Run results for: Lodash: differenceBy vs filter & some

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 133

Operating system: Android

Device Platform: Mobile

Date tested: 2 months ago

Test name	Executions per second
Lodash differenceBy	3201312.0 Ops/sec
javascript filter and some	5559770.0 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/lodash/4.16.0/lodash.min.js"></script>

Script Preparation code:

var fullArray = [
  {
    title: 'full arr 1',
    value: '1',
  },
  {
    title: 'full arr 2',    
    value: '2',
  },
  {
    title: 'full arr 3',    
    value: '3',
  }
]
var partialArray = [
  {
    value: '1',
  },
  {
    value: '3',
  }
]

Tests:

Lodash differenceBy
_.differenceBy( fullArray, partialArray, 'value', )
javascript filter and some
fullArray.filter(full => !partialArray.some(par => String(par.id) === full.value))

Run results for: Lodash: differenceBy vs filter & some

Comparing performance of: lodash differenceBy with javascript filter and find

Lodash differenceBy

javascript filter and some