/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

1 vote134 views1 answer
Circle progress react
Javascript React
4 votes192 views2 answers
React input number
Javascript React
111 votes177 views6 answers
Install bootstrap in react
Javascript React
42 votes183 views3 answers
React onchange multiple functions
Javascript React
0 vote212 views1 answer
React how to block render if data is not fetched yet
Javascript React
1 vote191 views1 answer
Unexpected token export type react bottontab navigation
Javascript React
0 vote167 views2 answers
React router how to send data
Javascript React
0 vote192 views1 answer
Easy REACT download image
Javascript React
0 vote183 views1 answer
Loop number in react
Javascript React
0 vote180 views1 answer
Justifycontent react native flatlist
Javascript React