Run details:
Mozilla/5.0 (X11; Linux x86_64; rv:74.0) Gecko/20100101 Firefox/74.0
Firefox 74
Linux
Desktop
4 years ago
Test name Executions per second
immutable with concat 1837305.4 Ops/sec
direct mutation with splice + spread 884030.9 Ops/sec
Tests:
  • immutable with concat

  • direct mutation with splice + spread