Run details:
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.79 Safari/537.36 Maxthon/5.2.6.1000
Maxthon 5
Windows
Desktop
5 years ago
Test name Executions per second
immutable with concat 1753248.8 Ops/sec
direct mutation with splice + spread 1623296.6 Ops/sec
Tests:
  • immutable with concat

  • direct mutation with splice + spread