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Run results for:
Array loop vs foreach vs map vs while vs some vs every vs filter vs find
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=585746" 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/128.0.0.0 Safari/537.36
Browser:
Chrome 128
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
foreach
95.8 Ops/sec
for
271.9 Ops/sec
map
52.8 Ops/sec
while
273.7 Ops/sec
some
52652616.0 Ops/sec
every
61193280.0 Ops/sec
filter
33.1 Ops/sec
find
52382500.0 Ops/sec
Script Preparation code:
var arr = []; for (var i = 0; i < 1000000; 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))
while
let i = 0, len = arr.length; while (i<len) { someFn(arr[i]); i++; }
some
arr.some(item => someFn(item))
every
arr.every(item => someFn(item))
filter
arr.filter(item => someFn(item))
find
arr.find(item => someFn(item))