Introduction useState is one of the most commonly used features in React. It is a Hook that helps to store and manage data inside a functional component. In real applications, values keep changing like user input, counters, or form data. To handle these changing values, useState is used. Why Hooks are used... In React, we need to update the UI whenever data changes. Earlier this was done using class components, but the code was longer and sometimes confusing. Hooks make this process simple. They allow us to handle data directly inside functions and reduce unnecessary complexity in the code. Hooks also help to keep related logic in one place, which makes the code easier to understand when the application grows. useState and how it works... useState is an inbuilt function in React. It is used to create state in a functional component. const [ count , setCount ] = useState ( 0 ); Enter fullscreen mode Exit fullscreen mode Here, count stores the value and setCount is used to update it.…