Run results for: promise vs callback vs async

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_1_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 16

Operating system: iOS 16.1.1

Device Platform: Mobile

Date tested: 9 months ago

Tests:

async
async function getData() { return new Promise((resolve, reject) => { setTimeout(() => { const data = 'Some data'; resolve(data); }, 0); }); } async function main() { const data = await getData(); console.log(data); } main();
callback
function getData(callback) { setTimeout(() => { const data = 'Some data'; callback(data); }, 0); } getData((data) => { console.log(data); });
promise
function getData() { return new Promise((resolve, reject) => { setTimeout(() => { const data = 'Some data'; resolve(data); }, 0); }); } getData().then((data) => { console.log(data)})