Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.80 Safari/537.36
Chrome 98
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
Using the spread operator 1915260.2 Ops/sec
Using Object.assign 5812902.5 Ops/sec
Using Object.assign no mutation 5006372.0 Ops/sec
Tests:
  • Using the spread operator

  • Using Object.assign

  • Using Object.assign no mutation