>let is better than var (in every way), so you should never ever use var. Not in the case I presented. let has benefits, but that does not mean its 'better in

>let is better than var (in every way), so you should never ever use var. Not in the case I presented. let has benefits, but that does not mean its 'better in every way'. Again, dogmatism. Granted, the case I give is many, many iterations, it still is a problem if you're doing image filtering.