/Javascript/React/Flatlist react native keyextractor

Flatlist react native keyextractor

How to use flatlist keyextractor

<FlatList 
  data={[{name: 'a'}, {name: 'b'}]} 
  renderItem={
    ({item}) => <Text>{item.name}</Text>
  } 
  keyExtractor={(item, index) => index.toString()}
/>

Source: stackoverflow.com

Flatlist react native keyextractor

keyExtractor = () => {
    return new Date().getTime().toString() + (Math.floor(Math.random() * Math.floor(new Date().getTime()))).toString();  };

Source: stackoverflow.com

Flatlist react native keyextractor

keyExtractor = item => {
    return item.id.toString() + new Date().getTime().toString() + (Math.floor(Math.random() * Math.floor(new Date().getTime()))).toString();  };

Source: stackoverflow.com

Similar codes

3 votes315 views2 answers
Discord.js react to message
Javascript React
0 vote286 views1 answer
React select remove the loading indicator
Javascript React
0 vote323 views1 answer
React-data-table-component cell action
Javascript React
0 vote284 views1 answer
Clear input field react-hook-form
Javascript React
7 votes299 views2 answers
Import a script to my react componetn
Javascript React
0 vote311 views1 answer
TrackPromise React
Javascript React
1 vote315 views1 answer
Reactjs change window name
Javascript React
0 vote415 views1 answer
React steam auth
Javascript React
0 vote297 views1 answer
React native test redux
Javascript React
1 vote306 views1 answer
Div onchange react
Javascript React