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Run results for:
Array.filter VS Array.toSpliced for element deletion
Benchmark the performance of creating a new array with an element removed by using either Array.toSpliced or Array.filter
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=618641" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:143.0) Gecko/20100101 Firefox/143.0
Browser:
Firefox 143
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
6 months ago
Test name
Executions per second
Array.toSpliced
385709.4 Ops/sec
Array.filter
19275.7 Ops/sec
Script Preparation code:
const arr = Array.from({ length: 10_000 }).map((_, i) => i) const deleteIndex = Math.floor(Math.random() * arr.length)
Tests:
Array.toSpliced
const newArr = arr.toSpliced(deleteIndex, 1)
Array.filter
const newArr = arr.filter((_, i) => i != deleteIndex)