Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Run results for:
for length vs for in
Go to the benchmark
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=534225" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:120.0) Gecko/20100101 Firefox/120.0
Browser:
Firefox 120
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
for length
29015.9 Ops/sec
for in
1228.8 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]); }