Run results for: Filter state 1000000 elements

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0

Browser: Firefox 52

Operating system: Windows 7

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
Plain JS	340.0 Ops/sec
Immutable	5.5 Ops/sec
Immutable Deep	10.1 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/immutable/3.8.2/immutable.min.js"></script>

Script Preparation code:

arr = [];
for(i=0;i<1000000;i++){
  arr.push({
    id: i,
    text: 'some long string which will need to be copied'
  })
}
immuObj = Immutable.Set(arr)
immuObj2 = Immutable.fromJS(arr)

Tests:

Plain JS
const final = arr.filter(val => val.id === 654321)
Immutable
const final = immuObj.filter(val => val.id === 654321)
Immutable Deep
const final = immuObj2.filter(val => val.get('id') === 654321)

Run results for: Filter state 1000000 elements

Plain JS

Immutable

Immutable Deep