Run results for: lodash reduce vs. native reduce

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_5_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.5 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.5.1

Device Platform: Mobile

Date tested: 2 years ago

Benchmark engine: Benchmark.js

native reduce

11.3M/s

_.reduce

5.9M/s

View exact numbers

Test name	Executions per second
✓ native reduce	11,293,668 Ops/sec
_.reduce	5,870,448 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 }, {})