Run results for: promise vs callback

Run details:

User agent: Mozilla/5.0 (Linux; Android 9; SM-G611F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Mobile Safari/537.36

Browser: Chrome Mobile 92

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
async	404827.6 Ops/sec
callback	108280952.0 Ops/sec

Tests: