Run results for: promise vs callback

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36 OPR/115.0.0.0 (Edition Yx 05)

Browser: Opera 115

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

callback

163.1M/s

async

6.7M/s

View exact numbers

Test name	Executions per second
✓ callback	163,143,328 Ops/sec
async	6,682,584 Ops/sec

Tests:

async
(async() => { await true; })();
callback
((next) => {next()})(() => {});