1chunk([1, 2, 3, 4, 5, 6, 7, 8], 4);     // [[1, 2, 3, 4], [5, 6, 7, 8]]

1function cleanUpArray(arr) {
2	let intArray = arr.map(x => parseInt(x))
3	let evenArray = []
4	intArray.map(x => {
5		if(x % 2 === 0){
6			evenArray.push(x)
7		}
8	})
9		let oddArray = []
10	intArray.map(x => {
11		if(x % 2 !== 0){
12			oddArray.push(x)
13		}
14	})
15	return [evenArray, oddArray]
16}