/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

157 votes430 views6 answers
Create new react app
Javascript React
0 vote334 views1 answer
Gesture handling with react native expo
Javascript React
0 vote312 views1 answer
React router nested routes active
Javascript React
0 vote297 views1 answer
Reactjs events list
Javascript React
0 vote296 views1 answer
Formatt json to create node and child node react
Javascript React
142 votes471 views5 answers
Install react
Javascript React
1 vote282 views1 answer
React-redux todo list
Javascript React
112 votes357 views10 answers
React
Javascript React
0 vote268 views1 answer
Npm react-dom
Javascript React
0 vote284 views2 answers
Airbnb and eslint react native
Javascript React