Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36
Chrome 83
Windows
Desktop
4 years ago
Test name Executions per second
immutable with concat 4574300.5 Ops/sec
direct mutation with splice + spread 5119182.0 Ops/sec
Tests:
  • immutable with concat

  • direct mutation with splice + spread