JavaScript

• Code Editor: Sublime Text

Courses

• Code School – JavaScript

• Codeacademy – JavaScript (Free)

• Crockford on JavaScript: A Public Lecture Series at Yahoo! (Free)

Tutorials (Free)

• Mozilla Developer Network – JavaScript basics – Learning the Web

• Superhero.js

Books

• A Smarter Way to Learn JavaScript

• JavaScript: The Good Parts

• JavaScript Patterns

• JavaScript: The Definitive Guide

• Eloquent JavaScript (Free)

For front-end developers, you must also learn HTML & CSS. Probably jQuery as well.

• A great analogy for HTML, CSS, and JavaScript: Part of a Website Explained as a House
• Books

  • Web Design with HTML, CSS, JavaScript and jQuery Set

  • JavaScript and JQuery: Interactive Front-End Web Development

• Courses

  • Treehouse – Learn Front End Web Development & JavaScript + jQuery
  • Code School – HTML/CSS
  • Codeacademy – HTML & CSS (Free)
• Tutorial: W3Schools (Free)

For server-side developers, check out Node.js:

• Courses

  • Treehouse – Node.js Basics
  • nodeschool.io (Free)