Run results for: Some vs Find vs FindIndex

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.105 Safari/537.36

Browser: Chrome 84

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
find	3331.6 Ops/sec
some	3638.7 Ops/sec
findIndex	4557.2 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