如何使用映射或过滤器将代码重构为Javascript ES6？

const numbers = [1, 2, 3, 4, 5];

// 使用map方法将每个数字乘以2
const doubled = numbers.map(number => number * 2);

console.log(doubled); // 输出: [2, 4, 6, 8, 10]

const numbers = [1, 2, 3, 4, 5, 6];

// 使用filter方法筛选出偶数
const evens = numbers.filter(number => number % 2 === 0);

console.log(evens); // 输出: [2, 4, 6]

const numbers = [1, 2, 3, 4, 5, 6];
let result = [];

for (let i = 0; i < numbers.length; i++) {
  let number = numbers[i];
  if (number % 2 === 0) {
    result.push(number * 2);
  }
}

console.log(result); // 输出: [4, 8, 12]

const numbers = [1, 2, 3, 4, 5, 6];

// 先过滤出偶数，然后将每个偶数乘以2
const result = numbers.filter(number => number % 2 === 0)
                     .map(number => number * 2);

console.log(result); // 输出: [4, 8, 12]