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Run results for:
for vs foreach vs some vs every vs for..of vs map
Compare loop performance
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=616867" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:143.0) Gecko/20100101 Firefox/143.0
Browser:
Firefox 143
Operating system:
Linux
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
for
17.6M/s
some
11.6M/s
every
11.3M/s
map
8.2M/s
foreach
6.2M/s
for..of
1.5M/s
View exact numbers
Test name
Executions per second
✓
for
17,636,706 Ops/sec
some
11,578,376 Ops/sec
every
11,276,308 Ops/sec
map
8,158,356 Ops/sec
foreach
6,197,022 Ops/sec
for..of
1,474,395 Ops/sec
Script Preparation code:
var array = new Array(100);
Tests:
for
for (var i = 0; i < array.length; i++) { array[i]; }
foreach
array.forEach(function(i) { array[i]; });
some
array.some(function(i) { array[i]; });
every
array.every(function(i) { array[i]; });
for..of
for (var i of array) { array[i]; }
map
array.map(a => a);