jsmanifest

function doNothing(obj) {
  return obj ? obj : obj
}

function doSomethingButNothingStill(obj) {
  if (obj) {
    obj = obj
  }
  return obj ? obj : obj
}

jsmanifest

function doNothing(obj) {
  return obj ? obj : obj
}

const result = doNothing({ name: 'Bob' })

jsmanifest

{
  "game1": {
    "lakers": 80,
    "celtics": 80,
    "overtime": {
      "lakers": 96,
      "celtics": 116
    }
  },
  "game2": {

jsmanifest

function doubleTheNums(obj) {
  const keys = Object.keys(obj)
  
  for (let index = 0; index < keys.length; index++) {
    const key = keys[index]
    const value = obj[key]
    if (typeof value === 'number') {
      obj[key] = obj[key] * 2
    } else if (value && typeof value === 'object') {
      doubleTheNums(obj[key])

jsmanifest

function doubleTheNums(obj) {
  const keys = Object.keys(obj)
  
  for (let index = 0; index < keys.length; index++) {
    const key = keys[index]
    const value = obj[key]
    if (typeof value === 'number') {
      obj[key] = obj[key] * 2
    } else if (value && typeof value === 'object') {
      doubleTheNums(obj[key])

jsmanifest

{
  "game1": {
    "lakers": 80,
    "celtics": 80,
    "overtime": {
      "lakers": 48,
      "celtics": 58
    }
  },
  "game2": {

jsmanifest

function doubleTheNums(obj) {
  const keys = Object.keys(obj)
  
  for (let index = 0; index < keys.length; index++) {
    const key = keys[index]
    const innerObj = obj[key]
    const innerObjKeys = Object.keys(innerObj)
    for (let innerIndex = 0; innerIndex < innerObjKeys.length; innerIndex++) {
      const innerObjKey = innerObjKeys[innerIndex]
      const innerObjKeyValue = innerObj[innerObjKey]

jsmanifest

function append(str, modify = (s) => s) {
  return `hello ${modify(str)}`
}

function capitalize(value) {
  return value.toUpperCase()
}

const result = append('boss', capitalize) // 'hello BOSS'

jsmanifest

const f = console.log
const g = (str) => `Hello, ${str}`

const sayWord = (x) => f(g(x))
sayWord('bryan') // "Hello, bryan

jsmanifest

class SomeElement<T> {
  private element: T
  
  constructor(element: T) {
    this.element = element
  }
  
  getElement() {
    return this.element
  }