Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36
Chrome 109
Windows
Desktop
one year ago
Test name Executions per second
Object.defineProperty 16345.0 Ops/sec
Object spread 3868.5 Ops/sec
Object.assign (mutable) 16318.4 Ops/sec
Script Preparation code:
Tests:
  • Object.defineProperty

  • Object spread

  • Object.assign (mutable)