Run results for: weakmap vs object properties

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0

Browser: Firefox 134

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

object properties

94.8M/s

weakmap

523K/s

View exact numbers

Test name	Executions per second
✓ object properties	94,794,664 Ops/sec
weakmap	522,868 Ops/sec

Tests:

weakmap
const map = new WeakMap() const key = { aa:123 } const value = { bb:321 } map.set(key,value) map.get(key)
object properties
const key = { aa:123 } key._value = { bb:321 } void key._value