pfftdammitchris

async function start() {
  try {
    return await getRandomItem(['a', 1, 3, 'ccc'])
  } catch (error) {
    window.alert(`You picked out number. Please try again for a string`)
  }
}

pfftdammitchris

function map(arr, callback) {
  const results = []

  for (let index = 0; index < arr.length; index++) {
    const item = arr[index]
    // The promise ends up here. But this time we save the result inside our final collection that is being returned after the loop is finished
    const result = callback(item)
    results.push(result)
  }

pfftdammitchris

function delay(ms, value) {
  return new Promise((resolve) => {
    setTimeout(() => resolve(value), ms)
  })
}

async function getRandomItem(arr) {
  try {
    const result = await delay(200, arr[Math.floor(Math.random() * arr.length)])

pfftdammitchris

async function start() {
  const arr = ['1', 2, 3, 'hello'].map((item) => Promise.resolve(item))
  const newArr = []

  arr.forEach(async (item) => {
    const result = await item
    newArr.push(result)
  })

  console.log(newArr)

pfftdammitchris

function LocalStorage() {
  let _data = {}
  let _options = {}

  return {
    get(key) {
      return _data[key]
    },
    set(key, value) {
      _data[key] = value

pfftdammitchris

const MySingleton = {
  sayHello() {
    console.log('hello')
  },
}

pfftdammitchris

class LocalStorage {
  #data = {}

  constructor(options) {
    this.options = options || {}
  }

  get(key) {
    return this.#data[key]
  }

pfftdammitchris

class LocalStorage {
  #data = {}

  static _instance = null

  static getInstance(options) {
    if (!LocalStorage._instance) {
      LocalStorage._instance = new LocalStorage(options)
    }

pfftdammitchris

const localStorage = LocalStorage()

pfftdammitchris

function LocalStorage(options) {
  let _data = {}
  let _options = options || {}

  return {
    get(key) {
      return _data[key]
    },
    set(key, value) {
      _data[key] = value