Run results for: Some vs Find vs For

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36

Browser: Chrome 147

Operating system: Windows

Device Platform: Desktop

Date tested: 3 months ago

Some

74K/s

FOR

63K/s

Find

62K/s

View exact numbers

Test name	Executions per second
✓ Some	73,662 Ops/sec
FOR	62,709 Ops/sec
Find	61,750 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')
FOR
function test() { for(let i = 0; i < data.length; i++) { if(data[i].username === 'titi') { return true; } } return false; } test();