I Don’t Trust Google To Extract Data From Javascript, But…
Check out the “342 matches” snippet attached to the MadisonApartmentLiving.com result for “madison wi apartments“:
That “342 matches” is only visible on the MadisonApartmentLiving home page when javascript is turned on:
So not only is Google seeing content in JS, it considers a number + “matches” relevant enough to put it in the SERP snippet.
We always tell clients not to rely on Google to see your content that requires JS, and we still will, but GOOG is getting pretty good at this kind of thing.