Introduction to React: Building UI Components and Virtual DOM
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Questions and Answers

What is React primarily used for?

  • Manipulating browser's DOM directly
  • Building UI components (correct)
  • Managing backend server requests
  • Creating virtual DOM in memory

    • How does React manipulate the browser's DOM?

  • Relies on server-side rendering for DOM changes
  • Directly manipulates the browser's DOM
  • Uses third-party libraries for DOM manipulation
  • Creates a virtual DOM in memory for manipulation (correct)

    • What is the current version of React.JS as of April 2022?

  • V18.0.0 (correct)
  • V5.0.1
  • V0.3.0
  • V1.0.0

    • When was React.JS first used for Facebook's Newsfeed feature?

    <p>2011</p> Signup and view all the answers

    Who created React.JS?

    <p>Jordan Walke</p> Signup and view all the answers

    Which built tools are included in create-react-app?

    <p>webpack, Babel, and ESLint</p> Signup and view all the answers

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