Run results for: RXJS - simple if vs filter

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Filter

521K/s

Simple if

473K/s

View exact numbers

Test name	Executions per second
✓ Filter	521,498 Ops/sec
Simple if	473,303 Ops/sec

HTML Preparation code:

<script src="https://unpkg.com/rxjs@^7/dist/bundles/rxjs.umd.min.js"></script>

Tests:

Simple if
const obs$ = rxjs.of({name: 'Test'}); obs$.pipe( rxjs.tap((user) => { if (user.name) { console.log(user.name); } })).subscribe();
Filter
const obs$ = rxjs.of({name: 'Test'}); obs$.pipe( rxjs.filter((user) => user.name), rxjs.tap((user) => { console.log(user.name); })).subscribe();