Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Chrome 123
Windows
Desktop
9 months ago
Test name Executions per second
Using the spread operator 25683104.0 Ops/sec
Using Object.assign 3675074.5 Ops/sec
Manually copying properties 73082928.0 Ops/sec
Create new object while copying 71894992.0 Ops/sec
Create new object from scratch 74516368.0 Ops/sec
Tests:
  • Using the spread operator

  • Using Object.assign

  • Manually copying properties

  • Create new object while copying

  • Create new object from scratch