看到一道小的面试题

// 输入数据
const input =  [ [1, 2, 2], [3, 4, 5, 5], [6, 7, 8, 9, [11, 12, [12, 13, [14] ] ] ], 10]

// 输出数据
expect =  [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14]

console.log([...new Set((input.flat(Infinity)).sort((a, b) => a - b))])

new Set 去重

flat扁平化

sort排序