Run results for: JS iterator vs array

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_7_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.7 Mobile/15E148 Safari/604.1 Ddg/18.7

Browser: Mobile Safari 18

Operating system: iOS 18.7.1

Device Platform: Mobile

Date tested: 8 months ago

Array

7.6M/s

Iterator

1.7M/s

View exact numbers

Test name	Executions per second
✓ Array	7,567,264 Ops/sec
Iterator	1,684,725 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).toArray();