Run details:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:92.0) Gecko/20100101 Firefox/92.0
Firefox 92
Ubuntu
Desktop
3 years ago
Test name Executions per second
Object.defineProperty 2283.6 Ops/sec
Object.assign (immutable) 7.9 Ops/sec
Object.assign (mutable) 1087.4 Ops/sec
Direct assign 1836.8 Ops/sec
Script Preparation code:
Tests:
  • Object.defineProperty

  • Object.assign (immutable)

  • Object.assign (mutable)

  • Direct assign