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ReactJS Interview Questions and Answers

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Question - What are the advantages of using React?

Answer -

MVC is generally abbreviated as Model View Controller.

  • Use of Virtual DOM to improve efficiency: React uses virtual DOM to render the view. As the name suggests, virtual DOM is a virtual representation of the real DOM. Each time the data changes in a react app, a new virtual DOM gets created. Creating a virtual DOM is much faster than rendering the UI inside the browser. Therefore, with the use of virtual DOM, the efficiency of the app improves.
  • Gentle learning curve: React has a gentle learning curve when compared to frameworks like Angular. Anyone with little knowledge of javascript can start building web applications using React.
  • SEO friendly: React allows developers to develop engaging user interfaces that can be easily navigated in various search engines. It also allows server-side rendering, which boosts the SEO of an app.
  • Reusable components: React uses component-based architecture for developing applications. Components are independent and reusable bits of code. These components can be shared across various applications having similar functionality. The re-use of components increases the pace of development.
  • Huge ecosystem of libraries to choose from: React provides you with the freedom to choose the tools, libraries, and architecture for developing an application based on your requirement.

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