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Run results for:
JS Array IndexOf vs includes vs findIndex vs find 3
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<iframe src="https://measurethat.net/Embed?id=626757" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:148.0) Gecko/20100101 Firefox/148.0
Browser:
Firefox 148
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
3 months ago
Test name
Executions per second
indexOf
57486.9 Ops/sec
includes
49841.0 Ops/sec
find
27548.5 Ops/sec
findIndex
27895.2 Ops/sec
Script Preparation code:
var arr = []; var i = 0; while (i < 15001) {arr[i] =i.toString(); 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");