Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/112.0
Firefox 112
Mac OS X 10.15
Desktop
one year ago
Test name Executions per second
Object.defineProperty 121613.4 Ops/sec
Object spread 13827.8 Ops/sec
Object.assign (mutable) 82867.5 Ops/sec
Script Preparation code:
Tests:
  • Object.defineProperty

  • Object spread

  • Object.assign (mutable)