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Run results for:
for vs while vs for of vs forEach
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=536848" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 17_5_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.5 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 17
Operating system:
iOS 17.5.1
Device Platform:
Mobile
Date tested:
one year ago
Test name
Executions per second
for i++
13549.4 Ops/sec
for i--
35784.7 Ops/sec
while i--
33945.3 Ops/sec
for of
639173.1 Ops/sec
forEach
934750.9 Ops/sec
Script Preparation code:
var arr = [] for (var i = 0; i < 1000; i++) arr[i] = i
Tests:
for i++
for (var i = 0; i < arr.length; i++) { var a = arr[i] }
for i--
for (var i = arr.length; i >= 0; i--) { var a = arr[i] }
while i--
var i = arr.length while (i--) { var a = arr[i] }
for of
for (var v of arr) { var a = v }
forEach
arr.forEach(v => { var a = v })