Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36 Edg/85.0.564.44
Chrome 85
Windows
Desktop
4 years ago
Test name Executions per second
immutable with concat 2363819.5 Ops/sec
direct mutation with splice + spread 1931467.8 Ops/sec
Tests:
  • immutable with concat

  • direct mutation with splice + spread