Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36
Chrome 81
Windows
Desktop
4 years ago
Test name Executions per second
reduce + Array.prototype.concat 2187477.5 Ops/sec
Array.prototype.flat 505362.1 Ops/sec
Tests:
  • reduce + Array.prototype.concat

  • Array.prototype.flat