Run results for: immutable vs Native Javascript Map

Run details:

User agent: Mozilla/5.0 (Android 12; Mobile; rv:149.0) Gecko/149.0 Firefox/149.0

Browser: Firefox Mobile 149

Operating system: Android

Device Platform: Mobile

Date tested: 5 months ago

Benchmark engine: Benchmark.js

immutable Map

635/s

Native Javascript Map

277/s

View exact numbers

Test name	Executions per second
✓ immutable Map	635 Ops/sec
Native Javascript Map	277 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:

immutable Map
let obj = Immutable.Map(); for(i=0;i<10000;i++){ const key = 'key'+i const value = 'value'+i obj.set(key, {key, value}) }
Native Javascript Map
let obj = new Map(); for(i=0;i<10000;i++){ const key = 'key'+i const value = 'value'+i obj.set(key, {key, value}) }