Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36
Chrome 83
Mac OS X 10.14.6
Desktop
4 years ago
Test name Executions per second
immutable with concat 6562414.0 Ops/sec
direct mutation with splice + spread 5601037.0 Ops/sec
Tests:
  • immutable with concat

  • direct mutation with splice + spread