Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36
Chrome 66
Mac OS X 10.13.4
Desktop
6 years ago
Test name Executions per second
Immutable reducer via spread operator 26324.3 Ops/sec
Mutable reducer via property assign 687319.9 Ops/sec
Script Preparation code:
Tests:
  • Immutable reducer via spread operator

  • Mutable reducer via property assign