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Run results for:
Array.from() vs new Array() with index
Testing the difference between creating filled arrays.
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<iframe src="https://measurethat.net/Embed?id=524756" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36
Browser:
Chrome 117
Operating system:
Linux
Device Platform:
Desktop
Date tested:
2 years ago
new Array()
1.2M/s
Array.from()
44K/s
View exact numbers
Test name
Executions per second
✓
new Array()
1,187,171 Ops/sec
Array.from()
43,774 Ops/sec
Tests:
new Array()
new Array(500).map((_, index) => index)
Array.from()
Array.from({ length: 500 }, (_, index) => index)