Run results for: Promise vs async vs callbacks - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:137.0) Gecko/20100101 Firefox/137.0

Browser: Firefox 137

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Callback	2600593920.0 Ops/sec
Promise	9696656.0 Ops/sec
Async	856263.2 Ops/sec

Tests:

Callback
((next) => {next()})(() => {});
Promise
new Promise((resolve) => { resolve(true)});
Async
(async() => { await true; })();