Run results for: promise vs callback

Run details:

User agent: Mozilla/5.0 (Linux; Android 11; Mi 9T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.210 Mobile Safari/537.36

Browser: Chrome Mobile 90

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
async	1155152.2 Ops/sec
callback	669763392.0 Ops/sec

Tests: