Results 2 comments of Pete

@malsup Here's an example where this "bug" can be reproduced (I edited a guy's code basis in a forum, and discovered this problem, so Googled it, and found this issue...

@van-nguyen This is not so weird, because the patch is not a good solution. For example what if `opts` is NOT undefined, but it doesn't contain the `slideCount` property? This...