All Array Object into n Group

index.js

function createChunked(arr, chunkSize) {
    var onjects = [],
        i = 0,
        lmt = chunkSize;

    for (; i < arr.length; i += chunkSize) {

        if (lmt == (chunkSize * 8)) {
            lmt = lmt + arr.length - (chunkSize * 8);
        }
        if (lmt <= arr.length) {
            var tmpArray = arr.slice(i, lmt);
            onjects.push(tmpArray);
            lmt = lmt + chunkSize;
        }
    }
    return onjects;
}

var totalObj = allObjects.length;
var count = parseInt(totalObj / 8); // n=8
var grouped = createChunked(allObjects, count);
console.log(grouped);