Run results for: Iterator map vs Array map

Run details:

User agent: Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/138.0 Firefox/138.0

Browser: Firefox Mobile 138

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Array

4.3M/s

Iterator

219K/s

View exact numbers

Test name	Executions per second
✓ Array	4,253,358 Ops/sec
Iterator	218,642 Ops/sec

HTML Preparation code:

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

Script Preparation code:

const array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]

Tests:

Iterator
array.values().map(item => item * 2).map(item => item ** 2).reduce((a, b) => a + b)
Array
array.map(item => item * 2).map(item => item ** 2).reduce((a, b) => a + b)