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Run results for:
Recursion vs While async
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Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:151.0) Gecko/20100101 Firefox/151.0
Browser:
Firefox 151
Operating system:
Linux
Device Platform:
Desktop
Date tested:
12 days ago
Test name
Executions per second
Recursion
26245144.0 Ops/sec
While
36789148.0 Ops/sec
Script Preparation code:
const response = Array(1000).fill(null).map((item, index) => `foo ${index}`) const getData = async () => { await new Promise(resolve => setTimeout(() => resolve(), 1000)) return response }
Tests:
Recursion
let items = [] const getItems = async (nextPage = 0) => { const _res = await getData() items.push(_res) if (nextPage < 5) { await getItems(nextPage + 1) } }
While
let items = [] const getItems = async (nextPage = 0) => { const _res = await getData() items.push(_res) let _nextPage = nextPage while (_nextPage < 5) { const _res = await getData() items.push(_res) _nextPage += 1 } }