Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36
Chrome 89
Windows
Desktop
3 years ago
Test name Executions per second
reduce + Array.prototype.concat 3489309.5 Ops/sec
Array.prototype.flat 785171.2 Ops/sec
Tests:
  • reduce + Array.prototype.concat

  • Array.prototype.flat