Run results for: JS iterator vs array x

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.0.1 Safari/605.1.15

Browser: Safari 26

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 8 months ago

Array

41.2M/s

Iterator

16.6M/s

View exact numbers

Test name	Executions per second
✓ Array	41,202,180 Ops/sec
Iterator	16,623,865 Ops/sec

HTML Preparation code:

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

Script Preparation code:

const items = [1,2,3,4,5,6,7,8,9,10];

Tests:

Array
const arrayTransform = items.filter(i => i % 2 === 0).map(n => n * 2);
Iterator
const iterTransform = items.values().filter(i => i % 2 === 0).map(n => n * 2);