What are React 17 hooks and how do they work?

What are React 17 hooks and how do they work?

React 17 hooks are functions that let you use state and other React features without writing a class. They allow you to manage state and lifecycle events in functional components.

Can you give me an example of a custom hook?

Sure! A simple custom hook could be useFetch, which fetches data from an API. It can manage loading and error states.

How do I use the useState hook?

You can use useState by importing it from React. For example: const [count, setCount] = useState(0); This initializes a state variable count with a value of 0.

What are the benefits of using hooks over class components?

Hooks allow for cleaner and more reusable code, easier state management, and they help avoid issues with this binding in class components.