Run results for: immutable js initial value vs set

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36

Browser: Chrome 79

Operating system: Mac OS X 10.15.2

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
initial value	14709.0 Ops/sec
set	53486.9 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:

initial value
for(i=0;i<100;i++){ const key = 'key'+i const value = 'value'+i const obj = Immutable.Map({[key]: value}) }
set
for(i=0;i<100;i++){ const key = 'key'+i const value = 'value'+i const obj = Immutable.Map().set(key, {key, value}) }