/Javascript/React/React hooks send data from child to parent

React hooks send data from child to parent

const { useState } = React;

function PageComponent() {
  const [count, setCount] = useState(0);
  const increment = () => {
    setCount(count + 1)
  }

  return (
    <div className="App">
      <ChildComponent onClick={increment} count={count} />         
      <h2>count {count}</h2>
      (count should be updated from child)
    </div>
  );
}

const ChildComponent = ({ onClick, count }) => {
  return (
    <button onClick={onClick}>
       Click me {count}
    </button>
  )
};

ReactDOM.render(<PageComponent />, document.getElementById("root"));

Source: stackoverflow.com

Similar codes

1 vote130 views1 answer
Set Custom User Agent react
Javascript React
0 vote131 views1 answer
Create react portal
Javascript React
4 votes146 views3 answers
Reactjs date format dd/mm/yyyy
Javascript React
1 vote121 views2 answers
Prevstate in react
Javascript React
4 votes147 views2 answers
Linking in react native
Javascript React
0 vote129 views1 answer
How to add a key in a react element
Javascript React
1 vote146 views2 answers
React state not updating immediately
Javascript React
1 vote149 views2 answers
How to get window size in react js
Javascript React
3 votes137 views2 answers
Fetch data from api in react
Javascript React
0 vote131 views1 answer
React native scrollview full height
Javascript React