Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.102 Safari/537.36 OPR/90.0.4480.84
Opera 90
Windows
Desktop
2 years ago
Test name Executions per second
Using the spread operator 47799836.0 Ops/sec
Using Object.assign 3681914.5 Ops/sec
Manually copying properties 1040378880.0 Ops/sec
Create new object while copying 1044471168.0 Ops/sec
Create new object from scratch 1045413696.0 Ops/sec
Tests:
  • Using the spread operator

  • Using Object.assign

  • Manually copying properties

  • Create new object while copying

  • Create new object from scratch