Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.2 Safari/605.1.15
Safari 13
Mac OS X 10.13.6
Desktop
3 years ago
Test name Executions per second
Using the spread operator 859205.2 Ops/sec
Using Object.assign 1401869.2 Ops/sec
Babel 366473.9 Ops/sec
Script Preparation code:
Tests:
  • Using the spread operator

  • Using Object.assign

  • Babel