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Run results for: 'value === undefined' VS 'typeof value === "undefined"' when value is defined

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36
Chrome 91
Mac OS X 10.15.5
Desktop
3 years ago
Test name Executions per second
value === undefined 5820540.5 Ops/sec
typeof value === "undefined" 15844001.0 Ops/sec
Script Preparation code:
Tests:

  • value === undefined

  • typeof value === "undefined"

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