当你需要将多个数组压缩成一个数组 ~~~ const zip = (...arr) => Array.from({ length: Math.max(...arr.map((a) => a.length)) }, (_, i) => arr.map((a) => a[i])) zip([1,2,3,4], ['a', 'b', 'c', 'd'], ['A', 'B', 'C', 'D']) // [[1, 'a', 'A'], [2, 'b', 'B'], [3, 'c', 'C'], [4, 'd', 'D']] ~~~