Benchmark: set.has vs. object in

Script Preparation code:

var a = {1 : true, 4: true, 6: true, 9: true, 14: true};
var b = new Set(Object.keys(a));

Tests:

Rendered benchmark preparation results:

Previous results

Test case name	Result
in object
lookup

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Latest run results:

Run details: (Test run date: 6 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/115.0

Browser/OS: Firefox 115 on Mac OS X 10.15

Test name	Executions per second
in object	23890930.0 Ops/sec
lookup	23962370.0 Ops/sec

set.has vs. object in (version: 0)