variables or values that trigger the effect. The `useEffect` hook is used to handle tasks like fetching data, subscribing to events, and manipulating the DOM. It has a wide range of applications in managing side effects within functional components. To use the `useEffect` hook, you define the callback function with the desired side effect and provide it as the first parameter to `useEffect`. If you want the effect to run only once, you can pass an empty dependency array. If you want the effect to run whenever a specific value changes, you include that value in the dependency array. Additionally, you can return a cleanup function within the callback function to handle any necessary cleanup when the component unmounts or when the dependencies change. Overall, the `useEffect` hook is a powerful tool for managing side effects in React functional components and helps to keep your code organized and efficient. #ReactUseEffect #SideEffectsInReact #FunctionalComponents #ReactLifecycle #DependencyArray #CodeOrganization #FetchData #SubscribeToEvents #ManipulateDOM #CleanupFunction #nextjs #next #react #reactjs #nextjs13 #playlist #nextjsproject #intro #introduction #nextjstutorial #reactjstutorial #nexttutorials #reacttutorial #reactframework #reacttutor #reactframework #framework #usestate #useeffect #hook #hooksteps #reacthooks