Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36 Edg/91.0.864.67
Chrome 91
Windows
Desktop
3 years ago
Test name Executions per second
Object.defineProperty 21075.9 Ops/sec
Object.assign (immutable) 703.4 Ops/sec
Object.assign (mutable) 20782.8 Ops/sec
Script Preparation code:
Tests:
  • Object.defineProperty

  • Object.assign (immutable)

  • Object.assign (mutable)