Run results for: JS iterator vs array

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36

Browser: Chrome 136

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Array

11.2M/s

Iterator

1.7M/s

View exact numbers

Test name	Executions per second
✓ Array	11,224,229 Ops/sec
Iterator	1,687,429 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();