Run details:
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36
Chrome 79
Windows 7
Desktop
4 years ago
Test name Executions per second
reduce + Array.prototype.concat 2329849.5 Ops/sec
Array.prototype.flat 615500.7 Ops/sec
Tests:
  • reduce + Array.prototype.concat

  • Array.prototype.flat