Run details:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:76.0) Gecko/20100101 Firefox/76.0
Firefox 76
Ubuntu
Desktop
4 years ago
Test name Executions per second
immutable with concat 1067315.1 Ops/sec
direct mutation with splice + spread 492676.7 Ops/sec
Tests:
  • immutable with concat

  • direct mutation with splice + spread