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Run results for:
JS Array IndexOf vs includes vs findIndex vs find 2
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<iframe src="https://measurethat.net/Embed?id=565573" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Browser:
Chrome 130
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
indexOf
791K/s
includes
789K/s
findIndex
118K/s
find
116K/s
View exact numbers
Test name
Executions per second
✓
indexOf
790,909 Ops/sec
includes
788,998 Ops/sec
findIndex
118,134 Ops/sec
find
115,581 Ops/sec
Script Preparation code:
var arr = []; var i = 0; while (i < 15001) arr[i] = i++;
Tests:
indexOf
const index = arr.indexOf(15000);
includes
const included = arr.includes(15000);
find
const item = arr.find(item => item === 15000);
findIndex
const index = arr.findIndex(item => item === 15000);