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Run results for:
Array loop vs foreach (static & index)
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=577211" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:133.0) Gecko/20100101 Firefox/133.0
Browser:
Firefox 133
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
foreach_static
121221.0 Ops/sec
for_static
1188782.6 Ops/sec
foreach_index
120196.6 Ops/sec
for_index
612025.4 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_static
arr.forEach(function (item){ someFn(3); })
for_static
for (var i = 0, len = arr.length; i < len; i++) { someFn(3); }
foreach_index
arr.forEach(function (item){ someFn(item); })
for_index
for (var i = 0, len = arr.length; i < len; i++) { someFn(arr[i]); }