Run results for: lodash reduce vs. native reduce

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:81.0) Gecko/20100101 Firefox/81.0

Browser: Firefox 81

Operating system: Mac OS X 10.14

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
_.reduce	7384611.0 Ops/sec
native reduce	12637170.0 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:

var stuff = [
  { name: 'pi', value: 3.14 },
  { name: 'hundred', value: 100 },
  { name: 'truthy', value: true },
  { name: 'falsy', value: false },
  { name: 'estring', value: '2.71828' },
]

Tests:

_.reduce
_.reduce(stuff, (acc, item) => { acc[item.name] = item.value return acc }, {})
native reduce
stuff.reduce((acc, item) => { acc[item.name] = item.value return acc }, {})

Run results for: lodash reduce vs. native reduce

_.reduce

native reduce