Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.3 Safari/605.1.15
Safari 16
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
Using the spread operator 9778538.0 Ops/sec
Using Object.assign 7299354.5 Ops/sec
Manually copying properties 223387792.0 Ops/sec
Create new object while copying 224157264.0 Ops/sec
Create new object from scratch 494972640.0 Ops/sec
Tests:
  • Using the spread operator

  • Using Object.assign

  • Manually copying properties

  • Create new object while copying

  • Create new object from scratch