var findCommon = function(arrs) {
    var resArr = [];
    for (var i = arrs[0].length - 1; i > 0; i--) {


        for (var j = arrs.length - 1; j > 0; j--) {
            if (arrs[j].indexOf(arrs[0][i]) == -1) {
                break;
            }
        }

        if (j === 0) {
            resArr.push(arrs[0][i]);
        }


    }
    return resArr;
}

var arrays  = [
    [1, 4, 6, 78, 8, 9, 124, 44],
    [44, 6, 9],
    [124, 44, 16, 9]
]

findCommon( arrays )
[44, 9]