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Run results for:
.unshift() vs .push() + .reverse()23456
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=614761" 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 OPR/122.0.0.0 (Edition developer)
Browser:
Opera 122
Operating system:
Windows
Device Platform:
Desktop
Date tested:
10 months ago
Test name
Executions per second
.unshift()
1739960.5 Ops/sec
.push() + reverse()
15606490.0 Ops/sec
Script Preparation code:
window.ELE_PER_CYCLE = 12;
Tests:
.unshift()
const reps = window.ELE_PER_CYCLE; const arr = []; for (let i = 0; i < reps; ++i) { arr.unshift(i); }
.push() + reverse()
const reps = window.ELE_PER_CYCLE; const arr = []; for (let i = 0; i < reps; ++i) { arr.push(i); } arr.reverse();