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Run results for:
all variety of loops in js
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Embed Benchmark Result
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Browser:
Chrome 130
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
foreach
18K/s
for of
17K/s
map
16K/s
reduce
16K/s
filter
15K/s
for++
9K/s
for in
7K/s
View exact numbers
Test name
Executions per second
✓
foreach
17,681 Ops/sec
for of
16,863 Ops/sec
map
15,901 Ops/sec
reduce
15,704 Ops/sec
filter
15,347 Ops/sec
for++
8,719 Ops/sec
for in
6,879 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
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))
for of
for (var value of arr) { someFn(value); }
for in
for (var i in arr) { someFn(arr[i]); }
filter
arr.filter(item => someFn(item))
reduce
arr.reduce(item => someFn(item))