Run results for: Lodash Object/Array map vs native

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.109 Safari/537.36

Browser: Chrome 98

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Native Object Map	61289.3 Ops/sec
Lodash Object Map	60031.9 Ops/sec
js Map	61377.8 Ops/sec
lodash Array Map	69487.0 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

const obj = {
    '1':    1,
    '2':    2,
    '3':    3,
    '4':    4,
    '5':    5,
    '6':    6,
    '7':    7,
    '8':    8,
    '9':    9,
    '10':   10,
    '11':   11,
    '12':   12,
    '13':   13
}

function mapper(el) {
 return el + 10
}
function lodashObjectMap () {
  res = _.map(obj, mapper)
  console.log(res)
}

function jsValuesMap () {
  res = Object.values(obj).map(mapper)
  console.log(res)
}

const arr = [1,2,3,4,5,6,7,8,9,10,11,12,13]

function lodashArrayMap() {
  res = _.map(arr, mapper)
  console.log(res)
}

function jsMap(){
  res = arr.map(mapper)
  console.log(res)
}

Tests:

Native Object Map
jsValuesMap()
Lodash Object Map
lodashObjectMap()
js Map
jsMap()
lodash Array Map
lodashArrayMap()

Run results for: Lodash Object/Array map vs native

Native Object Map

Lodash Object Map

js Map

lodash Array Map