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Run results for:
some vs findIndex (Array prototype methods)-1e6
Measuring which is faster
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<iframe src="https://measurethat.net/Embed?id=526444" 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/17.5 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
Array.prototype.some
886.1 Ops/sec
Array.prototype.findIndex
1559.0 Ops/sec
Script Preparation code:
var arr = []; var i = 0; while (i <= 1E6) arr[i] = i++;
Tests:
Array.prototype.some
const rt = arr.some(item => item === 1E6-123);
Array.prototype.findIndex
const rt = arr.findIndex(item => item === 1E6-123);