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React Interview Guide
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Even though React provides some built-in Hooks such as useState
, useEffect
, useContext
, and so on for common use cases, you may sometimes need to use Hooks for specific requirements that cannot be solved by built-in Hooks or third-party libraries. By the end of this section, you will be able to answer questions related to custom Hooks and their purpose, and how to avoid traditional approaches to share the component logic.
React comes with several built-in Hooks, but it won’t restrict you from using Hooks for limited scenarios. It is also possible to create your own Hooks by extracting the component logic into separate reusable functions known as custom Hooks. These Hooks are helpful in hiding the complex logic from the components. They cover a wide range of use cases such as data fetching, form handling, online or offline status subscriptions, connecting to a chat room, animations, and so on.
The...