/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

0 vote286 views1 answer
React native Stack Navigation Prop unused variable
Javascript React
18 votes304 views6 answers
React-native make android apk
Javascript React
1 vote310 views1 answer
React native slow performance after load iamges
Javascript React
0 vote291 views1 answer
Use es6 arrow function in react
Javascript React
1 vote380 views1 answer
React native flatlist hide scrollbar
Javascript React
0 vote297 views1 answer
Retore react app
Javascript React
0 vote298 views1 answer
Placeholder text disappear when click in react
Javascript React
48 votes313 views6 answers
Comment in react
Javascript React
85 votes332 views6 answers
Redirect react js
Javascript React
0 vote307 views1 answer
React sub count
Javascript React