Lists & Keys in React

function TodoList() {
  const todos = [
    { id: 1, text: 'Learn React' },
    { id: 2, text: 'Build an app' },
    { id: 3, text: 'Deploy it' }
  ]
  
  return (
    <ul>
      {todos.map(todo => (
        <li key={todo.id}>
          {todo.text}
        </li>
      ))}
    </ul>
  )
}