array-chunk.js

let testArr = [...Array(23).keys()]

function chunk(arr, size) {
  let chunkie = []
  let newConstruct = []
  for (let i in arr) {
    if (chunkie.length < size - 1) {
      chunkie.push(arr[i])
      if (arr.length === parseInt(i) + 1) {
        newConstruct.push(chunkie)
      }
    }
    else {
      chunkie.push(arr[i])
      newConstruct.push(chunkie)
      chunkie = []
    }
  }
  return newConstruct
}

console.log(chunk(testArr, 1))