import { FixedSizeList as List } from 'react-window'; const items = Array.from({ length: 1000 }, (_, index) => `Item ${index + 1}`); function App() { return ( <List height={200} itemCount={items.length} itemSize={35} width={300} > {({ index, style }) => <div style={style}>{items[index]}</div>} </List> ); } export default App;