Run results for: native findIndex vs lodash findIndex

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.77 Safari/537.36

Browser: Chrome 91

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Native findIndex	13799395.0 Ops/sec
_.findIndex	4592845.5 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 users = [
  { 'user': 'joey',  'age': 28 },
  { 'user': 'ross',    'age': 31 },
  { 'user': 'chandler', 'age': 30 },
  { 'user': 'jessika', 'age': 21 },
  { 'user': 'amanda', 'age': 17 }
]

Tests:

Native findIndex
users.findIndex(u => u.age === 30)
_.findIndex
_.findIndex(users, u => u.age === 30)

Run results for: native findIndex vs lodash findIndex

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

Native findIndex

_.findIndex