Array isArray vs typeof vs array || [] (version: 1)

Comparing performance of: typeof vs isArray vs array || [] vs instanceOf

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

  • typeof

  • isArray

  • array || []

  • instanceOf

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    typeof
    isArray
    array || []
    instanceOf

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 2 months ago)
Mozilla/5.0 (X11; Linux x86_64; rv:147.0) Gecko/20100101 Firefox/147.0
Firefox 147 on Linux
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Test name Executions per second
typeof 341923968.0 Ops/sec
isArray 183571088.0 Ops/sec
array || [] 340283104.0 Ops/sec
instanceOf 161835680.0 Ops/sec
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