Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36
Chrome 133
Linux
Desktop
one year ago
Test name Executions per second
Object.defineProperty 32783.8 Ops/sec
Object.assign (immutable) 707.7 Ops/sec
Object.assign (mutable) 32660.3 Ops/sec
Object.defineProperty on Proxy 14974.2 Ops/sec
Property direct on Proxy 23051.9 Ops/sec
Direct Object Property 95152.6 Ops/sec
Object.defineProperty with getter and setter 23069.4 Ops/sec
Object.defineProperties (plural) with getter and setter 12436.7 Ops/sec
Object.defineProperty on Proxy with getter and setter 12724.6 Ops/sec
Object.assign on Proxy (mutable) 15105.5 Ops/sec
Script Preparation code:
Tests:
  • Object.defineProperty

  • Object.assign (immutable)

  • Object.assign (mutable)

  • Object.defineProperty on Proxy

  • Property direct on Proxy

  • Direct Object Property

  • Object.defineProperty with getter and setter

  • Object.defineProperties (plural) with getter and setter

  • Object.defineProperty on Proxy with getter and setter

  • Object.assign on Proxy (mutable)