Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.80 Safari/537.36
Chrome 86
Mac OS X 10.15.7
Desktop
4 years ago
Test name Executions per second
immutable with concat 4989334.0 Ops/sec
direct mutation with splice + spread 3695447.5 Ops/sec
Tests:
  • immutable with concat

  • direct mutation with splice + spread