Run results for: promise vs callback

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; SM-G973F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.152 Mobile Safari/537.36

Browser: Chrome Mobile 88

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
async	619816.6 Ops/sec
callback	640992832.0 Ops/sec

Tests: