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Run results for:
for length vs for in
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=537560" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 17_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 17
Operating system:
iOS 17.6
Device Platform:
Mobile
Date tested:
one year ago
Test name
Executions per second
for length
8012.9 Ops/sec
for in
5717.1 Ops/sec
Script Preparation code:
var arr=Array(1000).fill('');var arrc=[];
Tests:
for length
for(let i=0;i<arr.length;i++){ arrc.push(arr[i]); }
for in
for(let i in arr){ arrc.push(arr[i]); }