<div>If you see the following import in a file, what is being used for state management in the component?<br /><br /></div> <div><code>import React, {useState} from 'react';</code></div>

ReactJS - Quiz(MCQ)

If you see the following import in a file, what is being used for state management in the component?

import React, {useState} from 'react';

stateful components

class components

math

React Hooks

Correct Answer : React Hooks

Recent Updates in React.JS

Q .

What do you need to change about this code to get it to run?

class clock extends React.Component {
  render() {
    return <h1>Look at the time: {this.props.time}</h1>;
  }
}

Remove this

Capitalize clock

Remove the render method

Add quotes around the return value

Correct Answer : Capitalize clock

Q .

Which Hook could be used to update the document's title?

useEffect(function updateTitle() { document.title = name + ' ' + lastname; });

useEffect(() => { title = name + ' ' + lastname; });

useEffect(function updateTitle() { name + ' ' + lastname; });

useEffect(function updateTitle() { title = name + ' ' + lastname; });

Correct Answer :

useEffect(function updateTitle() { document.title = name + ' ' + lastname; });