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Run results for:
Array.from() vs new Array()2
Testing the difference between creating filled arrays.
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:137.0) Gecko/20100101 Firefox/137.0
Browser:
Firefox 137
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
new Array()
1616.0M/s
Array.from()
759K/s
View exact numbers
Test name
Executions per second
✓
new Array()
1,616,001,792 Ops/sec
Array.from()
758,924 Ops/sec
Tests:
new Array()
new Array(500)
Array.from()
Array.from({ length: 500 })