instanceof vs in options (version: 1)

Comparing performance of: instanceof test vs in test vs instanceof test again vs proper type check vs includes check

Created: one year ago by: Guest
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Script Preparation code:
Tests:
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    instanceof test
    in test
    instanceof test again
    proper type check
    includes check

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: one year ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0
Firefox 138 on Windows
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in test
1553.3M/s
proper type check
1387.4M/s
instanceof test again
160.1M/s
instanceof test
157.5M/s
includes check
45.1M/s
View exact numbers
Test name Executions per second
✓ in test 1,553,290,624 Ops/sec
proper type check 1,387,363,968 Ops/sec
instanceof test again 160,112,240 Ops/sec
instanceof test 157,504,400 Ops/sec
includes check 45,093,188 Ops/sec

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