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Run results for: hasOwnProperty vs index/undefined

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36
Chrome 63
Mac OS X 10.13.3
Other
2025 years ago
Test name Executions per second
hasOwnProperty successfully 9773050.0 Ops/sec
hasOwnProperty unsuccessfully 9711211.0 Ops/sec
index/undefined successfully 3475084.8 Ops/sec
index/undefined unsuccessfully 3506183.0 Ops/sec
Script Preparation code:
Tests:

  • hasOwnProperty successfully, first entry

  • hasOwnProperty unsuccessfully

  • index/undefined successfully, first entry

  • index/undefined unsuccessfully

  • hasOwnProperty successfully, last entry

  • index/undefined successfully, last entry

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