Run results for: set-immutablejs-vs-plain

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36

Browser: Chrome 79

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
plain	368.9 Ops/sec
immutablejs	486.1 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:

plain
const obj = {}; for(i=0;i<100000;i++){ obj[i] = 'some long string which will need to be copied'; }
immutablejs
const obj = Immutable.Map(); for(i=0;i<100000;i++){ obj.set(i, 'some long string which will need to be copied'); }