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Run results for: typeof undefined vs strict equal vs equal

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36 Edg/89.0.774.45
Chrome 89
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
typeof 5069140.0 Ops/sec
strict equal undefined 2643542.5 Ops/sec
equal null 5120838.5 Ops/sec
Tests:

  • typeof

  • strict equal undefined

  • equal null