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Run results for:
Array loop vs foreach vs map fixed by bomi
Makes the benchmark actually measure the speed of for/foreach/map instead of slowing them down.
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<iframe src="https://measurethat.net/Embed?id=582537" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36
Browser:
Chrome 132
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
foreach
388K/s
for
246K/s
map
65K/s
View exact numbers
Test name
Executions per second
✓
foreach
388,455 Ops/sec
for
246,037 Ops/sec
map
64,603 Ops/sec
Script Preparation code:
var arr = []; for (var i = 0; i < 1000; i++) { arr[i] = i; }
Tests:
foreach
arr.forEach(function (item){ let result = item * 3 * 8 })
for
for (let i = 0; i < arr.length; i++) { let result = arr[i] * 3 * 8 }
map
arr.map(item => item * 3 * 8)