Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.113 Safari/537.36 Edg/81.0.416.58
Chrome 81
Windows
Desktop
4 years ago
Test name Executions per second
reduce + Array.prototype.concat 2460554.0 Ops/sec
Array.prototype.flat 526161.4 Ops/sec
Tests:
  • reduce + Array.prototype.concat

  • Array.prototype.flat