Benchmark: instanceof vs isPrototypeOf vs Symbol.hasInstance

Script Preparation code:

let p = isPrototypeOf.bind(Element.prototype)
let I = Element[Symbol.hasInstance].bind(Element)

Tests:

Rendered benchmark preparation results:

Previous results

Latest run results:

Run details: (Test run date: 11 months ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36

Browser/OS: Chrome 139 on Linux

isPrototypeOf

63.4M/s

Symbol.hasInstance

58.3M/s

instanceof

34.0M/s

View exact numbers

instanceof vs isPrototypeOf vs Symbol.hasInstance (version: 1)