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Hooks in React make a handy addition and allow you to use state and different React features without writing a class. Using hooks in React makes it easier to connect React state and lifecycle features from function components.

The hooks are a comprehensive set of tools that run custom features when a component's props vary. This method of state management doesn't need to use classes that allow developers to use Hooks to write shorter, readable code that is easy to deal with and maintain.

Always avoid using Hooks inside loops, conditions, or nested functions. Preferably, always use Hooks at the top level of your developer function, before any early returns. When you follow this rule, you ensure that Hooks are in-linked in a similar order each time a component renders.

The useState hook is a unique kind of function that uses the initial state as an argument and delivers an array of two entries. E.g. The first element is the primary state and the second one is a function that is used for renewing the state, and the value delivered by the function will be used as the initial state.

The Useeffect Hook is designed to handle the side effects in functional components. It uses the callback argument as a function to put the side-effect logic. Also, it effectively uses dependencies as a list of dependencies of your side-effect: holding props or state values.

While building the app, you will often need to fetch remote or asynchronous data. Also, sometimes you need to get some data pieces from API or Custom Hooks to display the posts or to get search result data for a search query. It also allows testing whether the data is loading or not.

You have to maintain the list while using the hook in React. Try to isolate stateful logic, to make it easier to test. Share stateful logic without rendering props or higher-order components seamless functioning. Separating your app's concerns based on logic for convenient test runs.

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