Run details:
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36
Chrome 65
Windows 7
Other
6 years ago
Test name Executions per second
Immutable reducer via spread operator 22968.1 Ops/sec
Mutable reducer via property assign 1296732.1 Ops/sec
Script Preparation code:
Tests:
  • Immutable reducer via spread operator

  • Mutable reducer via property assign