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Run results for:
Array.apply vs .from vs map vs loop
Compare the performance of various array creation methods.
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=626355" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36
Browser:
Chrome 145
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
5 months ago
Loop and assign
69.9M/s
Loop and push
60.0M/s
map
56.1M/s
Array.apply
15.5M/s
Array.from
3.6M/s
View exact numbers
Test name
Executions per second
✓
Loop and assign
69,931,736 Ops/sec
Loop and push
59,968,476 Ops/sec
map
56,058,112 Ops/sec
Array.apply
15,546,792 Ops/sec
Array.from
3,618,127 Ops/sec
Tests:
Array.apply
Array.apply(null, new Array(10)).map(() => false);
Array.from
Array.from({ length: 10}, () => false);
map
new Array(10).map(() => false);
Loop and assign
const r = []; for (let i = 0; i < 10; i++) r[i] = false;
Loop and push
const r = []; for (let i = 0; i < 10; i++) r.push(false);