/Javascript/React/Filter-vs-map-reactjs-and-jsx

Filter-vs-map-reactjs-and-jsx

{              
  books && books
    .filter(book => book.shelf.toLowerCase().includes(shelf.toLowerCase()))
    .map((book, index) => {
      return (
        <Book
           key={book && book.id ? book.id : index}
           changeShelf={this.props.changeShelf}
           book={book} />
      );
    })
}

Source: stackoverflow.com

Similar codes

0 vote305 views1 answer
How to solve "Unexpected use of comma operator no-sequences" error in react
Javascript React
13 votes202 views1 answer
Round button corner right react native
Javascript React
1 vote214 views1 answer
React lottie player on hover
Javascript React
-1 vote230 views8 answers
React native
Javascript React
0 vote227 views1 answer
React read multiple files with filereader
Javascript React
0 vote254 views9 answers
How to run a cloned react native project
Javascript React
5 votes211 views1 answer
How to create component in reactjs
Javascript React
1 vote224 views2 answers
What is the purpose of the super(props) method in React
Javascript React
0 vote273 views1 answer
Flipper semantic issue react native
Javascript React
1 vote204 views1 answer
Reactjs .htaccess
Javascript React