package.json

{
  "scripts": {
    "test": "mocha -g",
    "start": "babel-node server.js",
    "prestart": "npm run build",
    "build": "npm-run-all 'build:*'",
    "build:js": "cross-env NODE_ENV=production browserify -t babelify -t envify src/app.js > static/build.js",
    "postbuild:js": "uglifyjs static/build.js -o static/build.js",
    "build:css": "cross-env NODE_ENV=production stylus css/main.styl -o static",
    "watch": "npm-run-all --parallel 'watch:*'",

bloodyowl

// ES6 tl;dr; for beginners
 
// 1. variables
 
// `const` & `let` are scoped at the block level
if(true) {
  let foo = "bar"
}
foo // ReferenceError
 

Mithrandir0x

// Source: https://groups.google.com/forum/#!topic/angular/hVrkvaHGOfc
// jsFiddle: http://jsfiddle.net/pkozlowski_opensource/PxdSP/14/
// author: Pawel Kozlowski

var myApp = angular.module('myApp', []);

//service style, probably the simplest one
myApp.service('helloWorldFromService', function() {
    this.sayHello = function() {
        return "Hello, World!"