isArray vs nullish coalesce + length check (version: 1)

Array.isArray vs array.length > 0

Comparing performance of: Array.isArray vs Check object.length

Created: one year ago by: Guest
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Script Preparation code:
Tests:

  • Array.isArray

  • Check object.length

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    Array.isArray
    Check object.length

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: one year ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3.1 Safari/605.1.15
Safari 18 on Mac OS X 10.15.7
View result in a separate tab
Test name Executions per second
Array.isArray 601194432.0 Ops/sec
Check object.length 132709568.0 Ops/sec
Related benchmarks: