davodey

const express = require("express"),
      bodyParser = require("body-parser"),
      cors = require("cors"),
      { auth } = require('express-openid-connect'),
      EventEmitter = require('events'),

      BASE_URL = process.env.BASE_URL || "http://localhost:5000",
      PORT = process.env.PORT || 5000,
      server = express(),
      router = express.Router(),

davodey

(function (w, doc) {
  doc.addEventListener("DOMContentLoaded", function(){
    // Handler when the DOM is fully loaded
    const trigger = document.querySelector('#content-loader');
    const output = document.querySelector('#output');
    const MOCK_SERVER_DATA = '<h1>Loaded Content</h1><p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p><p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in volup

davodey

(function (win,doc) {
  doc.addEventListener("DOMContentLoaded", function() {
    var el = document.querySelector('div.navPusher');

// create wrapper container
    var wrapper = document.createElement('main');
    wrapper.id = "main"
// insert wrapper before el in the DOM tree
    el.parentNode.insertBefore(wrapper, el);

davodey

(function (w, doc) {
  doc.addEventListener("DOMContentLoaded", function(){
  
    const forEach = Array.prototype.forEach,
      triggers = doc.querySelectorAll('button[data-trigger="alert"]');

    function generateAlert(opts) {
      const alert = doc.createElement('pearson-alert');
      for (let attrName in opts) {
        alert.setAttribute(attrName, opts[attrName])

davodey

// elements sdk
<ul class="pe-list pe-list--unstyled">
  <li>One</li>
  <li>Two</li>
  <li>Three
	<ul class="pe-list pe-list--unstyled">
	  <li>Three-One</li>
	  <li>Three-Two</li>
	  <li>Three-Three</li>
	</ul>

davodey

html {
  box-sizing: border-box;
}
*, *:before, *:after {
  box-sizing: inherit;
}

davodey

function multiply (a, b) {
  return a * b;
}

// creates a new functions that changes the first argument a in multiply to 2
var multiplyByTwo = multiply.bind(this, 2);

multiplyByTwo(4)
// returns 8

davodey

function makeGreeting (language) {
  return function (firstname, lastname) {
    if (language === 'en') {
      return 'hello' + firstname + '' + lastname;
    }
    
    if (language === 'es') {
      return 'hola' + firstname + '' + lastname;
    }
  }

davodey

var products = [
  { name: 'cucumber', type: 'vegetable'},
  { name: 'banana', type: 'fruit'},
  { name: 'orange', type: 'fruit'}
];

var filteredProducts = [];

// what we want to get away from
for (var i = 0; i < products.length; i ++) {

davodey

var numbers = [1,2,3];
var doubledNumbers = [];

// want to move away from this
for (var i = 0; i < numbers.length; i++) {
 doubledNumbers.push(numbers[i] * 2); 
}

// creates a new array with values returned from function
var doubled = numbers.map(function(number){