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Run results for:
array.splice vs for loop for arrays
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=611132" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36
Browser:
Chrome 137
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
array.splice
344K/s
puhs in for loop
310K/s
array.splice w/o spread
284K/s
View exact numbers
Test name
Executions per second
✓
array.splice
344,217 Ops/sec
puhs in for loop
309,746 Ops/sec
array.splice w/o spread
284,026 Ops/sec
Script Preparation code:
s = []; for (var i=0; i < 1000; i++) s.push(i*i);
Tests:
array.splice
const a = []; a.splice(0, a.length, ...s);
puhs in for loop
const a = []; for (var x of s) a.push(x);
array.splice w/o spread
const a = []; a.splice.apply(a, [0, 0].concat(s));