/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

2 votes342 views3 answers
React cdn link
Javascript React
4 votes344 views1 answer
Enable emmit on react
Javascript React
1 vote355 views1 answer
Adding media queries in makeStyle material react
Javascript React
1 vote364 views2 answers
React Context API
Javascript React
0 vote349 views1 answer
Reactjs alert
Javascript React
145 votes541 views6 answers
Add bootstrap to react
Javascript React
0 vote362 views1 answer
React native update state object inside object
Javascript React
0 vote405 views2 answers
React open pdf in new tab
Javascript React
1 vote353 views1 answer
How to position View absolute react native
Javascript React
2 votes357 views1 answer
Best react native ui library
Javascript React