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Run results for:
arr unshift vs push + reverse (small array)
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<iframe src="https://measurethat.net/Embed?id=503824" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:123.0) Gecko/20100101 Firefox/123.0
Browser:
Firefox 123
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
2 years ago
Test name
Executions per second
unshift
59653.8 Ops/sec
push + reverse
145.4 Ops/sec
Script Preparation code:
var arr = [10];
Tests:
unshift
for (let i = 0; i < 10; i++){ arr.unshift(i); }
push + reverse
for (let i = 0; i < 10; i++){ arr.push(i); } arr.reverse();