From comments: "How is filer.js better or different than the HTML5 Filesystem API?". I'm curious what the answer would be - but perhaps more importantly, the fl

From comments: "How is filer.js better or different than the HTML5 Filesystem API?". I'm curious what the answer would be - but perhaps more importantly, the flip side - why does HTML 5 do such a bad job that filer.js has a reason to exist?