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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/15.6.1 Safari/605.1.15
Safari 15
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
typeof 4142141.0 Ops/sec
strict equal undefined 2072332.1 Ops/sec
equal null 4101403.2 Ops/sec
Tests:

  • typeof

  • strict equal undefined

  • equal null