React enables developers to create dynamic user interfaces that are highly responsive and easy to update. The framework’s approach to DOM manipulation and state management allows for code organization, better performance, and a more organized application structure. React also provides developers with tools that help with inspecting component hierarchies, tracking state changes, and debugging UI issues. This contributes to a more polished, bug-free application and better user experience.

When a component in a React application renders, it passes its own state to its children through props. The child components can then render based on this state. This one-way data flow is a major advantage of react over other frameworks such as jQuery. React’s approach to DOM manipulation allows it to be more performant than other libraries and frameworks that do not use a similar approach to state management.

Facebook’s Newsfeed was the first large scale web application built with React. It was a huge success due to its responsive user interface and the ease of updating and maintaining it. Since then, React has become a popular choice for creating dynamic and interactive applications and web pages.

React is ideal for developing single-page applications (SPA) that require a fast and responsive user interface. React handles updates by creating a virtual DOM of the actual page, which it then compares to when a change in the data occurs. It then re-renders only the parts of the page that need to be updated, avoiding a full page reload.