Run results for: Symbol in obj vs obj instanceof constructor 3

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 131

Operating system: Android

Device Platform: Mobile

Date tested: 8 days ago

Test name	Executions per second
Symbol in obj	61.1 Ops/sec
obj instanceof constructor	58.5 Ops/sec

Script Preparation code:

let Sym = Symbol("test")
class test {
  [Sym]
}
let obj = new test

Tests:

Symbol in obj
for (let i = 30000; --i;) {Sym in obj; Sym in []}
obj instanceof constructor
for (let i = 30000; --i;) {obj instanceof test; [] instanceof test}