Run results for: lodash map vs js map

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
JS map	144675.3 Ops/sec
lodash map	147215.9 Ops/sec
js reduce	340736.6 Ops/sec
lodash reduce	348243.2 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 j = [1, 4, 9, 16, 25, 35, 49, 68, 74, 86, 93, 110, 121, 135, 141, 156, 157, 158, 161, 162, 163, 164, 165, 166, 167, 168]


function mapper(el) {
   return el + 10
}

function lodashMap () {
  arr = _.map(j, mapper)
  console.log(arr)
}

function jsMap () {
  arr = j.map(mapper)
  console.log(arr)
}

function reducer (sum, el){
	return sum + el
}

function lodashReduce () {
  sum = _.reduce(j, reducer, 0)
  console.log(sum)
}

function jsReduce () {
  sum = j.reduce(reducer, 0)
  console.log(sum)
}

Tests:

JS map
jsMap()
lodash map
lodashMap()
js reduce
jsReduce()
lodash reduce
lodashReduce()

Run results for: lodash map vs js map

JS map

lodash map

js reduce

lodash reduce