Run results for: promise vs callback

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:139.0) Gecko/20100101 Firefox/139.0

Browser: Firefox 139

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

callback

751.4M/s

async

505K/s

View exact numbers

Test name	Executions per second
✓ callback	751,448,128 Ops/sec
async	504,684 Ops/sec

Tests: