There are quite a few decent websites which can teach you and help to understand those technologies, e.g.: http://teamtreehouse.com/ http://teamtreehouse.com/ h

There are quite a few decent websites which can teach you and help to understand those technologies, e.g.: http://teamtreehouse.com/ http://teamtreehouse.com/ https://www.codeschool.com/ https://www.codeschool.com/ Would take one of the paths for web developer.