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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/605.1.15 (KHTML, like Gecko) Version/14.0 Safari/605.1.15
Safari 14
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
typeof 3275991.8 Ops/sec
strict equal undefined 1715158.6 Ops/sec
equal null 3237216.0 Ops/sec
Tests:

  • typeof

  • strict equal undefined

  • equal null