Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36
Chrome 87
Windows
Desktop
4 years ago
Test name Executions per second
Using the spread operator 830645.4 Ops/sec
Using Object.assign 2677228.2 Ops/sec
Using Object.assign no mutation 2442674.5 Ops/sec
Tests:
  • Using the spread operator

  • Using Object.assign

  • Using Object.assign no mutation