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Run results for:
javascript loops v2
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Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=587558" 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/133.0.0.0 Safari/537.36
Browser:
Chrome 133
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
optimized-for
37K/s
for-of
37K/s
foreach
36K/s
for
36K/s
for-in
26K/s
View exact numbers
Test name
Executions per second
✓
optimized-for
36,895 Ops/sec
for-of
36,758 Ops/sec
foreach
36,115 Ops/sec
for
35,904 Ops/sec
for-in
26,230 Ops/sec
Tests:
foreach
const items = Array.from({length: 1000}, () => Math.floor(Math.random() * 40)); let index = 0; items.forEach(i => index += items[i]);
for-in
const items = Array.from({length: 1000}, () => Math.floor(Math.random() * 40)); let index = 0; for (let i in items) index += items[i];
for-of
const items = Array.from({length: 1000}, () => Math.floor(Math.random() * 40)); let index = 0; for (let i of items) index += i;
for
const items = Array.from({length: 1000}, () => Math.floor(Math.random() * 40)); let index = 0; for(let i = 0; i < items.length; ++i) index += items[i];
optimized-for
const items = Array.from({length: 1000}, () => Math.floor(Math.random() * 40)); let index = 0; let i = items.length; while (i--) index += items[i];