dailylog 6-02-20

WRONG

function App() {
  return (
    <div>
      <Header />
      {notes.map(note => (
        <Note props={note} />
      ))}
      <Footer />
    </div>
  );
}

RIGHT

function App() {
  return (
    <div>
      <Header />
      {notes.map(note => (
        <Note key={note.key} title={note.title} content={note.content} />
      ))}
      <Footer />
    </div>
  );
}