Run results for: promise vs callback

Run details:

User agent: Mozilla/5.0 (Linux; Android 11; Mi 9T) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.166 Mobile Safari/537.36 OPR/65.2.3381.61420

Browser: Opera Mobile 65

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
async	1199281.2 Ops/sec
callback	680602880.0 Ops/sec

Tests:

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

Run results for: promise vs callback

async

callback