Run results for: filter map vs for loop

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

for loop

43K/s

filter map

24K/s

View exact numbers

Test name	Executions per second
✓ for loop	42,676 Ops/sec
filter map	24,407 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

const array = Array.from({length: 10_000}, (_, i) => i)

Tests:

for loop
const result = [] for (const el of array) if (el % 2) result.push(el*el)
filter map
array.filter(el => el%2).map(el => el*el)