Run results for: Object.hasOwn vs 'in' performance v2

comparing Object.hasOwn(obj, "foo") with "foo" in obj

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Safari/537.36 Edg/143.0.0.0
Chrome 143
Windows
Desktop
3 months ago
Test name Executions per second
Object.hasOwn 82586784.0 Ops/sec
in 156282096.0 Ops/sec
Script Preparation code:
Tests:

  • Object.hasOwn

  • in