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問題:編寫一個函數,將數組(第一個參數)拆分爲長度爲大小的組(第二個參數),並將它們返回爲二維數組。FreeCodeCamp Chucky Monkey
爲什麼不用這個工作呢? for(var i = 0; i < arr.length; i+=size)
function chunkArrayInGroups(arr, size) {
// Break it up
// It's already broken :(
arr = arr.slice();
var arr2 = [];
for(var i = 0, len = arr.length; i < len; i+=size)
{
arr2.push(arr.slice(0, size));
arr = arr.slice(size);
}
return arr2;
}