Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.89 Safari/537.36
Chrome 84
Mac OS X 10.15.5
Desktop
4 years ago
Test name Executions per second
immutable with concat 6271290.0 Ops/sec
direct mutation with splice + spread 5041319.5 Ops/sec
Tests:
  • immutable with concat

  • direct mutation with splice + spread