Run results for: Some vs Find

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:33.0) Gecko/20120101 Firefox/33.0

Browser: Firefox 33

Operating system: Windows 7

Device Platform: Desktop

Date tested: 2 years ago

Some

62K/s

Find

55K/s

View exact numbers

Test name	Executions per second
✓ Some	62,154 Ops/sec
Find	55,053 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')