/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 vote302 views1 answer
React native run release
Javascript React
0 vote297 views1 answer
Label tag alternative in react native
Javascript React
73 votes298 views7 answers
React icons
Javascript React
0 vote322 views1 answer
React js and graphql integration
Javascript React
0 vote280 views3 answers
Set bg image in react
Javascript React
0 vote355 views1 answer
Coreui react change background color
Javascript React
3 votes289 views1 answer
UseHistory is not exported form react-router-dom
Javascript React
1 vote304 views1 answer
React-redux imports
Javascript React
0 vote1.1K views1 answer
Hide react from netlify
Javascript React
0 vote296 views1 answer
Node_modules/react-native-paper/lib/module/core/Provider.js
Javascript React