Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36
Chrome 115
Windows
Desktop
one year ago
Test name Executions per second
Using the spread operator 27384438.0 Ops/sec
Using Object.assign 3223567.5 Ops/sec
Manually copying properties 763803392.0 Ops/sec
Create new object while copying 747769920.0 Ops/sec
Create new object from scratch 749314688.0 Ops/sec
Tests:
  • Using the spread operator

  • Using Object.assign

  • Manually copying properties

  • Create new object while copying

  • Create new object from scratch