Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36
Chrome 70
Linux
Desktop
5 years ago
Test name Executions per second
with spread operator 244725.0 Ops/sec
with mutation 1352694.0 Ops/sec
with object assign 59551.5 Ops/sec
Tests:
  • with spread operator

  • with mutation

  • with object assign