Run results for: RxJS filter vs if

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

Browser: Chrome 129

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

125K/s

Filter

79K/s

View exact numbers

Test name	Executions per second
✓ If	125,113 Ops/sec
Filter	79,480 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/rxjs/6.6.2/rxjs.umd.min.js'></script>

Tests:

If
const stream = new rxjs.Subject(); stream.subscribe(v => { if(v) { console.log(v); } }); stream.next(true); stream.next(false); stream.next(true);
Filter
const stream = new rxjs.Subject(); stream.pipe( rxjs.operators.filter(v => v) ).subscribe(v => { console.log(v); }); stream.next(true); stream.next(false); stream.next(true);