Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 11_2_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36
Chrome 88
Mac OS X 11.2.1
Desktop
3 years ago
Test name Executions per second
immutable with concat 5781418.0 Ops/sec
direct mutation with splice + spread 5538812.0 Ops/sec
Tests:
  • immutable with concat

  • direct mutation with splice + spread