Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.77 Safari/537.36
Chrome 91
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
with spread operator 670354.5 Ops/sec
with mutation 2816877.0 Ops/sec
with object assign 142586.3 Ops/sec
Tests:
  • with spread operator

  • with mutation

  • with object assign