/Javascript/React/New Map() collection in react state

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>
  );
}

-1

Source: medium.com

Similar codes

-1 vote390 views1 answer
Animation react native npm
Javascript React
0 vote426 views1 answer
React native undedined map
Javascript React
1 vote439 views1 answer
Rendering, reconciliation and committing in react
Javascript React
5 votes361 views2 answers
What hostings can run react js
Javascript React
0 vote382 views1 answer
How to disable button if errors object isnt empty in react hook form
Javascript React
5 votes340 views5 answers
Onclick react
Javascript React
0 vote416 views1 answer
Dlowlad the json fiel in react js pretty formate
Javascript React
0 vote469 views1 answer
Radio button in reactive forms angular material
Javascript React
1 vote394 views1 answer
Reconciliation in react
Javascript React
8 votes401 views4 answers
Get current url react router
Javascript React