How do you create a custom Hook?
Here is to creating a custom Hooks step-by-step.
- Create a function: Start by defining a regular JavaScript function. It can have any name, but it’s a convention to prefix it with “use” to indicate that it’s a hook.
- Write the logic: Inside your custom hook function, write the logic you want to encapsulate and reuse. You can use existing hooks like
useState
,useEffect
, or other custom hooks if needed. - Return values: Ensure your custom hook returns whatever values or functions you want to expose to components that use it.
- Use the hook: You can now use your custom hook in any functional component by calling it. React will recognize it as a hook because it starts with “use”.
Top React Hooks Interview Questions & Answers
In this article, you will learn React Hooks interview questions and answers that are most frequently asked in interviews. Before proceeding to learn React Hooks interview questions and answers, first learn the complete React Hooks.
React hooks are functions that enable functional components to use state and lifecycle features that were previously only available in class components. Hooks provide functions like useState, useEffect, useContext, etc., that allow you to “hook into” React features from functional components.
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