Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0
Firefox 138
Windows
Desktop
one year ago
Test name Executions per second
Using the spread operator 7244029.0 Ops/sec
Using Object.assign 12969728.0 Ops/sec
Manually copying properties 39073144.0 Ops/sec
Create new object while copying 217348336.0 Ops/sec
Create new object from scratch 219107488.0 Ops/sec
Tests:
  • Using the spread operator

  • Using Object.assign

  • Manually copying properties

  • Create new object while copying

  • Create new object from scratch