What are hooks in React and when should I use them?
Hooks are functions that let you use state and other React features without writing a class. You should use them when you want to manage state or side effects in functional components.
Can you give me an example of a hook?
Sure! The useState
hook allows you to add state to your functional components. For example: const [count, setCount] = useState(0);
.
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.
What about using hooks in class components?
Hooks cannot be used in class components. They are specifically designed for functional components.
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