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Run results for:
Array loop vs foreach vs map vs for --
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=620062" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36
Browser:
Chrome 141
Operating system:
Linux
Device Platform:
Desktop
Date tested:
6 months ago
Test name
Executions per second
foreach
980194.7 Ops/sec
for
243922.0 Ops/sec
map
175887.8 Ops/sec
for --
245316.5 Ops/sec
Script Preparation code:
var arr = []; for (var i = 0; i < 1000; i++) { arr[i] = i; } function someFn(i) { return i * 3 * 8; }
Tests:
foreach
arr.forEach(function (item){ someFn(item); })
for
for (var i = 0, len = arr.length; i < len; i++) { someFn(arr[i]); }
map
arr.map(item => someFn(item))
for --
for (var len = arr.length - 1; len >= 0; len--) { someFn(arr[len]); }