<div>To get the first item from the array (cooking) using array destructuring, how do you adjust this line?<br /><br /></div> <div><code>const topics = ['cooking', 'art', 'history'];</code></div>

ReactJS - Quiz(MCQ)

To get the first item from the array ("cooking") using array destructuring, how do you adjust this line?

const topics = ['cooking', 'art', 'history'];

const first = ["cooking", "art", "history"]

const [] = ["cooking", "art", "history"]

const [, first]["cooking", "art", "history"]

const [first] = ["cooking", "art", "history"]

Correct Answer : const [first] = ["cooking", "art", "history"]

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; });