Documentación para JavaScript
JavaScript
JavaScript Tutorial
https://s3-us-west-2.amazonaws.com/secure.notion-static.com/914ff52d-9824-491f-8631-73252dec4fa9/JavaScriptNotesForProfessionals.pdf
Documentación para juegos en JS
Phaser - News - Socket.io Multiplayer Tutorial: How to make a multiplayer online game with Phaser, Socket.io and Node.js.