Better still, it's super simple to find and use. Professing myself as a critic of, uh, myself it seems my own litmus test for how useful something is depends on how many iterations it takes before I don't maintain it any longer, or abandon it all together. At this point, I've logged years on this one, and use it on an almost daily basis... hopefully that bodes well. Since there's really only one way to find out, I thought I'd share it and request feedback. I'm open to feature suggestions, but it's errors I'm really curious about.
Here's how to use it.
Here are a few example pages using expose.js to enumerate properties: