AWS, JavaScript, React - Deploy Web Apps on the Cloud - Using React State Hook

The video tutorial explains how to manage state in React using the useState hook. It covers initializing state with an initial value, reading and updating state, and handling user input to update state. The tutorial also highlights React's efficient re-rendering process, which updates only the necessary DOM elements. The lesson concludes with a preview of expanding state management in the next session.

What happens when the state is updated in a React component?

Describe the efficiency of React's state updates in relation to the DOM.