Run results for: Some vs Find vs For

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36

Browser: Chrome 143

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 4 months ago

Test name	Executions per second
Find	214633.3 Ops/sec
Some	191364.3 Ops/sec
FOR	111343.2 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')
FOR
function test() { for(let i = 0; i < data.length; i++) { if(data[i].username === 'titi') { return true; } } return false; } test();

Run results for: Some vs Find vs For

Find

Some

FOR