Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_2_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36
Chrome 89
Mac OS X 11.2.3
Desktop
3 years ago
Test name Executions per second
immutable with concat 6415204.5 Ops/sec
direct mutation with splice + spread 6065210.0 Ops/sec
Tests:
  • immutable with concat

  • direct mutation with splice + spread