Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36 Edg/92.0.902.84
Chrome 92
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
Using the spread operator 1645727.9 Ops/sec
Using Object.assign 4885889.0 Ops/sec
Using Object.assign no mutation 4622471.5 Ops/sec
Tests:
  • Using the spread operator

  • Using Object.assign

  • Using Object.assign no mutation