Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.79 Safari/537.36
Chrome 91
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
with spread operator 469759.6 Ops/sec
with mutation 1942656.8 Ops/sec
with object assign 76523.1 Ops/sec
Tests:
  • with spread operator

  • with mutation

  • with object assign