js把数组处理成几个一组的数据

function changeArrNum(arr:any,num:number){
	let newCardList:any = [];
	for (var i = 0; i < arr.length; i += num) {
		newCardList.push(arr.slice(i, i + num));
	}
	return newCardList;
}
changeArrNum(res.data.peiyangminmingxi,5)