What are hooks in React?

What are hooks in React?

Hooks are functions that let you use state and other React features without writing a class.

Can you explain the useState hook?

Sure! useState is a hook that allows you to add state to functional components. You call it with the initial state and it returns an array with the current state and a function to update it.

How do I use the useEffect hook?

useEffect lets you perform side effects in your components. You can use it to fetch data, subscribe to events, or manually change the DOM.

Are there any rules I should follow when using hooks?

Yes, there are two main rules: only call hooks at the top level of your component and only call them from React functions.