Run results for: t54 xxx

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.84 Safari/537.36

Browser: Chrome 68

Operating system: Mac OS X 10.12.6

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
l map	55942.2 Ops/sec
map	52675.1 Ops/sec
l reduce	51334.7 Ops/sec
reduce	55535.3 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 = [
  { 'user': 'barney', 'active': true, 'age': 27 },
  { 'user': 'fred',   'active': false, 'age': 32 },
  { 'user': 'greg',   'active': false, 'age': 42 },
  { 'user': 'max',   'active': false, 'age': 2 },
  { 'user': 'ellin',   'active': false, 'age': 102 }
]

function lodashmap () {
  arr = _.map(j, function(el){
    return el
  })
  console.log(arr)
}

function jsmap () {
  arr = j.map(function(el){
    return el
  })
  console.log(arr)
}

function lodashreduce () {
  arr = _.reduce(j, (els, el) => {
    els.push(el)
    return els
  }, [])
  console.log(arr)
}

function jsreduce () {
  arr = j.reduce(function(els, el) {
    els.push(el)
    return els
  }, [])
  console.log(arr)
}

Tests:

l map
lodashmap()
map
jsmap()
l reduce
lodashreduce()
reduce
jsreduce()

l map

map

l reduce

reduce