/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

3 votes218 views2 answers
React how to scroll to element
Javascript React
1 vote212 views3 answers
Switch' is not exported from 'react-router-dom'
Javascript React
-1 vote201 views5 answers
Play audio in react
Javascript React
7 votes190 views4 answers
React router link
Javascript React
0 vote222 views1 answer
React native intro slider
Javascript React
0 vote237 views1 answer
Get height webview from url video react native
Javascript React
0 vote218 views1 answer
Header logo react native doesn't show
Javascript React
0 vote220 views1 answer
React native run android common error
Javascript React
0 vote238 views1 answer
React native notify user for new version of app
Javascript React
10 votes213 views3 answers
Query string in react js
Javascript React