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Run results for:
JS Array IndexOf vs includes vs findIndex vs find
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<iframe src="https://measurethat.net/Embed?id=629113" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Mobile Safari/537.36
Browser:
Chrome Mobile 148
Operating system:
Android
Device Platform:
Mobile
Date tested:
26 days ago
Test name
Executions per second
indexOf
66203.7 Ops/sec
includes
66295.8 Ops/sec
find
1106.9 Ops/sec
findIndex
1039.9 Ops/sec
Script Preparation code:
var arr = []; var i = 0; while (i <= 1E5) arr[i] = i++;
Tests:
indexOf
const index = arr.indexOf(1E5);
includes
const included = arr.includes(1E5);
find
const item = arr.find(item => item == 1E5);
findIndex
const index = arr.findIndex(item => item == 1E5);