Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:71.0) Gecko/20100101 Firefox/71.0
Firefox 71
Windows
Desktop
4 years ago
Test name Executions per second
immutable with concat 1429351.0 Ops/sec
direct mutation with splice + spread 627157.1 Ops/sec
Tests:
  • immutable with concat

  • direct mutation with splice + spread