keyExtractor Used to extract a unique key for a given item at the specified index . Key is used for caching and as the react key to track item re-ordering.
Read moreHow do you optimize FlatList in react native?
React Native: Optimizing FlatList performance
Read moreWhat strategy would you use to optimize a large list of items on FlatList?
Here are some improvements you can do to optimize your flatlist:
Read moreCan FlatList be horizontal?
The FlatList component has a prop named as horizontal={} which support Boolean value True and False . The default value is False and if we define its value to True then it will make our FlatList horizontal with horizontal scrolling enabled.4 Ara 2021
Read moreHow do I create a horizontal list in react native?
Creating the list. For the list, we are using react native flatlist which is a component that is optimized to render list item. For the renderRow method in the flatList, we will use card class that we created earlier. We should now have a list of card rendered in our react native app albeit pretty static.
Read moreHow do I add a horizontal line in react native?
To draw a red horizontal line in React, we can add an hr element that has a height and background color . We create the ColoredLine component that takes the color prop. And we set the style prop to an object with the color , backgroundColor and the height properties. backgroundColor makes the line set to color .
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