index.js

import React from 'react';
import ReactDOM from 'react-dom';
import HideOrShow from './App';

function Display() {
  return (
    <HideOrShow>
      {
        ({isVisible, hide, show}) => (
          <div>
            {isVisible && <img src={require('./meme.jpg')} onClick={hide}/>}
            <button onClick={show}>Click to Know the Secret</button>
          </div>
        )
      }
    </HideOrShow>
  )
}

ReactDOM.render(<Display/>, document.getElementById('root'));
serviceWorker.register();