/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 vote162 views1 answer
Set className with ref react
Javascript React
0 vote171 views1 answer
Setstate before function react
Javascript React
-1 vote168 views4 answers
React native reset cache
Javascript React
0 vote174 views1 answer
Display only initials from full name reactjs
Javascript React
2 votes157 views1 answer
React refresh page every second
Javascript React
1 vote166 views2 answers
React native map array of objects
Javascript React
0 vote216 views1 answer
Button click open external link react
Javascript React
0 vote229 views1 answer
How to pass parent function to child screen in React Navigation
Javascript React
0 vote165 views1 answer
Dark mode with react hooks
Javascript React
65 votes158 views6 answers
Route react
Javascript React