Nested callbacks are a problem that every javascript/node.js developer runs in to. A common library to help with this and other issues is Async: https://github.

Nested callbacks are a problem that every javascript/node.js developer runs in to. A common library to help with this and other issues is Async: https://github.com/caolan/async https://github.com/caolan/async Sometimes, it's just better to give your functions names, and pull them out. RSVP.js looks nice. Also, I like jQuery's implantation of promises specifically with the ajax function.