Hey David, thanks so much for reading and taking the time to respond. I'm so glad my article was helpful for you! I really appreciate hearing from you.

I definitely agree that JavaScript could handle certain features like Deep Copy and Dates / Times better out of the box. These aspects still confuse me sometimes, for sure.

I'm actually working on a new article about using JavaScript Set for finding unique items, and one important thing to know with using Set is about object references.

If you'd like to follow along as I work on that article, please check out my new Twitch livestream https://www.twitch.tv/chillhopandcode for free programming lessons on weekdays. I'll be finishing that article on the show next week, so even if you don't tune in please be sure to look for it on my blog here at Medium.

Thanks again!