Run results for: object set vs immutable-js set vs map set

Run details:

User agent: Mozilla/5.0 (Linux; Android 7.1.2; Redmi 4X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.74 Mobile Safari/537.36

Browser: Chrome Mobile 95

Operating system: Android 7.1.2

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
object set	7095.6 Ops/sec
immutable-js	4154.7 Ops/sec
map set	10750.3 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/immutable/3.8.2/immutable.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/immutability-helper@2.7.0/index.min.js"></script>

Tests:

object set
let obj = {}; for(i=0;i<100;i++){ const key = 'key'+i const value = 'value'+i obj[key] = value }
immutable-js
let obj = Immutable.Map(); for(i=0;i<100;i++){ const key = 'key'+i const value = 'value'+i obj = obj.set(key, {key, value}) }
map set
let obj = new Map(); for(i=0;i<100;i++){ const key = 'key'+i const value = 'value'+i obj.set(key, value) }