Learn useState() in 15min ||ReactJS-Hooks
How to use hooks in React
How to convert class state to function state with useState
How to use the useState hook
What is a Hook?
A Hook is a special function that lets you “hook into” React features. For example,useState is a Hook that lets you add React state to function components. We’ll learn other Hooks later.
Hooks are a new addition in React 16.8. They let you use state and other React features without writing a class.
When would I use a Hook?
If you write a function component and realize you need to add some state to it, previously you had to convert it to a class. Now you can use a Hook inside the existing function component. We’re going to do that right now!
What is useState()?
useStateshould be used only inside functional components.UseState is the way if we need an internal state and don't need to implement more complex logic such as lifecycle methods.
const [state, setState] = useState(initialState);
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