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Run results for:
for vs forEach vs for-of vs for-reverse (short array summing)
for vs forEach vs for-of vs for-reverse
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=585905" 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 Edg/132.0.0.0
Browser:
Chrome 132
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
for-of
81.8M/s
forEach
60.3M/s
for-reverse
52.5M/s
for
42.4M/s
View exact numbers
Test name
Executions per second
✓
for-of
81,751,888 Ops/sec
forEach
60,335,220 Ops/sec
for-reverse
52,530,820 Ops/sec
for
42,409,064 Ops/sec
Script Preparation code:
var array = Array.from({length: 10}, (_, index) => index);
Tests:
for
var sum = 0 for (var i = 0; i < array.length; i++) { sum += array[i]; }
forEach
var sum = 0 array.forEach(function(item) { sum += item; });
for-of
var sum = 0 for (var item of array) { sum += item; }
for-reverse
var sum = 0 for (var i = array.length; i--;) { sum += array[i]; }