function getArr(arr, number) { let spliceArr = arr.slice(0); return Array.from({length: Math.ceil(arr.length/number)}, () => { return spliceArr.splice(0, number) })}
function getArr(arr, number) { let spliceArr = arr.slice(0); return Array.from({length: Math.ceil(arr.length/number)}, () => { return spliceArr.splice(0, number) })}