"I’ve seen this confuse more than a handful of people recently, including myself, so I’m making sure it’s written down. Sometimes there are actual bugs with CSS custom properties. This isn’t one of them. Even though it sort of feels like a bug to me, apparently it’s not. Just one of those things you gotta know about."
"This is a bit of advice for developers on Macs I’ve heard quite a few times, and I’ll echo it: go into System Preferences > General > Show scroll bars and set to always. This isn’t about you, it’s about the web."
There’s something beautiful about the website caniuse.com which I never fully appreciated until last week when news spread that alert, prompt, and confirm are in danger of being deprecated from the web platform.