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Run results for:
arr unshift vs push + reverse (size 50 array)
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<iframe src="https://measurethat.net/Embed?id=496609" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0
Browser:
Firefox 121
Operating system:
Windows
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
unshift
7420.3 Ops/sec
push + reverse
92.0 Ops/sec
Script Preparation code:
var arr = [];
Tests:
unshift
for (let i = 0; i < 50; i++){ arr.unshift(i); }
push + reverse
for (let i = 0; i < 50; i++){ arr.push(i); } arr.reverse();