Run details:
Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0
Firefox 91
Windows
Desktop
2 years ago
Test name Executions per second
Object.defineProperty 68454.6 Ops/sec
Object.assign (immutable) 9571.6 Ops/sec
Object.assign (mutable) 42139.8 Ops/sec
Script Preparation code:
Tests:
  • Object.defineProperty

  • Object.assign (immutable)

  • Object.assign (mutable)