Run results for: lodash map vs es6 map v2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 Edg/120.0.0.0

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

native map

102K/s

native reduce

92K/s

lodash map

85K/s

lodash reduce

80K/s

View exact numbers

Test name	Executions per second
✓ native map	101,691 Ops/sec
native reduce	92,285 Ops/sec
lodash map	85,018 Ops/sec
lodash reduce	79,904 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 lodashmap () {
  arr = _.map(j, function(el){
    return el * 10
  })
  console.log(arr)
}

function jsmap () {
  arr = j.map(function(el){
    return el * 10
  })
  console.log(arr)
}

function lodashreduce () {
  arr = _.reduce(j, (els, el) => {
    els.push(el * 10)
    // console.log(els)
    return els
  }, [])
  console.log(arr)
}

function jsreduce () {
  arr = j.reduce(function(els, el) {
    els.push(el * 10)
    return els
  }, [])
  console.log(arr)
}

Tests:

lodash map
lodashmap()
native map
jsmap()
lodash reduce
lodashreduce()
native reduce
jsreduce()