I like this. It's very well done. Thank you for sharing this code. It allows someone like me, who is not that good with javascript to play around with what y

I like this. It's very well done. Thank you for sharing this code. It allows someone like me, who is not that good with javascript to play around with what you've done, understand it and start to make changes on a playground where I know it started out working, and can backpedal when I break things.