“Pase los datos del componente infantil al componente principal” Código de respuesta

Pase los datos del componente infantil al componente principal

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"));
|_Genos_|

Pase los datos del componente infantil al componente principal

import React, { useState } from "react";

let myState = {};

const GrandParent = () => {
  const [name, setName] = useState("i'm Grand Parent");
  myState.name=name;
  myState.setName=setName;
  return (
    <>
      <div>{name}</div>
      <Parent />
    </>
  );
};
export default GrandParent;

const Parent = () => {
  return (
    <>
      <button onClick={() => myState.setName("i'm from Parent")}>
        from Parent
      </button>
      <Child />
    </>
  );
};

const Child = () => {
  return (
    <>
      <button onClick={() => myState.setName("i'm from Child")}>
        from Child
      </button>
    </>
  );
};
Inquisitive Ibex

Pase los datos del componente infantil al componente principal

function App() {
  return (
    <div className="App">
      <GrandParent />
    </div>
  );
}

const GrandParent = () => {
  const [name, setName] = useState("i'm Grand Parent");
  return (
    <>
      <div>{name}</div>
      <Parent setName={setName} />
    </>
  );
};

const Parent = params => {
  return (
    <>
      <button onClick={() => params.setName("i'm from Parent")}>
        from Parent
      </button>
      <Child setName={params.setName} />
    </>
  );
};

const Child = params => {
  return (
    <>
      <button onClick={() => params.setName("i'm from Child")}>
        from Child
      </button>
    </>
  );
};
Inquisitive Ibex

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