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Run results for:
Array.from vs map
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=505866" 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/121.0.0.0 Safari/537.36
Browser:
Chrome 121
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Loop push
22.4M/s
Loop
5.0M/s
Map
4.6M/s
Array.from
937K/s
View exact numbers
Test name
Executions per second
✓
Loop push
22,368,976 Ops/sec
Loop
4,979,778 Ops/sec
Map
4,555,862 Ops/sec
Array.from
936,556 Ops/sec
Tests:
Array.from
Array.from({ length: 10 }, i => i)
Map
new Array(10).map(i => i);
Loop
const arr = new Array(10); for (let i = 0; i < 10; i++) arr[i] = i
Loop push
const arr = [] for (let i = 0; i < 10; i++) arr.push(i)