scsskid

/*
 * CHALLANGE:  
 * Cache `index.html` file using service worker.
 *
 * This bit of code is included in <script> tag of index.html
 * if (navigator.serviceWorker) {
 *   navigator.serviceWorker.register('serviceworker.js', {scope: '/'})
 * }
 *
 */

scsskid

/*

This module creates an HTTPS web server and serves static content
from a specified directory on a specified port.

To generate a new cert:

  openssl req -x509 -newkey rsa:2048 -keyout key.pem -out cert.pem -days 365

To remove the passphrase requirement:

scsskid

function deltaDate(input, days, months, years) {
  return new Date(
    input.getFullYear() + years,
    input.getMonth() + months,
    Math.min(
      input.getDate() + days,
      new Date(
        input.getFullYear() + years,
        input.getMonth() + months + 1,
        0

scsskid

Parsing

As local time

const date = new Date(2012, 11, 20, 3, 0, 0)

scsskid

// src: https://github.com/LeCoupa/awesome-cheatsheets

// Date Object CheatSheet
// The Date object is used to work with dates and times.
// More: http://www.w3schools.com/jsref/jsref_obj_date.asp


// 1. Instantiating a Date.

scsskid

{
	"USD": {
		"symbol": "$",
		"name": "US Dollar",
		"symbol_native": "$",
		"decimal_digits": 2,
		"rounding": 0,
		"code": "USD",
		"name_plural": "US dollars"
	},

scsskid

function NumberFormatter(locale, opts) {
    var formatNumber,
        defaults = {
            style: 'currency',
            currency: 'EUR'
        };
    opts = opts || {};
    opts = Object.assign({}, defaults, opts);
    
    formatNumber = new Intl.NumberFormat(locale, opts);

scsskid

sudo pkill -9 -u user

scsskid

const events = new Map();

class EventBus {
	/**
	 * Register an event handler for the given type.
	 *
	 * @param  {String} type    Type of event to listen for.
	 * @param  {Function} handler Function to call in response to given event.
	 */
	on(type, handler) {

scsskid

function parseFormData(formData) {
  const formEntries = new FormData(formData).entries();
  const data = {};

  for (var [formElementName, value] of formEntries) {
    data[formElementName] = value;
  }

  return data;
}