/Javascript/React/How to use keyextractor in flatlist react native

How to use keyextractor in flatlist react native

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

0 vote192 views1 answer
Ng-class equivalent in react
Javascript React
0 vote168 views1 answer
React native bottom bar curved
Javascript React
1 vote165 views3 answers
Antd react
Javascript React
0 vote161 views1 answer
Override backswipe behaviour in ios and android react native
Javascript React
0 vote188 views1 answer
Create loop to specific length react
Javascript React
7 votes164 views2 answers
React native rename
Javascript React
0 vote159 views1 answer
React useState vs variable
Javascript React
0 vote168 views1 answer
React application preloader add
Javascript React
1 vote177 views1 answer
Vim react snippets
Javascript React
0 vote172 views2 answers
React router how to send data
Javascript React