JavaScript Duplicate Empty Boxes Produced by a loop
for(d = 0; d < lotteryNums.length; d++) {
    for(x = 0; x < quickDrawNums.length; x++) {
        if(lotteryNums[d] == quickDrawNums[x]) {
            quickDrawNums[x] = "<span class='winner'>" + quickDrawNums[x] + "</span>";
            winCounter++;
        } else {
            quickDrawNums[x] = "<span class='number'>" + quickDrawNums[x] + "</span>";
        }
    }
}