ReactJs Online Trainng In Hyderabad Nareshit

ReactJS is an open-source JavaScript library used for building user interfaces (UIs) in web applications. It was developed by Facebook and is now maintained by Facebook and a community of individual developers. ReactJS has gained significant popularity due to its efficiency, performance, and component-based architecture.

One of the key features of ReactJS is its use of a virtual DOM (Document Object Model). Instead of directly manipulating the browser's DOM, ReactJS creates a lightweight virtual representation of the UI components. This allows React to efficiently update and render components by minimizing direct manipulation of the actual DOM. When changes occur in the UI, React compares the previous and current virtual DOMs and only updates the necessary components, resulting in faster rendering and better performance.