gitHub page says, "Matches.js is deprecated. Please check out sparkler, a native pattern matching engine built using sweet.js macros. It does everything matches.js does and more, except it isn't a hideous hack!"
Links Related:
https://github.com/natefaubion/sparklerhttps://github.com/mozilla/sweet.js
I added this to CDNJS so that anyone can use it without downloading the files.
//cdnjs.cloudflare.com/ajax/libs/headroom/0.5.0/headroom.min.js
I have it on a site I am redesigning. Pretty useful to keep the focus on content. And solves the problem of scrolling back to the top to find navigation.