Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.122 Safari/537.36
Chrome 81
Mac OS X 10.13.6
Desktop
4 years ago
Test name Executions per second
Using the spread operator 18756454.0 Ops/sec
Using Object.assign 4830752.0 Ops/sec
Not merging 789856832.0 Ops/sec
Tests:
  • Using the spread operator

  • Using Object.assign

  • Not merging