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Run results for:
Array.from() vs new Array() vs push
Testing the difference between creating filled arrays.
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=588854" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Safari/605.1.15
Browser:
Safari 18
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Benchmark engine:
Benchmark.js
new Array()
3.3M/s
Array.from()
1.9M/s
push
1.3M/s
View exact numbers
Test name
Executions per second
✓
new Array()
3,322,390 Ops/sec
Array.from()
1,887,449 Ops/sec
push
1,324,849 Ops/sec
Tests:
new Array()
new Array(500).fill(0, 0, 500)
Array.from()
Array.from({ length: 500 }, () => 0)
push
let array = []; for (let i = 0; i < 500; i++){ array.push(0) }