Author: Amulya Reddy

Earlier the websites were made by manipulating the DOM. The problem using this approach is that whenever there is a change such as an update in your app, the browser re-renders the page and again creates the DOM and the whole process repeats. This is a really painful process, especially for large-scale applications. What React does is, it creates a Virtual DOM and gives the update only for that particular change. So, let us know some jargon which helps us to understand this even better. What is Re-Render? When a component’s state or props change, React automatically triggers a re-render of that component.…