Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36
Chrome 87
Mac OS X 10.15.7
Desktop
4 years ago
Test name Executions per second
with spread operator 758725.0 Ops/sec
with mutation 3177727.2 Ops/sec
with object assign 138765.6 Ops/sec
Tests:
  • with spread operator

  • with mutation

  • with object assign