chunky_monkey.js

/*

Write a function that splits an array (first argument) into groups the length of size (second argument) and returns them as a two-dimensional array.

*/

function chunkArrayInGroups(arr, size) {
    let newArr = [];
    let secondArr = 0;
    let thirdArr = size;
    for (var i = 0; i < arr.length; i += size) {
        newArr.push(arr.slice(secondArr, thirdArr));
        secondArr += size;
        thirdArr += size;
    }
    console.log(newArr);
    return newArr;
}

chunkArrayInGroups(["a", "b", "c", "d"], 2) // should return [["a", "b"], ["c", "d"]].
chunkArrayInGroups([0, 1, 2, 3, 4, 5], 3) // should return [[0, 1, 2], [3, 4, 5]].
chunkArrayInGroups([0, 1, 2, 3, 4, 5], 2) // hould return [[0, 1], [2, 3], [4, 5]].
chunkArrayInGroups([0, 1, 2, 3, 4, 5], 4) // should return [[0, 1, 2, 3], [4, 5]].
chunkArrayInGroups([0, 1, 2, 3, 4, 5, 6], 3) // should return [[0, 1, 2], [3, 4, 5], [6]].
chunkArrayInGroups([0, 1, 2, 3, 4, 5, 6, 7, 8], 4) // should return [[0, 1, 2, 3], [4, 5, 6, 7], [8]].
chunkArrayInGroups([0, 1, 2, 3, 4, 5, 6, 7, 8], 2) // should return [[0, 1], [2, 3], [4, 5], [6, 7], [8]]