/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

0 vote209 views6 answers
Replace all in react js
Javascript React
9 votes240 views3 answers
React import font awesome
Javascript React
0 vote213 views1 answer
Ctx beginpath react
Javascript React
0 vote229 views1 answer
Add pdf in react app
Javascript React
0 vote217 views1 answer
Set navigation drawer to open by default react native
Javascript React
0 vote226 views1 answer
React document documentMode not found
Javascript React
0 vote220 views1 answer
Empty div react
Javascript React
0 vote217 views1 answer
React native delay input
Javascript React
5 votes211 views2 answers
React js onclick call two functions
Javascript React
2 votes217 views5 answers
React native debugger
Javascript React