I didn't know about either of those, and I've been using js for 20ish years. I could have used those sharp variables in a previous project! Fortunately it's not

I didn't know about either of those, and I've been using js for 20ish years. I could have used those sharp variables in a previous project! Fortunately it's not terribly hard to do the same thing with an IIFE. Or get() method.