Run results for: (Fixed) Array.from length vs Array

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

Benchmark engine: Benchmark.js

Array.from length

21K/s

Array from sparse array

11K/s

View exact numbers

Test name	Executions per second
✓ Array.from length	21,411 Ops/sec
Array from sparse array	11,099 Ops/sec

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Tests:

Array.from length
Array.from({length: 10000}, (_, i)=>i)
Array from sparse array
Array.from(Array(10000), (_, i)=>i)