Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36
Chrome 86
Mac OS X 10.15.6
Desktop
4 years ago
Test name Executions per second
immutable with concat 5049584.5 Ops/sec
direct mutation with splice + spread 3883883.2 Ops/sec
Tests:
  • immutable with concat

  • direct mutation with splice + spread