Run results for: Some vs Find vs FindIndex

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.2 Safari/605.1.15

Browser: Safari 13

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
find	74721.3 Ops/sec
some	87052.9 Ops/sec
findIndex	99031.1 Ops/sec

Script Preparation code:

var data = []

for (let i = 0; i < 5000; ++i) data.push({ username: 'toto' })
data.push({ username: 'titi' })
for (let i = 0; i < 2500; ++i) data.push({ username: 'toto' })

Tests:

find
data.find(e => e.username === 'titi')
some
data.some(e => e.username === 'titi')
findIndex
data.findIndex(e => e.username === 'titi')

Run results for: Some vs Find vs FindIndex

find

some

findIndex