Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36
Chrome 118
Windows
Desktop
one year ago
Test name Executions per second
Using the spread operator 29068012.0 Ops/sec
Using Object.assign 3138276.0 Ops/sec
Manually copying properties 756376640.0 Ops/sec
Create new object while copying 778921088.0 Ops/sec
Create new object from scratch 808614528.0 Ops/sec
Tests:
  • Using the spread operator

  • Using Object.assign

  • Manually copying properties

  • Create new object while copying

  • Create new object from scratch