groupList(array, subGroupLength) {
? ? let index = 0;
? ? let newArray = [];
? ? while(index < array.length) {
? ? ? ? newArray.push(array.slice(index, index += subGroupLength));
}
? ? return newArray;
},
groupList(array, subGroupLength) {
? ? let index = 0;
? ? let newArray = [];
? ? while(index < array.length) {
? ? ? ? newArray.push(array.slice(index, index += subGroupLength));
}
? ? return newArray;
},