Run results for: promise vs callback

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Browser: Firefox 128

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

callback

710.4M/s

async

329K/s

View exact numbers

Test name	Executions per second
✓ callback	710,430,784 Ops/sec
async	329,075 Ops/sec

Tests: