Run results for: Lodash: differenceBy vs filter & some

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Lodash differenceBy

4.0M/s

javascript filter and some

1.7M/s

View exact numbers

Test name	Executions per second
✓ Lodash differenceBy	4,023,598 Ops/sec
javascript filter and some	1,730,370 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