Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/118.0
Firefox 118
Windows
Desktop
one year ago
Test name Executions per second
Using the spread operator 5237168.5 Ops/sec
Using Object.assign 5358803.5 Ops/sec
Manually copying properties 25451718.0 Ops/sec
Create new object while copying 148198704.0 Ops/sec
Create new object from scratch 140060144.0 Ops/sec
Tests:
  • Using the spread operator

  • Using Object.assign

  • Manually copying properties

  • Create new object while copying

  • Create new object from scratch