I wonder how it works in practice. I've worked with git.js (old and ugly, but works) and js-git (looks nice but is quite complex). git.js even has a repository

I wonder how it works in practice. I've worked with git.js (old and ugly, but works) and js-git (looks nice but is quite complex). git.js even has a repository browsing demo (think gitk) that works in a browser. Did anyone use isomorphic git? Does it support smart http protocol?