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Run results for:
Array.from vs map 1
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=574149" 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/126.0.0.0 Safari/537.36
Browser:
Chrome 126
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Loop
33/s
Map
22/s
Loop push
13/s
Array.from
3/s
View exact numbers
Test name
Executions per second
✓
Loop
33 Ops/sec
Map
22 Ops/sec
Loop push
13 Ops/sec
Array.from
3 Ops/sec
Script Preparation code:
const LEN = 1e7;
Tests:
Array.from
Array.from({ length: LEN }, i => i)
Map
new Array(LEN).map(i => i);
Loop
const arr = new Array(LEN); for (let i = 0; i < LEN; i++) arr[i] = i
Loop push
const arr = [] for (let i = 0; i < LEN; i++) arr.push(i)