JavaScript W3 Schools - JavaScript https://www.w3schools.com/js/default.asp Mozilla Developer Network - JavaScript https://developer.mozilla.org/en-US/docs/Web/JavaScript ECMA https://www.ecma-international.org ECMAScript https://www.ecma-international.org/memento/TC39.htm ECMAScript6 (ES6) http://es6-features.org/#Constants Exploring ES6 http://exploringjs.com/es6.html Exploring JavaScript http://exploringjs.com Node Node.js https://nodejs.org/en/ Express.js http://expressjs.com Mongoose http://mongoosejs.com MongoDB MongoDB https://www.mongodb.com