I write JavaScript for my day job, but I only recently started learning how engines optimize it. I had a ton of fun reading this article: https://mathiasbynens.

I write JavaScript for my day job, but I only recently started learning how engines optimize it. I had a ton of fun reading this article: https://mathiasbynens.be/notes/shapes-ics https://mathiasbynens.be/notes/shapes-ics (which I discovered in another HN post somewhere)