Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36
Chrome 120
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
Object.defineProperties 14330.0 Ops/sec
Object spread 8346.4 Ops/sec
Object.assign (mutable) 40396.0 Ops/sec
Script Preparation code:
Tests:
  • Object.defineProperties

  • Object spread

  • Object.assign (mutable)