Answers for "pass data from child component to parent component react native"

Javascript

pass data from child component to parent component react native

class Parent extends React.Component {
  state = { message: "" }
  callbackFunction = (childData) => {
        this.setState({message: childData})
  },
  render() {
          return (
              <div>
                   <Child1 parentCallback = {this.callbackFunction}/>
                   <p> {this.state.message} </p>
              </div>
          );
  }
}

class Child1 extends React.Component{
  sendData = () => {
           this.props.parentCallback("Hey Popsie, How’s it going?");
      },
  render() { 
  //you can call function sendData whenever you'd like to send data from child component to Parent component.
      }
};

Posted by: Guest on June-02-2020

pass element from child to parent react

Parent:

<div className="col-sm-9">
     <SelectLanguage onSelectLanguage={this.handleLanguage} /> 
</div>

Child:

handleLangChange = () => {
    var lang = this.dropdown.value;
    this.props.onSelectLanguage(lang);            
}

Posted by: Guest on March-26-2020

pass data from child component to parent component

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>
    </>
  );
};

Posted by: Guest on September-08-2021

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Answers for "pass data from child component to parent component react native"

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