React Basics
1. What is ReactJS and how does it work? ReactJS is a JavaScript library for building user interfaces, primarily single-page applications where you need a fast, interactive experience. It allows developers to create large web applications that can update and render efficiently in response to data changes. React works by using a component-based architecture. Components are self-contained modules that render some output based on their state and props. 2. What is the difference between Shadow DOM and Virtual DOM? Shadow DOM : A browser technology used primarily for encapsulation . It allows you to keep the styles and scripts isolated to a particular component. use in Angular. Virtual DOM : A concept in React where a virtual representation of the UI is kept in memory and synced with the real DOM using a process called reconciliation. This makes updates faster and more efficient. 3. Explain the reconciliation process. Reconciliation is the process by which React updates the DOM. When a ...
