Benchmark: instanceof vs constructor.name vs field

Script Preparation code:

var A = class A {
	_className = 'A'
}

var a = new A()

Tests:

Rendered benchmark preparation results:

Previous results

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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_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser/OS: Chrome 120 on Mac OS X 10.15.7

instanceof vs constructor.name vs field (version: 0)