An excellent tutorial on Javascript

[Randy Shepherd]

For those of you for which this is the first foray into Javascript here
is a well done, extensive tutorial.

https://developer.mozilla.org/en/JavaScript/Guide

[Randolph]

To add to that here's a simple walk through on a simple application of
node js to help reinforce your understanding after reading the module,
sys & addon at the node js documentation:

http://net.tutsplus.com/tutorials/javascript-ajax/learning-serverside-javascript-with-node-js/