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Run results for:
findIndex vs includes vs map & indexOf
Comparing performance of: findIndex vs includes vs map and indexOf
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<iframe src="https://measurethat.net/Embed?id=553780" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15
Browser:
Safari 17
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
findIndex
269694.4 Ops/sec
includes
91675.6 Ops/sec
map and indexOf
6726.3 Ops/sec
Script Preparation code:
var arr = new Array(15000); arr.fill({ id: 0 }); arr = arr.map((el, idx) => el.id = idx); var foo = Math.floor(Math.random() * 15000);
Tests:
findIndex
var index = arr.indexOf(foo);
includes
var index = arr.includes(foo);
map and indexOf
var index = arr.map(o => o.id).indexOf(foo);