Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.109 Safari/537.36
Chrome 72
Linux
Desktop
5 years ago
Test name Executions per second
immutable with concat 3696979.5 Ops/sec
direct mutation with splice + spread 3375416.8 Ops/sec
Tests:
  • immutable with concat

  • direct mutation with splice + spread