Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36
Chrome 102
Mac OS X 10.15.7
Desktop
2 years ago
Test name Executions per second
reduce + Array.prototype.concat 249102.0 Ops/sec
Array.prototype.flatMap 275300.9 Ops/sec
Script Preparation code:
Tests:
  • reduce + Array.prototype.concat

  • Array.prototype.flatMap