Code Screenshot

function fibonacci(n: number): number {
  if (n <= 1) return n;
  return fibonacci(n - 1) + fibonacci(n - 2);
}

// 计算斐波那契数列前10 items
const result = Array.from({ length: 10 }, (_, i) => fibonacci(i));
console.log('Fibonacci:', result);

interface User {
  id: number;
  name: string;
  email: string;
}

async function fetchUser(id: number): Promise<User> {
  const response = await fetch(`/api/users/${id}`);
  return response.json();
}