Run results for: Some vs Find fedfd z

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36

Browser: Chrome 100

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Find	134633.2 Ops/sec
Some	60152.5 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' })

​x
 
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')
data.find(e => e.username === 'titi')

Some

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

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