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Run results for: typeof undefined vs undefined equality check vs double-equal

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0.3 Safari/605.1.15
Safari 14
Mac OS X 10.15.6
Desktop
3 years ago
Test name Executions per second
equality 2535959.0 Ops/sec
typeof 4680843.0 Ops/sec
double-equal 2483819.5 Ops/sec
Script Preparation code:
Tests:

  • equality

  • typeof

  • double-equal