Top 26+ React Interview Questions (2024 Edition)
What is React? - React is an open-source JavaScript library created by Facebook for building complex, interactive UIs in web and mobile applications. React's core purpose is to build UI components; it is often referred to as just the "V" (View) in an "MVC" architecture. What are the advantages of ReactJS? - Below are the advantages of ReactJS: Increases the application's performance with Virtual DOM JSX makes code is easy to read and write It renders both on client and server side Easy to integrate with other frameworks (Angular, BackboneJS) since it is only a view library Easy to write UI Test cases and integration with tools such as JEST. What are the major features of ReactJS? - The major features of ReactJS are as follows, It uses VirtualDOM instead RealDOM considering that RealDOM manipulations are expensive. Supports server-side rendering Follows Unidirectional data flow or data binding Uses reusable/composable UI components to develop the view What is virtual DOM?
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