javascript - 有人可以帮助我使用这种从某些值拆分数组的算法吗？

Question

我正在尝试自动化我的工作，我正在将一个大数组分解成更小的数组，如下所示:

function splitArray(arr, firstbreak, secondBreak, thirdBreak, fourthBreak) {
  var split1 = arr.slice(0, firstbreak);
  var split2 = arr.slice(firstbreak, firstbreak + secondBreak);
  var split3 = arr.slice(firstbreak + secondBreak, firstbreak + secondBreak + thirdBreak);
  var split4 = arr.slice(firstbreak + secondBreak + thirdBreak, firstbreak + secondBreak + thirdBreak + fourthBreak);

  console.log(split1); //[1,2,3]
  console.log(split2); //[4,5,6,7]
  console.log(split3); //[8]
  console.log(split4); //[9,10]
}


splitArray([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 2, 4, 3, 1, 2)

我怎样才能自动化这个？我尝试了一个 for 循环，但有点卡住了我似乎无法获得重复的公式......

Answer 1

您可以收集长度并映射零件数组。

function splitArray(array, ...lengths) {
    return lengths.map((i => l => array.slice(i, i += l))(0));
}

console.log(splitArray([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 2, 4, 3, 1, 2))

.as-console-wrapper { max-height: 100% !important; top: 0; }