Lifecycle instance functions

lifecycleinstancefunction.jsx

class App extends React.Component() {
  callback = () => {
    // some logic
  };

  callback2 = () => {
    // some logic
  };
  render() {
    return (
      <div>
        <SomeChildComponent callback={callback} callback2={callback2} />
      </div>
    );
  }
}