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 (X11; Ubuntu; Linux x86_64; rv:138.0) Gecko/20100101 Firefox/138.0
Firefox 138
Ubuntu
Desktop
one year ago
Test name Executions per second
Object.hasOwn 953996800.0 Ops/sec
in 958748864.0 Ops/sec
Script Preparation code:
Tests:

  • Object.hasOwn

  • in