Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36
Chrome 70
Mac OS X 10.13.6
Desktop
6 years ago
Test name Executions per second
Immutable reducer via spread operator 38139.0 Ops/sec
Mutable reducer via property assign 1942340.5 Ops/sec
Script Preparation code:
Tests:
  • Immutable reducer via spread operator

  • Mutable reducer via property assign