React Questions

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22

React Questions

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1. What is a react.js in MVC?

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2. Babel is a __________?

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3. Which attribute is React’s replacement for using innerHTML in the browser DOM?

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4. How can you access the state of a component from inside of a member function?

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5. Who Develop React.js?

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6. Why should you avoid copying the values of props into a component’s state?

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7. Which method in a React Component should you override to stop the component from updating?

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8.  React.js is written in which of the following language?

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9. Why React is faster then normal websites?

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10. Which of the following are the advantages of React.js?

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11.  What are the two ways to handle data in React?

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12.  If you want to import just the Component from the React library, what syntax do you use?

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13. Find the bug in this code :

  function car({make, model}) {
  return < h1 > {make} {model} < /h1 > ;
}; 

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14. Which of the following method refers to the parent class in React.js?

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15. What do you call a React component that catches JavaScript errors anywhere in the child component tree?

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