This reminds me of an app that I built ~6 years ago http://cursorlog.appspot.com/ http://cursorlog.appspot.com/ - it's not working now, some JS error with `this

This reminds me of an app that I built ~6 years ago http://cursorlog.appspot.com/ http://cursorlog.appspot.com/ - it's not working now, some JS error with `this.hidden` :( Source code here https://code.google.com/p/cursorlog/ https://code.google.com/p/cursorlog/