Run results for: promise vs callback

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:127.0) Gecko/20100101 Firefox/127.0

Browser: Firefox 127

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

callback

887.7M/s

async

501K/s

View exact numbers

Test name	Executions per second
✓ callback	887,733,312 Ops/sec
async	501,170 Ops/sec

Tests: