Rendering is the most important procedure that a programmer has to manage in frontend development. In React, the render() method is the only required method in a class component, and is responsible for describing the view to be rendered to the browser window. Coupled with the clever way that React operates around its virtual DOM concept, there are certain subtleties in how this method works, and understanding them will greatly benefit any aspiring React developer.
Learn to optimize the React rendering process through this blog