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Run results for:
find vs findIndex vs filter
Measuring which is faster
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<iframe src="https://measurethat.net/Embed?id=619958" 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/26.0.1 Safari/605.1.15
Browser:
Safari 26
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
9 months ago
Array.prototype.find
16K/s
Array.prototype.findIndex
16K/s
filter
13K/s
View exact numbers
Test name
Executions per second
✓
Array.prototype.find
15,943 Ops/sec
Array.prototype.findIndex
15,901 Ops/sec
filter
12,564 Ops/sec
Script Preparation code:
var arr = []; var i = 0; while (i <= 1E5) arr[i] = i++;
Tests:
Array.prototype.find
const item = arr.find(item => item == 1E5);
Array.prototype.findIndex
const index = arr.findIndex(item => item == 1E5);
filter
const item = arr.filter(item => item == 1E5);