Run results for: Some vs Find vs For

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:140.0) Gecko/20100101 Firefox/140.0

Browser: Firefox 140

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

FOR

142K/s

Some

53K/s

Find

53K/s

View exact numbers

Test name	Executions per second
✓ FOR	142,064 Ops/sec
Some	53,235 Ops/sec
Find	52,759 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();