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

Question

I am working through a javascript problem that asks me to:

Write a function that splits an array (first argument) into groups the length of size (second argument) an

Answer 1

function chunk(arr, size) {
  var newArr = []; // New empty array
  while (arr.length > 0) { // Loop thru the array items
    newArr.push(arr.splice(0, size)); // Removes first 2 items then add it to new array
  }
  return newArr; // New 2D array
}

I tried using these lines of codes in console and it worked perfectly fine.