Javascript-länkar att lägga till samlingen
Om ‘use strict’: http://ejohn.org/blog/ecmascript-5-strict-mode-json-and-more/
Modular Javascript/CommonJS: https://addyosmani.com/writing-modular-js/
Babel: Code for ES6 and still be backwards compatible with older browsers: https://babeljs.io
JSX In depth: http://facebook.github.io/react/docs/jsx-in-depth.html