Run results for: promise vs callback

Run details:

User agent: Mozilla/5.0 (iPad; CPU OS 12_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.2 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 12

Operating system: iOS 12.4

Device Platform: Tablet

Date tested: 2 years ago

callback

10.1M/s

async

108K/s

View exact numbers

Test name	Executions per second
✓ callback	10,109,874 Ops/sec
async	107,703 Ops/sec

Tests: