React.Fragment example where keys are required by React.

ReactFragmentsExampleWithKeys.js

const MyComponent = (props) => {
 return (
   <>
     {props.entries.map((entry) => (
       <React.Fragment key={entry.id}>
         <h2>{entry.header}</h2>
         <h3>{entry.subheader}</h3>
       </React.Fragment>
     ))}
   </>
 );
};