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Run results for:
for vs foreach vs for..of vs for..of over entries
Compare loop performance
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=531109" 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:
2 years ago
foreach
304K/s
for..of
303K/s
for..of over entries
224K/s
for
138K/s
View exact numbers
Test name
Executions per second
✓
foreach
303,849 Ops/sec
for..of
302,764 Ops/sec
for..of over entries
224,055 Ops/sec
for
137,971 Ops/sec
Script Preparation code:
var array = Array.from({length: 100}); var t;
Tests:
for
for (let i = 0; i < array.length; i++) { t = array[i]; }
foreach
array.forEach(function(v, i) { t = v; });
for..of
for (var v of array) { t = v; }
for..of over entries
for (var [i, v] of array.entries()) { t = v; }