Answers for "can i use map in map in react"

19

map function in react

function NameList() {
	const names = ['Bruce', 'Clark', 'Diana']
    return (
    	<div>
      {names.map(name => <h2>{name}</h2>)}
      	</div>
    )
}
Posted by: Guest on October-15-2020
0

new Map() collection in react state

function MapComponent(){
  const [myMap, setMyMap] = useState(new Map());
  const updateMap = (k,v) => {
    setMyMap(new Map(myMap.set(k,v)));
  }
  return(
    <ul>
      {[...myMap.keys()].map(k => (
        <li key={k}>myMap.get(k)</li>
      ))}
    </ul>
  );
}
Posted by: Guest on December-25-2020

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