Useful links for learning JavaScript and Node:

CodeCademy online course: https://www.codecademy.com/learn/javascript
Eloquent Javascript, free book: http://eloquentjavascript.net/
MDN's JavaScript guide: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Introduction
You Don't Know JS (free book series): https://github.com/getify/You-Dont-Know-JS
Some Node: https://nodeschool.io/ https://www.codeschool.com/courses/real-time-web-with-node-js
Javascript reference/docs: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference