Run results for: native findIndex vs lodash findIndex vs lodash find

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_5_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/137.0.7151.79 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 137

Operating system: iOS 18.5.0

Device Platform: Mobile

Date tested: 11 months ago

Test name	Executions per second
Native findIndex	108302648.0 Ops/sec
_.findIndex	97690832.0 Ops/sec
_.find	43925340.0 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js'></script>

Script Preparation code:

var users = [
  { 'user': 'joey',  'age': 28 },
  { 'user': 'ross',    'age': 31 },
  { 'user': 'chandler', 'age': 30 },
  { 'user': 'jessika', 'age': 21 },
  { 'user': 'amanda', 'age': 17 }
]

Tests:

Native findIndex
let index = users.findIndex(u => u.age === 30) let user = users[index]
_.findIndex
let index = _.findIndex(users, u => u.age === 30) let user = users[index]
_.find
let user = _.find(users, u => u.age === 30)

Run results for: native findIndex vs lodash findIndex vs lodash find

Compare performance of native [].findIndex and _.findIndex and _.find

Native findIndex

_.findIndex

_.find